How many columns should be in an index?
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What does count (*) mean?
Show the cursor attributes of pl/sql.
Is clustered index a primary key?
i declare 4 procedure in package specification but in package body i write only 3 procedure. is it complie??//w
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Is natural join and inner join same?
How do I tune a sql query?
What is percent sign in sql?
Which are sql * plus commands?
What is view? Can we update view
What is varchar example?
What is use of term?
Is mariadb a nosql database?