WebOct 26, 2024 · Answer : we can use the explode function , which will explode as per the number of items in e_id . mydf.withColum (“e_id”,explode ($”e_id”)). Here we have taken the new column same as old column, the dtypes of opdf will be. Q2 . How many number of column will be present in the df2, if df1 have three columns a1,a2,a3. WebApr 11, 2024 · The most popular Informatica versions are: 1) Informatica PowerCenter: This is the flagship product from Informatica and is used by enterprises for data integration, transformation, and management. 2) Informatica Data Quality: This version helps businesses to improve the quality of their data.
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WebMar 13, 2024 · Q #9) List out the documents that are used by a BA in a Project? Answer: As a Business Analyst we deal with various documents like Functional Specification document, Technical Specification document, Business Requirement document, Use Case diagram, Requirement Traceability Matrix, etc. WebDec 7, 2024 · Data modeling scenario-based interview questions may come up. To measure your database design skills, you may be presented with a business process and asked to delineate how you would go about designing a database to support the process. For example, a DBMS scenario-based question might be to explain how you you would track … bodins washburn wi
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WebApr 13, 2024 · Tableau Scenario-based Interview Questions and Answers 51. Visualization displays Sum (Profit) by Zipcode. Additionally, the customer wants to see "Sum (Profit) at the State level" in the same visualization. What kind of function is applicable in this situation? LOD expressions are used to aggregate outside of the view's level of detail. WebNov 14, 2024 · Many interviews for data analyst jobs include an SQL screening where you’ll be asked to write code on a computer or whiteboard. Here are five SQL questions and tasks to prepare for: 1. Create an SQL query: Be ready to use JOIN and COUNT functions to show a query result from a given database. 2. WebFeb 3, 2024 · 11 common support worker interview questions. The following are some of the most common support worker interview questions: 1. How do you assess a client's needs? The client's needs are always vital when offering care or support. Patients' needs are usually sensitive and vary depending on the situation. bodins zenith rouen