ROUND

Returns a numeric expression, rounded to the specified length or precision.

Syntax

ROUND ( numeric_expression , length  ) 

Sample 1
select round(552.552,0)
553.000

Sample 2
select round(552.552,1)
552.600

Sample 3
select round(552.552,2)
552.550

Sample 4
select round(552.552,3)
552.552

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