What are aggregate and scalar functions?
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Can we use two order by clause in query?
Which normal form is best?
what is the main difference between join and subqurey?
Why we use joins in sql?
what is the use of set statement in tsql? : Transact sql
List out the acid properties and explain?
What is pl sql in oracle?
What are the basic techniques of indexing?
What are the two parts of a procedure ?
what are the advantages of using stored procedures? : Sql dba
What is scope of pl sql developer in future?
Why is there a need for sqlcode and sqlerrm variables?
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