SQL中CONVERT转化函数的用法
格式:http://www.cnblogs.com/Images/OutliningIndicators/None.gifCONVERT(data_type,expression[,style])
http://www.cnblogs.com/Images/OutliningIndicators/None.gif
http://www.cnblogs.com/Images/OutliningIndicators/None.gif说明:
http://www.cnblogs.com/Images/OutliningIndicators/None.gif此样式一般在时间类型(datetime,smalldatetime)与字符串类型(nchar,nvarchar,char,varchar)
http://www.cnblogs.com/Images/OutliningIndicators/None.gif相互转换的时候才用到.
http://www.cnblogs.com/Images/OutliningIndicators/None.gif
http://www.cnblogs.com/Images/OutliningIndicators/None.gif例子:
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(30),getdate(),101) now
http://www.cnblogs.com/Images/OutliningIndicators/None.gif结果为:
http://www.cnblogs.com/Images/OutliningIndicators/None.gifnow
http://www.cnblogs.com/Images/OutliningIndicators/None.gif---------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif|09/15/2001
http://www.cnblogs.com/Images/OutliningIndicators/None.gif
http://www.cnblogs.com/Images/OutliningIndicators/None.gif===================================================================
http://www.cnblogs.com/Images/OutliningIndicators/None.gif
http://www.cnblogs.com/Images/OutliningIndicators/None.gifstyle数字在转换时间时的含义如下:
http://www.cnblogs.com/Images/OutliningIndicators/None.gif
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gifStyle(2位表示年份) |Style(4位表示年份) | 输入输出格式
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif0 | 100 | mon dd yyyy hh:miAM(或PM)
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif1 |101 美国 | mm/dd/yy
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif2 |102 ANSI | yy-mm-dd
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif3 |103 英法 | dd/mm/yy
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif4 |104 德国 | dd.mm.yy
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif5 |105 意大利 | dd-mm-yy
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif6 |106 | dd mon yy
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif7 |107 | mon dd,yy
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif8 |108 | hh:mm:ss
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif9 |109 | mon dd yyyy hh:mi:ss:mmmmAM(或PM)
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif10 |110 美国 | mm-dd-yy
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif11 |111 日本 | yy/mm/dd
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif12 |112 ISO | yymmdd
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif13 |113 欧洲默认值 | dd mon yyyy hh:mi:ss:mmm(24小时制)
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif14 |114 | hh:mi:ss:mmm(24小时制)
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif20 |120 ODBC 规范 | yyyy-mm-dd hh:mi:ss(24小时制)
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif21 | 121 | yyyy-mm-dd hh:mi:ss:mmm(24小时制)
http://www.cnblogs.com/Images/OutliningIndicators/None.gif------------------------------------------------------------------------------------------------------------
http://www.cnblogs.com/Images/OutliningIndicators/None.gif
http://www.cnblogs.com/Images/OutliningIndicators/None.gif语句及查询结果：
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 0): 05 16 2006 10:57AM
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 1): 05/16/06
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 2): 06.05.16
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 3): 16/05/06
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 4): 16.05.06
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 5): 16-05-06
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 6): 16 05 06
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 7): 05 16, 06
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 8): 10:57:46
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 9): 05 16 2006 10:57:46:827AM
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 10): 05-16-06
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 11): 06/05/16
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 12): 060516
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 13): 16 05 2006 10:57:46:937
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 14): 10:57:46:967
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 20): 2006-05-16 10:57:47
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 21): 2006-05-16 10:57:47.157
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 22): 05/16/06 10:57:47 AM
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 23): 2006-05-16
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 24): 10:57:47
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 25): 2006-05-16 10:57:47.250
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 100): 05 16 2006 10:57AM
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 101): 05/16/2006
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 102): 2006.05.16
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 103): 16/05/2006
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 104): 16.05.2006
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 105): 16-05-2006
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 106): 16 05 2006
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 107): 05 16, 2006
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 108): 10:57:49
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 109): 05 16 2006 10:57:49:437AM
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 110): 05-16-2006
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 111): 2006/05/16
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 112): 20060516
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 113): 16 05 2006 10:57:49:513
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 114): 10:57:49:547
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 120): 2006-05-16 10:57:49
http://www.cnblogs.com/Images/OutliningIndicators/None.gifSELECT CONVERT(varchar(100), GETDATE(), 121): 2006-
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