What are the differences between DDL, DML and DCL in SQL?
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What is the basic difference between clustered and a non-clustered index?
What is the standby server?
What is primary key index?
Is it possible to update the views? If yes, how, if not, why?
How to enter comments in transact-sql statements?
Can a unique index be created on a column, which contains null?
What is a system database and what is a user database?
What is the process of normalization?
What is the use of tempdb? What values does it hold?
What is the use of toad or sqldbx.?
Why SQL Agent is used?
I Have Employee table having column name as ID,SALARY how to get second max salary from employee table with id ex ID SALARY 1 20000 7 37000 2 5000
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