why should i declare foreign key constraint as self relation
instead of binary relation in tables ?
What is define in oracle?
How to test null values?
what is the difference between table and veiw?
How to estimate disk space needed for an export job?
One Table having two rows with one colomn having values Like"Male" and "Female". how to upadte these values Like "Female" and "Male" in single update statement.
Can Multiple instances be run on Single Machine???
how to get the second max val for every group in a table
What happens if the update subquery returns multiple rows?
What is Read-Only Transaction ?
What is merge statement used for?
How to use null as conditions in oracle?
How many categories of data types in oracle?