What is parallel hint?
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What is the basic structure of an sql?
Compare sql & pl/sql
how to drop an existing index in mysql? : Sql dba
What is pl sql in oracle?
What is the difference between SQL table and the PLSQL table?
Explain raise_application_error.
Can unique keys be null?
one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So my requirement is i want output like SAL --- 1000 2000 3000 it mean i want to delete duplicate rows only how should u write query?
What is package in pl sql with an examples?
Can a commit statement be executed as part of a trigger?
Write the sql query using dual table for below output? 1 L R --- --- ---- 1 1 1 1 2 1 1 3 1 1 1 2 1 2 2 1 3 2 1 1 3 1 2 3 1 3 3 Write a query using only Dual table with out writing any pl/sql program.
What is a 'instead of trigger'?
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