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J vanitha Kumari
Oct 02, 2023
In Ask Questions
To troubleshoot: • Check the source data to ensure that the expected values are present. • Inspect any filters applied to the matrix or the report/page. • Examine any DAX formulas or custom expressions used in the matrix. • Play around with the formatting options to see if it's a visual display issue. • Check interactions with other visuals on the report. • Validate the relationships in the data model. If you provide more specific details about the matrix configuration, DAX formulas used, or other relevant settings, I might be able to offer more targeted advice.
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J vanitha Kumari
Oct 02, 2023
In Ask Questions
here are some sample questions tailored to Atlassian Cloud tools: 1. User Management: • How can you provision users in Atlassian Access? a) Manually, one by one b) Synchronization with Active Directory c) CSV import d) Both b and c 3. Integration: • Which tool is primarily used for issue and project tracking in the Atlassian suite? a) Confluence b) Bitbucket c) Jira d) Trello 5. Security: • In Atlassian Access, what feature allows you to enforce two-step verification for users? a) SSO (Single Sign-On) b) Password Policies c) SCIM (System for Cross-domain Identity Management) d) Enhanced Security Features 7. Configuration: • Which Atlassian tool is primarily used for documentation and collaboration? a) Jira Service Management b) Confluence c) Bitbucket d) Opsgenie 9. Billing and Licensing: • How are users typically billed in Atlassian Cloud products? a) Per active user b) Flat monthly fee c) Per project d) Per available feature 11. Migration: • When migrating from a server instance of Jira to the cloud, which of the following is a crucial consideration? a) Ensuring plugins are cloud-compatible b) Migrating all historical logs c) Changing all user passwords d) Redesigning all dashboards 13. Audit and Compliance: • In Atlassian Cloud, where can an admin view changes made to user groups, permissions, and product configurations? a) Project Settings b) User Directory c) Audit Log d) System Dashboard 15. Troubleshooting: • A user reports they can't access Confluence. What is the FIRST step you should take as an admin? a) Check the user's browser compatibility b) Verify the user's permissions in User Management c) Restart the Confluence service d) Send a support ticket to Atlassian
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J vanitha Kumari
Aug 18, 2023
In Questions & Answers
Question: What is the chemical symbol for the element oxygen? Answer: O Question: What is the process by which plants convert light energy into chemical energy to produce food? Answer: Photosynthesis Question: What is the smallest unit of matter? Answer: Atom Question: What is the force that opposes the motion of objects through a fluid (liquid or gas)? Answer: Friction Question: What is the process by which water vapor turns into liquid water? Answer: Condensation Question: Which gas is most abundant in Earth's atmosphere? Answer: Nitrogen Question: What is the study of the Earth's physical structure, processes, and history? Answer: Geology Question: What is the process by which a solid changes directly into a gas without passing through the liquid state? Answer: Sublimation Question: What is the SI unit of electric current? Answer: Ampere (A) Question: What is the study of celestial bodies such as stars, planets, galaxies, and black holes? Answer: Astronomy Question: What is the process by which an organism produces offspring that are genetically identical to itself? Answer: Asexual reproduction Question: What is the process by which an electric current passes through a liquid, causing chemical reactions and the separation of materials? Answer: Electrolysis Question: What is the force that attracts any two masses toward each other? Answer: Gravity Question: What is the unit of measure for frequency? Answer: Hertz (Hz) Question: What is the chemical process that releases energy from food in the presence of oxygen? Answer: Cellular respiration Question: What is the outermost layer of the Earth called? Answer: Crust Question: What is the process by which a liquid changes into a gas at temperatures below its boiling point? Answer: Evaporation Question: What is the unit of measure for sound intensity? Answer: Decibel (dB) Question: What is the study of the Earth's atmosphere, weather, and climate? Answer: Meteorology Question: What is the part of a cell that controls its activities and contains genetic information? Answer: Nucleus Question: What is the process by which a gas changes into a liquid? Answer: Condensation Question: What is the force that opposes the motion of one surface past another? Answer: Friction Question: What is the unit of measure for electric resistance? Answer: Ohm Question: What is the process by which plants release water vapor into the atmosphere? Answer: Transpiration Question: What is the study of living organisms and their interactions with each other and their environment? Answer: Ecology Question: What is the phenomenon where light bends when passing from one medium to another at an angle? Answer: Refraction Question: What is the SI unit of energy? Answer: Joule Question: What is the densest planet in our solar system? Answer: Earth Question: What is the smallest bone in the human body? Answer: Stapes (in the middle ear) Question: What is the process by which a gas changes directly into a solid without passing through the liquid state? Answer: Deposition
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J vanitha Kumari
Aug 01, 2023
In Questions & Answers
What is RLS? How many types are there? Answer: RLS stands for Row-Level Security. It is used to control access to data at a row level based on user roles and permissions. There are two types of RLS: Role-Based and User-Based.   What is incremental refresh, and what are the two parameters used in incremental refresh? Answer: Incremental refresh is a feature in Power BI that allows you to refresh only a portion of your data to improve performance. The two parameters used in incremental refresh are "RangeStart" and "RangeEnd," which define the time period for the refresh.   Difference between SUM and SUMX: Answer: SUM is an aggregation function used to calculate the total of a column in a table. SUMX is an iterator function that calculates the sum of an expression over a table, considering row context.   How many types of licenses are available? Answer: There are mainly two types of licenses in Power BI: Power BI Pro and Power BI Premium.   Difference between Pro user & Premium user: Answer: A Pro user has access to Power BI service with individual licenses, while a Premium user accesses Power BI service through capacity-based licensing, enabling the sharing of reports and dashboards with free users.   What are Gateways, and how many types of gateways are there? Answer: Gateways are used to connect on-premises data sources to Power BI service. There are two types of gateways: Power BI On-premises data gateway and Power BI Personal gateway.   What is Power BI service? Answer: Power BI service is a cloud-based platform where you can publish, share, and collaborate on Power BI reports and dashboards.   Difference between calculated column and Measure: Answer: A calculated column is a column created in a table with a DAX formula that is evaluated row-by-row and stored in the table. A measure is a calculation that works with aggregated data and provides results based on user interactions.   What are the roles in the workspace (Admin, Member, Viewer, and Contributor)? Answer: In a Power BI workspace, there are four roles: Admin: Full control over the workspace, including managing access and settings. Member: Can edit and publish content within the workspace. Viewer: Can view content within the workspace but cannot make changes. Contributor: Can contribute content to the workspace but has limited administrative rights.
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J vanitha Kumari
Jul 22, 2023
In Tech Talk
Interviewer Hi, Shivika.   candidate Hello.   Interviewer Yeah, Hi. So how much relevant experience do you have in Power BI?   candidate So I have around 3.5 years experience.   Interviewer OK. And how much will you rate yourself out of 10?   candidate So rate myself 8 out of 10 in Power BI.   Interviewer OK, fine. OK, let's start with the first question. So suppose you are in Power Query Editor. So if we have two or more queries that you want to append, So what should be the like? What should be the minimal condition to append those two queries?   candidate OK, so I have two queries you need to append right? OK so I think so you can just append it. The one thing that should be there is they should have same number of columns and if they don't have same number of columns I think that there will be a problem that you'll have you know? If there are extra columns in either of them, the other table will show nulls. Yeah, I think so. Yeah, that's that's the only thing that's required.   Interviewer OK, so only the number of columns should be same. And what about their data types if the data types do not?   candidate Yeah, yeah yeah no, no no. Their data type should also be the same. So you know the number of columns should be same, the name should be same and the data type should be same. So if there's some extra columns you know in either of them or if the data type or name is different. Then you know they'll consider it as a new, new column. So you're not. They'll take nulls. So, like, these are the three basic things that you do that we have taken. Take care.   Interviewer OK. And have you heard about query folding?   candidate Yeah, so query folding is something you know. What happens is if you're using some database as a source. I know SQL as as like for SQL I'm sure of. You know if you there are some transformations that can be done in the SQL side it will be faster because you know SQL is made for that. For the tram those things maybe somewhere clause or some you know some columns some some things. So query folding happens in Power BI, you know it automatically happens. In Power BI, if you have SQL as the source and if you've written your query in such a manner that you know if you've used native query, most of the times the query folding happens. So this is, you know, optimization technique that we can use so that you know the processing would be faster. Something like that, yeah.   Interviewer OK, fine, OK, suppose can you open your chat section? I'm sending something and you have to answer accordingly. OK. So OK, suppose you have a column which contains values like this which I'm sending 0114. OK, something like this you have in all the rows. OK, OK, so as you can see this is a kind of a date, right? Yeah, but you have a column which contains these these, these kinds of records and the data. The data type of that column is number. OK as as they are representing numbers. No if I if I want to convert it to date how will you do that thing?   candidate Maybe, you know I have never done this, but what we can do is we can go and we can change the data type to date and then once we go you know once we change the data type it is also an option that what kind of data type that you want. So if you maybe you can check it from there that if it is present maybe I think it's written 2022, zero, 114th I think so it's 14th January. 2020 yeah, so we can you know check it there that you know our data is present in this manner that you know first year is present, then month is present and then date is present. There's an option that you know there's an option for this that you know if you want your date to be this in this particular manner you can just check that so it will automatically take OK, this is your year, the first thing is taken as your the 1st 4 digits, the next two digits are taken as month month and then last two digits are taken as the date. So yeah, this.   Interviewer Is so you are saying so you are saying. If we are going to directly change its data type from number to date, it will work right As for you.   candidate Yeah, we have to change and we also have to go to the date. You know, once change it, there's an option of, you know, checking what that kind of date is. You know date we are using it's MMDD format or it's your month, your your, your date like that format. So you have to change, you have to check that as well then I think so it can be done. This is what you are, yeah.   Interviewer So Shavika, suppose you have a column which contains record something like this which I'm sending right now on your chat section. Suppose something like this is written Rupees 1000. Just a second, I'm sending you OK Rupees 1000 something like this five $5000 OK. Something like this, it is written and you have a column like this. Now if I want to take out number of number from this column and create a new column where I will only have the numbers instead of rupees and dollar then how will I create this in power query editor. OK so something like this you have different currencies written with their numerical part something like this that you're that you're seeing on the screen. So how will you take out the number from this column?   candidate Yeah, like if I think so, if you know, if the currency symbol was present only at one place, I could have or and it was only one currency, you know, I could have used a custom way to split the columns, you know, using a custom delimiter. But can you give me a minute please? I'm just thinking, is that fine? Yeah.   Interviewer Yeah, sure.   candidate OK, we can. OK, and we have to do it in Power Query only, correct?   Interviewer Yeah.
Power Bi interview 3.5 years experience. content media
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J vanitha Kumari
Jul 22, 2023
In Tech Talk
1. Explain how Scripts are run in Groovy? Scripts in Groovy are executed in the Java Virtual Machine (JVM) environment. You write the Groovy script, optionally compile it for performance, and then run it using the "groovy" command-line tool or within a Java application. The JVM interprets the Groovy code, allowing seamless integration with Java classes and libraries. 2. Explain what is Groovy? Groovy is a dynamic and object-oriented scripting language designed to run on the Java Virtual Machine (JVM). It fully integrates with Java, offering dynamic typing, closures, and support for Domain-Specific Languages (DSLs). Groovy enables seamless interoperability with Java code, making it productive and expressive for developers while leveraging Java's extensive ecosystem. 3. Explain What Is Expandometaclass In Groovy? Ans: ExpandoMetaClass is used to add methods, properties, static methods and constructors. Expandoclass does not inherited by default; you have to call ExpandoMetaClass.enable globally() 4. Explore the steps to create a Clone Issue? Ans: Open the JIRA issue that wants to be cloned. Select More > Clone. Also can edit the Summary of the clone issue, if required. In case, the issue contains links to another issue (s): Select > In new clone issue as if or not to include the links. In case, the issue contains sub-tasks: Select > In new clone issue as if or not to create the sub-tasks. In case, the issue contains attachments: Select > In new clone issue as if or not to include the attachments. Click on the Create button. 5. What is Closure in Groovy? In Groovy, a Closure is a block of code that can be assigned to a variable or passed as an argument to methods. It provides powerful functional programming capabilities and helps create concise and expressive code. 6. How a service desk works in JIRA Your client presents a demand for your service agents through an entryway or by means of email. A service desk sees the demand in their Jira Service Desk line and investigates the issue. Your client and different members utilize the entry or email to talk about the demand with your service desk agent, who works in the Jira Service Desk. Your specialist finishes the demand and your client is fulfilled! 7. Explain the various stages of a defect in Jira/Qtest in your project? The stages of a defect are: New/Open, Assigned, In Progress, Fixed/Resolved, Ready for Testing, Retest, Closed, Reopen (if needed), and Rejected (if applicable). 8. Explore the steps to create a Clone Issue? To create a Clone Issue in Jira, open the issue, click "More," select "Clone," configure the details, choose the destination project and issue type, and click "Create." 9. What is the purpose of the JIRA dashboard? The Jira dashboard provides users with a personalized and centralized view of project information, real-time insights, customization options, quick navigation, transparency, and monitoring key performance indicators (KPIs). 10. Explain Cloning an Issue in JIRA? Cloning, or copying, an issue that allows you to rapidly making a copy of an issue inside a similar project. The clone issue is a mirror image of the original issue, containing similar data put away in the original issue — e.g. Summary, Affects Versions, Components, and so on. The clone issue can likewise be connected to the original issue. A clone issue is a different element from the original issue. Tasks on the first issue have no impact on the clone issue and the other way around. The main connection is a link – if made – between the original issue and the clone issue. Cloning an Issue retains: Summary Description Assignee Environment Reporter Components Affects Versions Fix For Versions Priority Issue Type Security Attachments Issue Links Project Here are the issues that are cannot be cloned: Time tracking Issue history Comments and Links to Confluence pages 11.Mention one similarity and one difference between JIRA Scrum and JIRA Kanban. Similarity: Both JIRA Scrum and Kanban is considered as the most powerful process tool for optimization of work and the processes as both processes focus is on continuous optimization and visualizing the workflow. In these cases, large and the complex tasks are broken down and each individual tasks are worked on and completed efficiently. Difference: Scrum board is the work mode where progress of sprints and tracking of its work is done. Here the team determines the list of issues that has become backlog and then these issues are moved to sprints as per team plan. In the case of the Kanban board, the work in progress activities is being maintained and their process flow is tracked. Here the team decides the increase and decrease of the number of issues that is to be displayed in each status of the workflow. 12.What are burndown and burn-up charts in agile methodology? Burndown Chart: Tracks remaining work over time in a sprint. Burn-up Chart: Displays completed work over time in a sprint. 13.What are the major Agile components? User Stories: Descriptions of desired functionality. Sprints/Iterations: Fixed timeframes for development. Daily Stand-up Meetings: Short daily progress updates. Sprint Planning: Defining work for each sprint. Sprint Review: Demo and feedback at sprint end. Sprint Retrospective: Team improvement discussion. Product Backlog: Prioritized list of requirements. Agile Board: Visual representation of work flow. 14.Mention the challenges involved in developing Agile Software? Changing Requirements: Adapting to evolving needs. Short Iterations: Pressure to deliver quickly. Distributed Teams: Communication challenges. Lack of Experience: Difficulty in adopting Agile. Stakeholder Involvement: Engaging stakeholders. Scaling Agile: Adapting Agile to larger projects. Technical Debt: Balancing speed with quality. Balancing Individual and Team Goals: Collaboration vs. individual goals. 15.handle conflicts within an Agile team, especially when team members have different opinions Active Listening: Encourage attentive listening. Facilitated Discussions: Mediated discussions. Consensus Building: Aim for agreement. Emphasize Team Goals: Focus on project success. Respect Diversity: Value diverse viewpoints. Mediation: Use neutral third party if needed. Set Clear Expectations: Establish conflict resolution norms. Continuous Improvement: Improve team dynamics through retrospectives.
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J vanitha Kumari
Jul 21, 2023
In Tech Talk
Interviewer: Good afternoon. Candidate: Hello, Sir, very good afternoon. Interviewer: Yes, that's another thing and frankly speaking, I forgot about our call, but thanks for reminding me because I'm working on, I was doing multiple things. Candidate: OK, OK, no problem Sir. Interviewer: Uh, let me just pull up your profile. Could you please give me a brief overview of where you are currently working and what your day-to-day activities entail? Additionally, could you share information about the size of your team? Are you an individual contributor, or do you have specific responsibilities assigned to you? I'm interested in learning more about the work you are currently engaged in. Candidate: Thank you for asking about my company and my day-to-day activities. I am currently working at CSM Technology, a highly reputed IT organization in Odisha. We handle approximately 85% of the IT work for the Odisha Government. While it is a private company, our work is closely aligned with the government's requirements. As a Power Bi Developer, my primary focus is on data analysis. My daily activities involve understanding our clients' problems and finding solutions through data analysis or creating dashboards. To achieve this, we collect data from various sources, which often requires cleaning as the data may not always be in a pristine format. Once the data is clean, we load it into the Power BI environment and establish relationships between different tables. This allows us to identify suitable key performance indicators (KPIs) and create various charts and visualizations to analyze the data further. After analyzing the data and crafting meaningful insights, we create reports and publish them to our server. Finally, we share these reports or dashboards with our clients to provide them with valuable insights. In our team, we have a total of 14 members, including myself. It's a relatively small team, which means we collaborate closely and are involved in the entire process, from data collection to report sharing. Apart from Power BI, we also use other tools like Tableau and SSAS for data analysis. I have experience working with all three tools, allowing me to leverage the best-suited tool for specific analytical requirements. Interviewer: It says that, OK, so SASS, you're using SASS, you're using Tableau, you're using power BI, right? Candidate: Yes, Sir. Interviewer: And what about your experience with SQL and Ms. Excel? Candidate: When I joined CSM Technology, my role was that of a Database Engineer. So, I have extensive experience working with Microsoft SQL Server and SQL Azure. I can confidently say that I am proficient in SQL 11 and have utilized it in various projects. As for Ms. Excel, we do use it in our analysis, but I must admit that I don't have extensive experience with it. I am familiar with the basics of Ms. Excel, which are essential for data analysis, but I haven't delved into the advanced features yet. However, I am always open to learning and enhancing my skills further in both SQL and Ms. Excel as needed for my role. Interviewer: Okay, but what do you know about Excel? Do you have experience with functions like VLOOKUP, IF, and COUNTIF in Excel? Have you worked with these functions before? Candidate: Yes, sir. I have experience with Excel functions. I am familiar with VLOOKUP, IF, and COUNTIF functions, and I have used them in various projects. Interviewer: Great! How many projects have you completed using Power BI? Candidate: I have completed a total of three projects using Power BI. These projects involved creating office dashboards, a quantified dashboard, an IGMS dashboard for a mining project, and a dashboard to represent passport data. Interviewer: Could you please tell me about the nature of the data you have worked with? What kind of data are you dealing with? Is it financial data, healthcare data, HR data, or something else? Candidate: The nature of the data that I have worked on includes mining data, HR data, financial data, and citizenship data. Interviewer: Excellent. Now, let's discuss DAX functions. Which DAX functions have you used in your projects? Candidate: In my projects, I have used several DAX functions, such as AVERAGE, COUNT, MAX, MIN, SUM, TOPN, ADDCOLUMNS, EXCEPT, GROUPBY, UNION, UPPER, LOWER, and REPLACE, along with various time intelligence functions like DAY, MONTH, YEAR. Interviewer: Okay, let's consider a scenario where I have a chart showing the count of OC citizens on a monthly basis. For example, in January, the count is 100, and in February, the count is 200. However, when I view the bar chart, the months appear shuffled, like January, March, October, and November. I want them to be in proper order, like January, February, March, and so on. How can I arrange the months correctly in the chart? Candidate: To achieve the desired order, we can use the "Sort by Column" feature. First, go to the "Data" tab and select the "Month Number" column from the table. The "Month Number" column is an auto-generated column by Power BI, representing January as 1, February as 2, March as 3, and so on. Once you've selected the "Month Number" column, go to the "Modeling" tab and choose the "Sort by Column" option. In the drop-down, select "Sort by month number," and this will arrange the months correctly in the chart. Interviewer: Impressive! Let's talk about data modeling. How many types of relationships can you create between two tables in Power BI? Candidate: In Power BI, you can create three types of relationships: one-to-one, one-to-many, and many-to-many relationships. Interviewer: Correct. Now, suppose you have created a bookmark, but when you switch between pages, your slicer selections are not retained. How can you fix this issue? Candidate: To fix this issue, you can go to the data tab, select the month number column, go to the Modeling tab, and choose "Sort by column" by selecting the "Sort by month number." This will ensure the month names are sorted properly. Interviewer: Good. Now, have you worked with the TOPN function in Power BI? Can you explain how to achieve dynamic TOPN using parameters? Candidate: Yes, I am familiar with the TOPN function. To achieve dynamic TOPN using parameters, you can create a parameter for the desired number of top items. Then, use the TOPN function in your DAX expression and reference the parameter in the "N" argument of the TOPN function. Interviewer: Excellent. Now, let's discuss query merge and append. What is the difference between append and merge queries? Candidate: When you append queries, you stack rows from two tables on top of each other, combining them vertically. Merge queries, on the other hand, combine columns from two tables based on matching data, creating a new table with additional columns. Interviewer: Very good. How many types of joins have you used in Power BI, and can you explain the role of a LEFT JOIN? Candidate: In Power BI, I have used six types of joins: LEFT JOIN, RIGHT JOIN, INNER JOIN, FULL OUTER JOIN, LEFT OUTER JOIN, and RIGHT OUTER JOIN. The role of a LEFT JOIN is to return all values from the left table and the corresponding matches from the right table. If there is no match in the right table, you see a null value in the result. Interviewer: Correct. Let's talk about star schema and Power BI. Can you explain how to create a star schema? Candidate: In a star schema, the fact table is at the center, surrounded by dimension tables. Each dimension table has a single relationship with the fact table, creating a star-like structure. Interviewer: Good job. Now, let's discuss bookmarks in Power BI. How can you retain slicer selections when switching between pages using bookmarks? Candidate: To retain slicer selections when switching between pages, you need to enable "Keep all filters" in the bookmark settings. This will maintain the slicer selections across different pages. Interviewer: Correct. You're doing well. Finally, have you worked with index columns in Power Query, and why do we need them? Candidate: Yes, I have worked with index columns in Power Query. Index columns are used to assign a sequential number to each row in a table, which helps in organizing the data and improving performance. Interviewer: Well done. That concludes the interview. Do you have any questions for me? Candidate: Yes, I do. Can you tell me more about the company culture and any opportunities for growth within the organization? Interviewer: Sure, our company values teamwork, innovation, and continuous learning. We offer various training programs and opportunities for career advancement based on performance and skills. We encourage employees to take on new challenges and grow within the organization. Candidate: That sounds great. Thank you for sharing that information. Interviewer: You're welcome. Thank you for your time and impressive performance in the interview. We will get back to you with our feedback soon. Have a wonderful day! Candidate: Thank you, Sir. I look forward to hearing from you. Have a great day too. Goodbye. Interviewer: Goodbye. Take care!  
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J vanitha Kumari
Jul 21, 2023
In Tech Talk
Step 1: Create Bookmarks: Open your Power BI report in Power BI Desktop. Go to the "View" tab in the top menu and click on "Bookmarks pane" to show the bookmarks pane on the right-hand side. Step 2: Create Initial Visuals: Design your report page with the initial visuals you want to capture in a bookmark. Ensure that all the visuals and filters are set up as you desire for the first bookmark. Step 3: Add a Bookmark: With the report page in the desired initial state, click on "Add" in the Bookmarks pane. A new bookmark will be created, capturing the current state of visuals and filters. Step 4: Update Visuals: Make the desired changes to your visuals on the report page. For example, you can resize or reposition visuals, change their colors, or update chart types. You can also add or remove visuals to create a different visual arrangement. Step 5: Update Existing Bookmark: Once you have made the changes, select the bookmark you want to update from the Bookmarks pane. Go back to the report page, and your visuals will be reverted to the state they were in when the bookmark was created. Now, apply the changes you made to the visuals. Step 6: Update the Bookmark: With the visuals updated, click on "Update" in the Bookmarks pane to capture the changes in the selected bookmark. Step 7: Use Bookmarks for Interactivity: Now that you have multiple bookmarks with different visual settings, you can use them to switch between different views of your report. In the Bookmarks pane, click on a bookmark to apply the settings to the report page. Step 8: Additional Options: You can also use bookmarks to control the visibility of objects. For example, you can show or hide certain visuals, images, or text boxes in specific bookmarks. To do this, select the visual you want to control, go to the "Format" tab in the Visualizations pane, and use the "Bookmark" dropdown to specify its visibility for each bookmark.
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J vanitha Kumari
Jul 20, 2023
In Tech Talk
The errors you are encountering ("Microsoft Mashup Engine 1 error," "OData version 3 and 4 error," and "Error 404 Not Found") typically indicate issues with the data source or the connectivity between Power BI and the data source. Here are some possible causes and solutions for each error: Microsoft Mashup Engine 1 Error: This error often occurs when there is a problem with the Power Query (M) code or the transformation steps in the Power Query Editor. Check the Power Query steps and ensure that there are no syntax errors or unsupported operations. OData Version 3 and 4 Error: This error indicates a compatibility issue with the OData version used by the data source. Power BI supports both OData v3 and v4, but some data sources may only support one version. Try changing the OData version in the data source connection settings to match the version supported by your data source. Error 404 Not Found: The "Error 404 Not Found" indicates that Power BI couldn't find the requested resource (e.g., file, folder, or data endpoint) at the specified URL. Verify that the URL you are using to connect to the data source is correct and that the resource you are trying to access exists.
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J vanitha Kumari
Jul 20, 2023
In Questions & Answers
Yes, you can show the last modified date of Excel files stored in SharePoint in Power BI using the Power Query Editor and the SharePoint Online connector. Here's how you can do it: Open Power BI Desktop: Launch Power BI Desktop. Get Data from SharePoint: Go to the "Home" tab and click on "Get Data." Choose "SharePoint Online List" from the list of data sources. Connect to SharePoint: In the "From SharePoint Online List" dialog, enter the URL of your SharePoint site where the Excel files are stored. Click "OK." Navigate to the Excel Files: In the Navigator window, browse through the SharePoint folders to find the folder containing the Excel files you want to analyze in Power BI. Select the folder and click "OK." Combine Files: In the Power Query Editor, you will see a list of files in the selected SharePoint folder. Click on the "Combine" button in the "Home" tab and choose "Combine & Load." Expand Attributes: Once the data is loaded, you'll see a new column called "Content" that contains the Excel files. Click on the double-arrow icon in the "Content" column header to expand the attributes of the Excel files. Extract "Last Modified" Date: Inside the "Content" column, you should see a column called "Date accessed" or "Modified Date." This column contains the last modified date of each Excel file. Select the "Date accessed" column and click on the "Transform" tab. You can use the "Date" dropdown to set the proper date format if needed. Close & Apply: Click on "Close & Apply" in the Power Query Editor to apply the changes and load the data into your Power BI report.
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J vanitha Kumari
Jul 20, 2023
In Tech Talk
When using Talend to handle huge data volumes and migrate to Google Cloud Platform (GCP), one recommended approach is to leverage Talend's parallel processing capabilities in combination with GCP's native services for data storage and processing. This approach allows for efficient and scalable data migration. Here's an overview of the steps involved: Source Database Configuration: Configure the connection details and credentials in Talend to connect to your source database. This will enable Talend to extract the data from the source database. Data Extraction and Transformation: Use Talend's data integration features to extract the data from the source database. Apply any necessary transformations or cleansing operations to prepare the data for migration. Parallel Processing: Configure Talend to use parallel processing techniques, such as multi-threading or distributed processing. This allows Talend to divide the data migration workload into smaller chunks and process them concurrently, significantly improving performance. Target Database Configuration: Set up the connection details and credentials for the GCP database in Talend. This will enable Talend to load the data into the target database. Bulk Loading: Utilize Talend's bulk loading capabilities to efficiently load the extracted data into the GCP database. This approach minimizes the overhead associated with individual inserts and speeds up the migration process. GCP Integration: Leverage GCP's native services, such as Google BigQuery or Cloud Storage, for data storage and processing. Talend provides connectors to seamlessly integrate with these services, allowing you to store and process the migrated data in a scalable and efficient manner. Data Validation and Error Handling: Implement data validation mechanisms in Talend to ensure the integrity and accuracy of the migrated data. Set up error handling routines to log and handle any migration errors or inconsistencies. Testing and Performance Optimization: Thoroughly test the migration process with sample data to validate the performance and efficiency. Optimize Talend configurations and parameters, such as buffer sizes or thread counts, to fine-tune the process and achieve optimal performance. By combining Talend's parallel processing capabilities with GCP's native services, you can effectively handle and migrate huge data volumes. This approach enables faster and scalable data migration, reduces downtime, and ensures efficient utilization of computing resources during the migration process.
Tell me the ONE best approach by using talend to handling huge data and migrating to GCP content media
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J vanitha Kumari
Jul 20, 2023
In Questions & Answers
Yes, it is possible to integrate Talend and Google Cloud Platform (GCP) through data pipelines. Talend is a powerful data integration and ETL (Extract, Transform, Load) tool that provides various connectors and components to facilitate data integration across different systems and platforms. To integrate Talend with GCP, you can leverage Talend's connectors for GCP services such as Google Cloud Storage, BigQuery, Pub/Sub, and others. Talend allows you to design and develop data pipelines that interact with GCP services to perform various data integration tasks. Here's a general workflow of integrating Talend with GCP through data pipelines: Design and Develop Talend Job: Use Talend Studio, the graphical development environment, to design and develop the data integration job that includes the required components and transformations. Talend provides pre-built connectors for GCP services, enabling seamless interaction with GCP resources. Connect to GCP Services: Utilize Talend's GCP connectors to establish connections with GCP services like Google Cloud Storage, BigQuery, and Pub/Sub. Provide the necessary authentication credentials and configurations to authenticate and connect with the respective GCP services. Data Extraction and Transformation: Use Talend's data integration capabilities to extract data from various sources, perform necessary transformations, and prepare the data for loading into GCP services. This can involve cleansing, filtering, aggregating, or any other required data transformations. Load Data into GCP: Utilize Talend's GCP connectors to load the transformed data into GCP services. For example, you can load data into Google Cloud Storage for storage, import data into BigQuery for analytics and querying, or publish data to Pub/Sub for real-time data streaming. Orchestration and Monitoring: Talend provides features for job scheduling, orchestration, and monitoring. You can schedule the execution of Talend jobs at specific intervals or trigger them based on events. Additionally, you can monitor the job execution, handle errors, and capture relevant metrics for performance analysis. By integrating Talend and GCP through data pipelines, you can leverage the strengths of both platforms to enable seamless data integration, transformation, and loading processes. This integration allows you to harness the power of GCP services for data storage, analytics, and real-time data processing while benefiting from Talend's robust data integration capabilities.
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