[System.Data.Entity.DbFunction("SqlServer", "CURRENT_TIMESTAMP")] public static Nullable<DateTime> CurrentTimestamp(); 傳回 Nullable<DateTime> 目前日期和時間。 屬性 DbFunctionAttribute 適用於 產品版本 Entity Framework 6.2.0 在GitHub 上與我們共同作業 您可以在 GitHub 上找到此內容的來源,在其中...
The CURRENT_TIMESTAMP function returns the current date and time, in a 'YYYY-MM-DD hh:mm:ss.mmm' format.Tip: Also look at the GETDATE() function.SyntaxCURRENT_TIMESTAMPTechnical DetailsWorks in: SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data...
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_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_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...
current_timestamp() ,current_timestamp,localtime() ,localtime ,localtimestamp — (v4.0.6) ,localtimestamp() — (v4.0.6) 这些日期时间函数,都等同于 now()。鉴于 now() 函数简短易记,建议总是使用 now() 来替代上面列出的函数。 1.2 获得当前日期+时间(date + time)函数:sysdate() ...
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) ...
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_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...
// 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 ...