Explian rowid, rownum?
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What is procedure and function?
What is rownum?
what is self join and what is the requirement of self join? : Sql dba
Is inner join faster than left join?
Why we use join in sql?
What are different types of joins ?
What are expressions?
Does pl/sql support create command?
What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?
Explain about various levels of constraint.
what is the cursor and use of cursor in pl/sql ?
What are instead of triggers?
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