What is pragma in sql?
What is difference between primary and secondary key?
diff b/w function and procedure?
What does count (*) do in sql?
What is differance unique key and primary key.
What are the three forms of normalization?
Why do we create stored procedures & functions in pl/sql and how are they different?
SELECT ROUND(TRUNC(MOD(1600,10),-1),2) FROM dual;
Differentiate pl/sql and sql?
Types of optimization?
What are secondary keys?
What is the difference between function and procedure in pl/sql?
what is difference b/w pravite procedures and public procedures?
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