What are the differences between interval year to month and interval day to second?
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What are the predefined tablespaces in a database?
There are three tables : E : EID,ENAME D : DID,DNAME empdept : eid, did select the employees who doesn't belong to any dep
How to drop an existing view in oracle?
 How to use an oracle sequence generator in a mapping?
Explain user account with reference to oracle.
I have my backup RMAN script called backup_rman.sh. I am on the target database. My catalog username/password is rman/rman. My catalog db is called rman. How would you run this shell script from the O/S such that it would run as a background process?
Define 'view' advantage ?
Explain mutating triggers.
What is the string concatenation operator in oracle?
What is a View ?
How to create a table index?
How many data types are supported?