What are the triggers associated with image items?
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Write a query to find five highest salaries from EMP table. (there is a column SALARY)
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What operators deal with null?
I Defined SP1, Sp2 (sp=StoreProcedures)In Package Specification but I Implemented Sp1, sp2, sp3, sp4, sp5 then What type of Error You will find????
what is the Default Libraries for Oracle Report 6i
What is the sql case statement?
What is magic table?
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??????
Can you select everything, but 1 or 2 fields, without writer's cramp?
Which type of cursor is used to execute the dml statement?
what are dynamic queries in t-sql? : Transact sql
What are types of joins?
What are predefined functions in sql?
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