What is sql used for?

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what is the command used to fetch first 5 characters of the string? : Sql dba

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What is difference between mysql and postgresql?

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declare lowerl number:= 1; upperl number:= 3; num varchar2(10); begin for i into lowerl..upperl loop num:=num||to_char(lowerl); if i=3 then upperl:=5; end loop; message(num); What will be the output ?

3 Answers   Oracle,

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Which sorts rows in sql?

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Can a trigger call a stored procedure?

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What is sequence in sql?

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What are the syntax and use of the coalesce function?

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What is sql character function?

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what is difference between stored procedures and application procedures,stored function and application function?

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What is write ahead logging in sql server?

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Is sql a backend language?

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