Structured Query Language is the main part of the relational database, which can be utilized for gaining access to the database and also plays a major role in the management of the database. On the other hand, MySQL is a Relational Database Management System like SQL Server, Informix, and...
15.What is a view in SQL? How to create one Ans: A view is a virtual table based on the result-set of an SQL statement. We can create using create view syntax. CREATE VIEW view_name AS SELECT column_name(s) FROM table_name WHERE condition 16..What are the uses of view? Views ...
Simple View: It is a view based on a single table and does not have a GROUP BY clause or other SQL features. Complex View: It is a view built from several tables and includes a GROUP BY clause as well as functions. Inline View: It is a view built on a subquery in the FROM claus...
A subquery in SQL is like a query within a query. It helps you ask specific questions within a larger question. This nested query is used to filter or calculate data in a structured way. What is an SQL server? An SQL server is a software application that manages and stores databases. I...
Q9: Difference between correlated query and subquery in SQL Server. Correlated Queries are one of the types of subqueries where it output of the query is dependent on the outer query. In this case, the outer query executes first and on basis of the correlated query executes. ...
43. Which of the following statetments are true about the usage of GROUP BY columns in a subquery?Subqueries can contain GROUP BY and ORDER BY clauses. Subqueries cannot contain GROUP BY and ORDER BY clauses. Subqueries can contain ORDER BY but not the GROUP BY clause. Subqueries cannot ...
18. What is a Subquery? What are its types? 19. What is a Primary Key? 20. What are Constraints in SQL? 21. What are Tables and Fields? 22. What is the difference between SQL and MySQL? 23. What is SQL? 24. What is RDBMS? How is it different from DBMS? 25. What is DBMS?
24 :: What is sql Correlated Subquery? Correlated Subquery is a subquery that is evaluated once for each row processed by the parent statement. Parent statement can be Select, Update or Delete. Use CRSQ to answer multipart questions whose answer depends on the value in each row processed by...
5. Which is better a CTE or a subquery? Why? 6. Can you tell me replication monitoring tables? 7. How to apply service packs on Active Active cluster? 8. Best practices in applying security patches 9. What is a log reader agent?
Cannot use an aggregate or a subquery in an expression used for the group by list of a GROUP BY clause. Cannot use the ROLLBACK statement within an INSERT-EXEC statement. Cant Drop Table capitalise the first letter of each word in a string in SQL Server. Capturing the results from exec ...