The CURRENT_TIMESTAMP function returns the current date and time, in a 'YYYY-MM-DD hh:mm:ss.mmm' format. Tip:Also look at theGETDATE()function. Syntax CURRENT_TIMESTAMP Technical Details Works in:SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Dat...
SqlFunctions.CurrentTimestamp 方法 參考 定義 命名空間: System.Data.Entity.SqlServer 組件: EntityFramework.SqlServer.dll 傳回目前的日期和時間。 C# [System.Data.Entity.DbFunction("SqlServer","CURRENT_TIMESTAMP")]publicstaticNullable<DateTime>CurrentTimestamp(); ...
CURRENT_TIMESTAMPis a nondeterministic function. Views and expressions that reference this column cannot be indexed. Examples These examples use the six SQL Server system functions that return current date and time values, to return the date, the time, or both. The examples return the values in...
current_date() ,current_date 3. 获得当前时间(time)函数:curtime() mysql>selectcurtime();+———–+|curtime()|+———–+|21:00:11|+———–+ 其中,下面的两个时间函数等同于 curtime(): current_time() ,current_time 4. 获得当前 UTC 日期时间函数:utc_date(), utc_time(), utc_timestam...
date_format(current_timestamp(),'yyyyMMdd'); --推荐使用selectunix_timestamp('2011-12-07 13:01:03')fromdual;selectunix_timestamp('20111207 13:01:03','yyyyMMdd HH:mm:ss')fromdual; 日期增加函数: date_add语法: date_add(stringstartdate,intdays) ...
CURRENT_TIMESTAMP is a nondeterministic function. Views and expressions that reference this column cannot be indexed. Date functions can be used in the SELECT statement select list or in the WHERE clause of a query. In designing a report, CURRENT_TIMESTAMP can be used to print the current da...
// 方法一:使用current_timestamp()函数mysql> select current_timestamp();+---+| current_timestamp() |+---+| 2022-06-30 12:58:54 |+---+1 row in set (0.00 sec)// 方法二:使用now()函数mysql> select now();+---+| now() |+---+| 2022-06-30 12:59:48 |+---+1 row in ...
UNIX_TIMESTAMP(GETUTCDATE(3)) AS ExplicitUTC 1652164931 1652164931 以下示例返回当前本地日期和时间的本地UNIX时间戳,以及UTC日期和时间值的UTCUNIX时间戳。第一个选择项指定本地CURRENT_TIMESTAMP,第二个指定$HOROLOG(本地日期和时间),第三个指定当前UTC日期和时间: ...
CURRENT_TIMESTAMP:返回当前日期和时间。 这些函数可以用于在插入或更新数据时,记录下更新或插入的日期和时间信息。例如,我们可以使用以下语句插入一个带有时间戳的数据: INSERTINTOtable_name(column1, column2, timestamp_column)VALUES(value1, value2,CURRENT_TIMESTAMP); ...
CURRENT_TIME INTERVAL string range Table API:STRING.toDate STRING.toTimestamp currentTime()NUMERIC.days NUMERIC.minutes 6. 聚合函数 SQL:COUNT(*)SUM([ ALL | DISTINCT ] expression)RANK()ROW_NUMBER()Table API:FIELD.count FIELD.sum0 二、UDF 用户定义函数(User-defined Functions,UDF)是一个...