What is output spooling in sql*plus?
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How do you take the union of two tables in sql?
how mysql optimizes distinct? : Sql dba
what are different types of keys in sql?
Can we use delete in merge statement?
What is structural independence and why is it important?
one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So my requirement is i want output like SAL --- 1000 2000 3000 it mean i want to delete duplicate rows only how should u write query?
What is a crud api?
What is the source code of a program?
i have a table emp and columns ename,empno,mgr_id,i need ename,manager name as result i.e employee respective manager.. example empno ename mgr_id 1 john 3 2 paul 3 3 smith 1 4 kevin 1 5 stewart 2 result has to look like this ename manager john smith paul smith smith john kevin john stewart paul can u plz help me out in this.....
What is group function in sql?
What do you mean by stored procedures? How do we use it?
How to add, remove, modify users using sql?
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