What is the difference among union, minus and intersect?
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ex: take one schema in that t1,t2,.....tn tables and you don't no the table name also. write a procedure if enter columns name then display the maching columns .otherwise display the unmatch columns.
in procedure how to return a value
What are sql procedures?
wirte a query to filter improper date format follwing table? date 20-apr 22-may-2010 26-jun-2010 feb-2009 i want the output date 22-may-2010 26-jun-2010
query to retrive the employees whose sal is greater than avg sal
What is java sql package?
how a reference cursor works?what all adnvantages are gained with it..specify the situation?
Does view store data in sql?
Can we use having without group by in sql?
Is keyword pl sql?
What is cte?
i declare 4 procedure in package specification but in package body i write only 3 procedure. is it complie??//w
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