Explain spool.
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Explain what is table in a database?
Explain how to use transactions efficiently : transact sql
Explain unique key in sql.
how view used for security purposes?
Why are sql stored procedures used?
how is myisam table stored? : Sql dba
there is A table and B table in A table there 5 rows and in b table there are 2 rows i am firing query select * from a,b what will be the output?
How many unique keys can a table have?
What is before and after trigger?
how u can find the n row from a table?
i need department wise top 2 employees salary.which logic i will use
What is different between union and minus?