What is faster join or subquery?
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What is the execution plan in sql?
What is file based approach?
Name the different types of indexes in sql and define them.
what is 'mysqladmin' in mysql? : Sql dba
What is the difference between UNIQUE CONSTRAINT and PRIMARY KEY? 1. There is no difference. 2. A PRIMARY KEY cannot be declared on multiple columns. 3. A UNIQUE CONSTRAINT cannot be declared on multiple columns. 4. A table can have multiple PRIMARY KEYS but only one UNIQUE CONSTRAINT. 5. A table can have multiple UNIQUE CONSTRAINTs but only one PRIMARY KEY.
How can triggers be used for the table auditing?
What is difference between stored procedures and application procedures?
How to fetch common records from two tables?
How can get second highest salary in sql?
If the application is running very slow? At what points you need to go about the database in order to improve the performance?
How do you determine the current isolation level? : Transact sql
Explain the steps needed to create the scheduled job?
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