Wipro SQL and MSBI Developer Interview Questions and Answers

Q1. What is sql , index , stored proc , triggers
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Q1. Tell about your self
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Q2. Interested Technology
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Q1. What is SQL where it use
Ans. 
SQL is a programming language used for managing and manipulating relational databases.
• SQL stands for Structured Query Language

• It is used to communicate with databases to perform tasks such as querying data, updating records, and creating tables

• Examples of SQL commands include SELECT, INSERT, UPDATE, DELETE
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Q2. What is Join and Procedure
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Join is used to combine rows from two or more tables based on a related column, while Procedure is a set of SQL statements that perform a specific task.
• Join is used to retrieve data from multiple tables based on a related column

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Procedure is a set of SQL statements stored in the database and executed when called

• Procedures can accept input parameters
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Q1. Architecture of sql
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SQL architecture refers to the structure and components of a SQL database system.
• SQL architecture includes components like storage engine, query processor, and buffer manager.

• The storage engine manages data storage and retrieval, while the query processor processes SQL queries.

• The buffer manager handles caching and memory management to optimize performance.

• Examples of SQL architectures include MySQL, Oracle, and SQL Se
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Q2. Recovery models
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Q1. Explain about SSIS Architecture
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SSIS Architecture is a platform for data integration and workflow applications.
• SSIS stands for SQL Server Integration Services

• It includes a data flow engine, control flow engine, and event handling

• SSIS packages can be created using SQL Server Data Tools (SSDT)

• SSIS packages can be scheduled and executed using SQL Server Agent
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Q2. How to implement transactions in ssis
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Transactions in SSIS can be implemented using the TransactionOption property in Control Flow tasks.
• Set the TransactionOption property to Required on the Control Flow tasks that need to be included in the transaction.

• Use the TransactionOption property to specify the level of transaction support needed for each task.

• Transactions can be managed using the Distributed Transaction Coordinator (DTC) service.
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Q1. How to insert multiple values in one go
Ans. 
Use the INSERT INTO statement with multiple value sets separated by commas
• Use the INSERT INTO statement followed by the table name

• List the column names in parentheses after the table name

• Use the VALUES keyword followed by multiple value sets in parentheses, separated by commas

• Example: INSERT INTO table_name (column1, column2) VALUES (value1, value2), (value3, value4)
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Q2. Update query using joins
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Update query using joins in SQL
• Use UPDATE statement with JOIN clause to update data in multiple tables

• Specify the tables to be updated and joined using ON clause

• Set the columns to be updated in SET clause
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Test your algorithmic thinking and problem solving skills

Q1. Communications,clearity of answers
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Q1. Discussion about packages,joining date
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Sql queries on top clause

Q1. Why u want to join
Ans. 
I am passionate about database management and eager to contribute my skills to your team.
• I have a strong background in database administration

• I am excited about the opportunity to work with a reputable company like yours

• I am eager to learn and grow in my career as a SQL DBA
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Q2. What is the salary expectation
Ans. 
I am looking for a competitive salary based on my experience, skills, and the responsibilities of the role.
• Research the average salary range for MS SQL DBAs in your location and industry

• Consider your years of experience and any specialized skills or certifications you have

• Be prepared to negotiate based on the specific responsibilities and requirements of the role
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Performance tunning and sql profiler