What is integrity and what is constraint??Explain with
example
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what is analyze command ? what kind of statistics does it generate?
Differentiate between post-database commit and post-form commit?
For a field in a repeating frame, can the source come from the column which does not exist in the data group which forms the base for the frame ?
What is DTS and purpose of DTS ?
17. Display the order number and average item cost for each order.
How to create a temporary table in oracle?
write sql query following source are EmpID, Salary 101 1000 102 2000 103 3000 I want the output format like following empid,sal,composite_sal 101 1000 1000 102 2000 3000 103 3000 6000
Give the constructs of a package, function or a procedure.
Can we create more than one index on particular column?
Can group functions be mixed with non-group selection fields?
What are the set operators union, union all, minus & intersect meant to do?
find out the second highest salary?
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