What is a unique constraint?
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Why do we need a foreign key?
What is a trigger in pl/sql?
what is difference between "Primary key" and "Unique key"?
Which function is used to return remainder in a division operator in sql?
How well can multiple sessions access the same data simultaneously ?
What is vector point function?
Name Salary Abc 50000 Abc 50000 xyz 20000 find the max salary using aggregate function?
Can i possible to see Table Details ? Ex : Table Name Date Time User Emp May/18/2010 12:59pm Scott
What is the difference between rename and alias?
What are procedures used for?
What is duration in sql profiler trace?
Is left join same as join?
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