how will i became good database developer?
what is an index? : Sql dba
select * from emp where sal in(select max(sal) from emp) here there is any limit for in operator how many values accpect ?
What is the primary key?
Is primary key always clustered index?
Is pl sql and postgresql same?
Explain what is sql?
What are few of the schema objects that are created using PL/SQL?
Which one is better sql or oracle?
how to write date and time literals? : Sql dba
Are sql database names case sensitive?
What are dml commands?
If records are inserted into table without committing.How to refer to these values in a procedure?