What is trigger with example?
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How can you load microsoft excel data into oracle? : aql loader
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How does a trigger work?
What is the difference between numeric and autonumber?
What is the difference between subquery and correlated query?
I want to know the difference between A Record Type and a Table.
Explain correlated query work?
IN A TABLE HAVE ONE COLUMN PRIMARY KEY..IT WILL NOT ALLOWS NULL VALUES AND DUPLICATE VALUES..INSTEAD OF PRIMARY KEY WHY CANT WE USE UNIQUE AND NOT NULL.THESE TWO ALSO DOESNT ACCEPT NULL VALUES IN NOT NULL AND UNIQUE DOESNT ACCEPT DUPLICATE VALUES? SO WHAT IS THE DIFEERENCE BETWEEN(UNIQUE,NOT NULL) AND PRIMARY KEY??????
What is input buffer in sql*plus?
Which one is the Best approach to put code, among Triggers and Procedures? Explain?
How to combine two stored procedures in sql?
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