What is an index in sql with example?
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Can any one tell me how to increase the performance of a sql query ie what are the performance tips in creating or writing a sql query !!?
Which kind of parameters cannot have a default value in pl sql?
What do you mean by stored procedures?
What is a composite primary key?
what is difference between stored procedures and application procedures,stored function and application function?
what are date and time functions in mysql? : Sql dba
Can we commit inside a trigger?
Why join is faster than subquery?
What is a common use of group by in sql?
How to disable a trigger name update_salary?
Which is better stored procedure or query?
Can we join tables without foreign key?