You can use theDATEDIFFandGROUP BYas follows:
考虑: ((DATEPART(HOUR, getdate()) 9 到 15 之间) 或 (DATEPART(HOUR, getdate())= 15 且 (DATEPART(MINUTE, getdate()) 00 到 30 之间))) 以上是用于获取之间数据的查询...
Week Wk ww 周,一年中的第几周 0 ~ 51 Hour Hh h 时0 ~ 23 Minute Mi n 分钟0 ~ 59 Second Ss s 秒 0 ~ 59 Millisecond Ms - 毫秒 0 ~ 999 举例: 1.GetDate() 用于sql server:select GetDate() 2.DateDiff('s','2005-07-20','2005-7-25 22:56:32')返回值为 514592 秒 DateDiff('...
SQL_DL_SQL92_INTERVAL_HOURSQL_DL_SQL92_INTERVAL_MINUTESQL_DL_SQL92_INTERVAL_SECONDSQL_DL_SQL92_INTERVAL_YEAR_TO_MONTHSQL_DL_SQL92_INTERVAL_DAY_TO_HOURSQL_DL_SQL92_INTERVAL_DAY_TO_MINUTESQL_DL_SQL92_INTERVAL_DAY_TO_SECONDSQL_DL_SQL92_INTERVAL_HOUR_TO_MINUTESQL_DL_SQL92_INTERVAL_HOUR_TO_...
是指定应返回的日期部分的参数。下表列出了 Microsoft® SQL Server™ 识别的日期部分 和缩写。 日期部分 缩写 year yy, yyyy quarter qq, q month mm, m dayofyear dy, y day dd, d week wk, ww weekday dw Hour hh minute mi, n second ss, s ...
SQL数据库中getDate()函数作用是获取系统当前时间。语法功能 功 能: GETDATE() 函数从 SQL Server 返回当前的时间和日期。列：SELECT GETDATE() AS CurrentDateTime
1、定义：GETDATE() 函数从 SQL Server 返回当前的时间和日期。2、语法：CONVERT(data_type(length),data_to_be_converted,style)data_type(length) 规定目标数据类型（带有可选的长度）。data_to_be_converted 含有需要转换的值。style 规定日期/时间的输出格式。3、例子：select getdate() as ...
Hour Minute Second Millisecond Microsecond Nanosecond TZoffset ISO_WEEK Each date-time part has its abbreviation which can also be used to return the same output. Here, I will use the SQL Server GETDATE function as a specified date for these functions to return various parts or portions of da...
SQL_DL_SQL92_INTERVAL_HOURSQL_DL_SQL92_INTERVAL_MINUTESQL_DL_SQL92_INTERVAL_SECONDSQL_DL_SQL92_INTERVAL_YEAR_TO_MONTHSQL_DL_SQL92_INTERVAL_DAY_TO_HOURSQL_DL_SQL92_INTERVAL_DAY_TO_MINUTESQL_DL_SQL92_INTERVAL_DAY_TO_SECONDSQL_DL_SQL92_INTERVAL_HOUR_TO_MINUTESQL_DL_SQL92_INTERVAL_HOUR_TO_...