格式:
CONVERT(data_type,expression[,style])
說明:
此樣式一般在時間類型(datetime,smalldatetime)與字符串類型(nchar,nvarchar,char,varchar)
相互轉(zhuǎn)換的時候才用到.
例子:
SELECT CONVERT(varchar(30),getdate(),101) now
結(jié)果為:
now
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|09/15/2001
===================================================================
style數(shù)字在轉(zhuǎn)換時間時的含義如下:
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Style(2位表示年份) | Style(4位表示年份) | 輸入輸出格式
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0 | 100 | mon dd yyyy hh:miAM(或PM)
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1 | 101 美國 | mm/dd/yy
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2 | 102 ANSI | yy-mm-dd
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3 | 103 英法 | dd/mm/yy
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4 | 104 德國 | dd.mm.yy
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5 | 105 意大利 | dd-mm-yy
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6 | 106 | dd mon yy
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7 | 107 | mon dd,yy
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8 | 108 | hh:mm:ss
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9 | 109 | mon dd yyyy hh:mi:ss:mmmmAM(或PM)
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10 | 110 美國 | mm-dd-yy
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11 | 111 日本 | yy/mm/dd
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12 | 112 ISO | yymmdd
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13 | 113 歐洲默認(rèn)值 | dd mon yyyy hh:mi:ss:mmm(24小時制)
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14 | 114 | hh:mi:ss:mmm(24小時制)
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20 | 120 ODBC 規(guī)范 | yyyy-mm-dd hh:mi:ss(24小時制)
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21 | 121 | yyyy-mm-dd hh:mi:ss:mmm(24小時制)
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