Draw E-R diagram for many to many relationship ?
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What is merge statement used for?
what are stored procedures?
t1 col1 col2 nishi 5000 lucky 6700 akash 7000 i want that a query that when i insert 7000 it will show me data already present and data will not insert. if data is not present it will insert.
What is oracle open database communication (odbc)?
What is an Oracle index?
Do you know about aggregate functions? What is row num function? Can it be used all databases?
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What is Water Mark in Oracle?
What is catalog in Oracle?
What is flashback Query ? And Use ?
What is backup in Oracle?
sql command 2 know current database
Is oracle the best database?