What is trigger and types?
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i hv 30 rows with date.ex:1month hav 4 weeks i want 1st day of the every week.write the qry for that.example jan has 4 weeks i need 1st dd for evry wk
Do stored procedures prevent sql injection?
how can we find the select statement is indexed or not?
there are .......different types of serializability
What are the different types of joins and explain them briefly.
What is an Integrity Constraint?
What is the diffrence between IN and EXISTS.which one is faster.
What is server name sql?
what are the different type of normalization? : Sql dba
How to Execute a Package in PL/SQL.?
How many indexes can be created on a table in sql?
How pl/sql source code can be protected?