What do you mean by rowid?
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If 100 tables are there in user_tables.I want to find in which table zero records are there with table name.Is it possible?
select 1,col1,col2 from table1. output?
What is pl/sql table? Why it is used?
What are the events on which a database trigger can be based?
Talk about views
Could you please provide oca (oracle 10g) dumps for my certification ?
Why is a trigger used?
What is the difference between a subquery and a join?
What is the limitation on the block size of pl/sql?
Can procedure in package be overloaded?
Differentiate between syntax and runtime errors.
what are the authentication modes in sql server? How can it be changed? : Sql dba
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