數(shù)據(jù)類型:數(shù)字
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TINYINT: -128~~+127 UNSIGN
FLOAT\DOUBLE 單雙精度浮點數(shù)小數(shù)點后數(shù)據(jù)不精確,需要絕對精確要用DECIMAL
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數(shù)據(jù)類型:字符串
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數(shù)據(jù)類型:日期類型
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TINYINT: -128~~+127 UNSIGN
FLOAT\DOUBLE 單雙精度浮點數(shù)小數(shù)點后數(shù)據(jù)不精確,需要絕對精確要用DECIMAL