SQL Interview Questions and Answers Summary List:
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01. SQL Data Storage based Interview Questions Summary
02. SQL types and Tools based Interview Questions Summary
03. SQL Key and Constraints based Interview Questions Summary
04. SQL Data Types based Interview Questions Summary
05. SQL SET OPTIONS based Interview Questions Summary
06. SQL NULL based Interview Questions Summary
07. SQL Commands based Interview Interview Questions Summary
08. SQL SET Operations based Interview Questions Summary
09. SQL data access and formatting based Interview Questions Summary
10. SQL Join based Interview Questions Summary
11. SQL Clause based Interview Questions Summary
12. SQL DML/DDL based Interview Questions Summary
13. SQL Objects based Interview Questions Summary
14. SQL Query based Interview Questions Summary
15. SQL Function and Procedure based Interview Questions Summary
16. SQL Trigger and vVew based Interview Questions Summary
17. SQL Transaction based Interview Questions Summary
18. SQL Exception and Error handling based Interview Questions Summary


https://www.techpointfunda.com/2022/08/sql-interview-questions-list.html


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CSV Parameter in SQL Stored Procedure:
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How can you return the matching records for passed csv parameter from the stored procedure?


https://youtu.be/4q4A3BQabwA


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Dynamic Alias Names in SQL Stored Procedure:
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How can you return the dynamic alias name for the table columns?


https://www.youtube.com/watch?v=6umlWEWioWM


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Fullstack Interview Questions and Answers:
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https://www.techpointfunda.com/2021/11/fullstackdeveloper-interviewquestions.html


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Dynamic Output Columns from Table in SQL:
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How can you return the Dynamic Output Columns from a table?



https://www.youtube.com/watch?v=lHjz9O_FWkQ


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Creating Database Object/Table at Runtime in SQL:
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How can you accepts the name as an input parameter and create the table/database at runtime?



https://www.youtube.com/watch?v=aBH7kXmStIE


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Fetching Data from Dynamic Source Table in SQL:
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How can you accepts the table name as an input parameter and return data from that table?



https://www.youtube.com/watch?v=l6W-TCEfLWY


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Different Types of SQL JOINs:
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Q01: What is INNER JOIN?
Q02: What is NON-ANSI JOIN?
Q03: What is ANSI JOIN?
Q04: What is SELF JOIN?
Q05: What is OUTER JOIN?
Q06: What is LEFT OUTER JOIN?
Q07: What is RIGHT OUTER JOIN?
Q08: What is FULL OUTER JOIN?
Q09: What is CROSS JOIN?
Q10: What is the difference between FULL JOIN vs CROSS JOIN?


https://www.techpointfunda.com/2021/11/different-sql-join.html


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Different Ways to Delete Duplicate Records in SQL:
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Q01: How can you check and DELETE the duplicate records using SQL SubQuery?
Q02: How can you check and DELETE the duplicate records using SQL CoRelated SubQuery?
Q03: How can you check and DELETE the duplicate records using IN Clause?
Q04: How can you check and DELETE the duplicate records using JOIN?
Q05: How can you check and DELETE the duplicate records using the Derived Table(DT)?
Q06: How can you check and DELETE the duplicate records using the Common Table Expression (CTE)?
Q07: How can you DELETE the duplicate records using SQL Server integration service(SSIS) in SQL?


https://www.techpointfunda.com/2021/11/deleting-duplicate-records-in-sql.html


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Fetching data from Dynamic Source Database in SQL:
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How can you accepts the database name as an input parameter and returns data from that database table at runtime?
How can you return the records from different databases passed as input parameter from the user?


https://www.youtube.com/watch?v=96v1OB-yR6E


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Returning data from Dynamic Linked-Server in SQL:
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What is Linked-Server in SQL?
How can you check the available Linked-Servers in SQL?
How can you return the data from the linked-server which is known at run-time?


https://www.youtube.com/watch?v=_iX9CseiToQ


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Retrieving Data from Dynamic Schema in SQL:
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What is three part identifier in SQL?
What is schema name in SQL?
How can you check schema names in SQL?
How can you write a stored procedure that accepts schema name as input parameters and returns data from the provided schema only?


https://www.youtube.com/watch?v=iEyPjoes38I


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Dynamic Data Sorting in SQL: Dynamic Order By Clause in SQL
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How can you sort the data based on the parameterized column names in SQL?
How can you write a stored procedure that accepts column name as input parameter and returns data sorted based on the the provided column?


https://www.youtube.com/watch?v=3lLq6nSILI0


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Dynamic Data Filtering (Dynamic Where Condition in SQL):
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Question: How can you filter the records based on different dynamic criteria in SQL?

Question: How can you write a stored procedure that accepts different input criteria and returns data filtered based on the input parameters in SQL?

https://www.youtube.com/watch?v=koQ3AOx6vcc


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SQL Temporary Table | Temp Table | Global vs Local Temp Table
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Q01. What is a Temp Table or Temporary Table in SQL?
Q02. Is a duplicate Temp Table name allowed?
Q03. Can a Temp Table be used for SELECT INTO or INSERT EXEC statement?
Q04. What are the different ways to create a Temp Table in SQL?
Q05. What is the difference between Local and Global Temporary Table in SQL?
Q06. What is the storage location for the Temp Tables?
Q07. What is the difference between a Temp Table and a Derived Table in SQL?
Q08. What is the difference between a Temp Table and a Common Table Expression in SQL?
Q09. How many Temp Tables can be created with the same name?
Q10. How many users or who can access the Temp Tables?
Q11. Can you create an Index and Constraints on the Temp Table?
Q12. Can you apply Foreign Key constraints to a temporary table?
Q13. Can you use the Temp Table before declaring it?
Q14. Can you use the Temp Table in the User-Defined Function (UDF)?
Q15. If you perform an Insert, Update, or delete operation on the Temp Table, does it also affect the underlying base table?
Q16. Can you TRUNCATE the temp table?
Q17. Can you insert the IDENTITY Column value in the temp table? Can you reset the IDENTITY Column of the temp table?
Q18. Is it mandatory to drop the Temp Tables after use? How can you drop the temp table in a stored procedure that returns data from the temp table itself?
Q19. Can you create a new temp table with the same name after dropping the temp table within a stored procedure?
Q20. Is there any transaction log created for the operations performed on the Temp Table?
Q21. Can you use explicit transactions on the Temp Table? Does the Temp Table hold a lock? Does a temp table create Magic Tables?
Q22. Can a trigger access the temp tables?
Q23. Can you access a temp table created by a stored procedure in the same connection after executing the stored procedure?
Q24. Can a nested stored procedure access the temp table created by the parent stored procedure?
Q25. Can you ALTER the temp table? Can you partition a temp table?
Q26. Which collation will be used in the case of Temp Table, the database on which it is executing, or temp DB? What is a collation conflict error and how you can resolve it?
Q27. What is a Contained Database? How does it affect the Temp Table in SQL?
Q28. Can you create a column with user-defined data types (UDDT) in the temp table?
Q29. How many concurrent users can access a stored procedure that uses a temp table?
Q30. Can you pass a temp table to the stored procedure as a parameter?


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SQL Merge Statement - EVIL or DEVIL:
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Q01. What is the MERGE Statement in SQL?
Q02. Why separate MERGE Statement if we have already INSERT, UPDATE, and DELETE commands?
Q03. What are the different databases that support the SQL MERGE Statement?
Q04. What are the different MERGE Statement Scenarios for DML?
Q05. What are the different supported MERGE Statement Clauses in MSSQL?
Q06. What will happen if more than one row matches the MERGE Statement?
Q07. What are the fundamental rules of SQL MERGE Statement?
Q08. What is the use of the TOP and OUTPUT clauses in the SQL Merge Statement?
Q09. How can you use the Merge Statement in MSSQL?
Q10. How does the SQL MERGE command work in MSSQL?
Q11. How can you write the query for the SQL Merge?
Q12. Is SQL MERGE Statement Safe to use?


Please visit the following link for the answers:


https://www.crackjob.co.in/2023/12/sql-merge-statement.html



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Getting 3rd Highest Salary in SQL:
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How many ways do you know, to get the 3rd highest salary in SQL?


https://www.techpointfunda.com/2021/08/getting-third-highest-salary-insql.html


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