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oracle截取整数位

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trunc( number, [ decimal_places ] )


Applies To:

Oracle 8i, Oracle 9i, Oracle 10g, Oracle 11g


For example:

trunc(125.815) would return 125
trunc(125.815, 0) would return 125
trunc(125.815, 1) would return 125.8
trunc(125.815, 2) would return 125.81
trunc(125.815, 3) would return 125.815
trunc(-125.815, 2) would return -125.81
trunc(125.815, -1) would return 120
trunc(125.815, -2) would return 100
trunc(125.815, -3) would return 0

















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