How to define a data field as not null?
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Can a field be used in a report without it appearing in any data group ?
I just want to maintain data like an employee can belongs to 3 or more departments . We can resolve this by using composite key but it avoids normalization rules. So Can anyone tell me how can I maintain data.
What are the advantages of oracle 12c?
How do you get nicely formatted results from an oracle procedure that returns a reference cursor?
How to upsert (update or insert into a table)?
What do you understand by a database object? Can you list a few of them?
How to find out what privileges a user currently has in oracle?
You have found corruption in a tablespace that contains static tables that are part of a database that is in NOARCHIVE log mode. How would you restore the tablespace without losing new data in the other tablespaces?
Explain the statement?? ALTER TABLE TABLE_NAME MOVE; What it the use of above statement??
How do you bind variables in oracle?
How to rebuild an index in oracle?
what is the difference between restoring and recovering?