sql中convert()函数【日期和字符串之间的转换】.doc

CONVERT(data_type,expression[,style])convert(varchar(10),字段名,转换格式) 说明:此样式一般在时间类型(datetime,smalldatetime)与字符串类型(nchar,nvarchar,char,varchar)相互转换的时候才用到. 语句 结果SELECT CONVERT(varchar(100), GETDATE(), 0) 07 15 2009 4:06PMSELECT CONVERT(varchar(100), GETDATE(), 1) 07/15/09SELECT CONVERT(varchar(100), GETDATE(), 2) 09.07.15SELECT CONVERT(varchar(100), GETDATE(), 3) 15/07/09SELECT CONVERT(varchar(100), GETDATE(), 4) 15.07.09SELECT CONVERT(varchar(100), GETDATE(), 5) 15-07-09SELECT CONVERT(varchar(100), GETDATE(), 6) 15 07 09SELECT CONVERT(varchar(100), GETDATE(), 7) 07 15, 09SELECT CONVERT(varchar(100), GETDATE(), 8) 16:06:26SELECT CONVERT(varchar(100), GETDATE(), 9) 07 15 2009 4:06:26:513PMSELECT CONVERT(varchar(100), GETDATE(), 10) 07-15-09SELECT CONVERT(varchar(100), GETDATE(), 11) 09/07/15SELECT CONVERT(varchar(100), GETDATE(), 12) 090715SELECT CONVERT(varchar(100), GETDATE(), 13) 15 07 2009 16:06:26:513SELECT CONVERT(varchar(100), GETDATE(), 14) 16:06:26:513SELECT CONVERT(varchar(100), GETDATE(), 20) 2009-07-15 16:06:26SELECT CONVERT(varchar(100), GETDATE(), 21) 2009-07-15 16:06:26.513SELECT CONVERT(varchar(100), GETDATE(), 22) 07/15/09 4:06:26 PMSELECT CONVERT(varchar(100), GETDATE(), 23) 2009-07-15SELECT CONVERT(varchar(100), GETDATE(), 24) 16:06:26SELECT CONVERT(varchar(100), GETDATE(), 25) 2009-07-15 16:06:26.513SELECT CONVERT(varchar(100), GETDATE(), 100) 07 15 2009 4:06PMSELECT CONVERT(varchar(100), GETDATE(), 101) 07/15/2009SELECT CONVERT(varchar(100), GETDATE(), 102) 2009.07.15SELECT CONVERT(varchar(100), GETDATE(), 103) 15/07/2009SELECT CONVERT(varchar(100), GETDATE(), 104) 15.07.2009SELECT CONVERT(varchar(100), GETDATE(), 105) 15-07-2009SELECT CONVERT(varchar(100), GETDATE(), 106) 15 07 2009SELECT CONVERT(varchar(100), GETDATE(), 107) 07 15, 2009SELECT CONVERT(varchar(100), GETDATE(), 108) 16:06:26SELECT CONVERT(varchar(100), GETDATE(), 109) 07 15 2009 4:06:26:513PM