How to convert character types to numeric types?
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What is control file used for?
How to invoke the original export import utilities?
What is a database table in oracle?
12. Display the client name in upper case only and in lower case only.
What is the usage of control file in oracle?
How would you begin to troubleshoot an ORA-3113 error?
Two triggers one is before insert and other is after insert are firing on a table.If 10 times you insert in a table.Then how many times before trigger and how many types after trigger will fire in pl/sql.
What are various constraints used in SQL?
Differentiate between function and procedure in oracle.
What is a data dictionary and how can it be created?
Which is faster join or subquery in oracle?
What happens if you lost a data file?