How do you write a subquery?
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Difference between SUBSTR and INSTR?
Is left join faster than join?
Is trigger a stored procedure?
What are tuples in sql?
Which one is the Best approach to put code, among Triggers and Procedures? Explain?
Explain the steps needed to create the scheduled job?
what is 'force view'?
How many types of literals are available in pl sql?
what is the use of anchoring object? what r the difference between anchoring object & enclosing object? can any one tell me all the details?
what is the different between unique+not null & primary key,
How many null values can be inserted in a coulmn whihc is unique constraint
what is the difference between to_char and to_date functions?
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