What is a sub query? Describe its types?
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Explain coalesce function?
How to convert characters to times in oracle?
find the second highest salary of the emp table
How do I start tns listener?
How do I limit the number of oracle database connections generated by weblogic server?
Explain implicit cursor.
how to select second mauximum value in a given table under salary column
how to hide the stored procedure inside a package
How to export your connection information to a file?
What is an Integrity Constrains ?
What is an Oracle Instance?
Name the various constraints used in oracle?