SELECTFORMAT( GETDATE(),'dd','en-US')ASResult; SELECTFORMAT( GETDATE(),'MM/dd/yyyy','en-US')ASResult; DATEFROMPARTS# 将数值拼接为字符串 实例: SELECTDATEFROMPARTS(2012,3,10)ASRESULT; SELECTTIMEFROMPARTS(12,10,32,0,0)ASRESULT; SELECTDATETIME2FROMPARTS (2012,3,10,12,10,32,0,0)AS...
SOME OTHER SQL DATE/TIME RELATED FUNCTIONS GETDATE() GETUTCDATE() SYSDATETIME() SYSUTCDATETIME() SYSUTCDATETIMEOFFSET() DATEADD(datepart,NUMBER,date) DATEADIFF(datepart, startdate,enddate) TODATETIMEOFFSET(datetime2,tzoffset) SWITCHOFFSET(datetimeoffset,tzoffest) ISDATE(expression) Adding to this -...
pg_sleep. For more information, see Date/Time Functions and Operators in the PostgreSQL documentation. IF… ELSE Conditional flow control. Conditional flow control. WHILE Continue running while condition is true. Continue running while condition is true. For mor...
DATEPART() 函数,返回指定日期和时间值的指定datepart 的整数。语法(Syntax): DATEPART(datepart,date)。第一个参数可以参考
T-SQL DATEPART() Functions DATEPART()函数,返回指定日期和时间值的指定datepart的整数。 语法(Syntax): DATEPART(datepart,date)。 第一个参数可以参考下表;而第二个参数传入(日期或时间)值的一部分。 datepart 演示: SELECTDATEPART(quarter,CURRENT_TIMESTAMP)AS[今年第几季度]...
Aggregate Window Functions<OVER_CLAUSE>::=OVER([PARTITIONBYvalue_expression,...[n]]) PARTITION BY 将结果集分为多个分区。开窗函数分别应用于每个分区,并为每个分区重新启动计算。 value_expression 指定对相应 FROM 子句生成的行集进行分区所依据的列。value_expression 只能引用通过 FROM 子句可用的列。value_...
Moreover, T-SQL includes string operations and date and time processing. This popular and widely used database language is mainly used in and ultimately makes creating, modifying, and retrieving data more efficient. Deterministic Vs. Non-Deterministic Functions Transact-SQL functions can be ...
DATETIMEOFFSET()', CONVERT (date, SYSDATETIMEOFFSET()); SELECT 'SYSUTCDATETIME() ', CONVERT (date, SYSUTCDATETIME()); SELECT 'CURRENT_TIMESTAMP ', CONVERT (date, CURRENT_TIMESTAMP); SELECT 'GETDATE() ', CONVERT (date, GETDATE()); SELECT 'GETUTCDATE() ', CONVERT (date, GETUTCDATE(...
SELECT SYSDATETIME() AS [SYSDATETIME()] ,SYSDATETIMEOFFSET() AS [SYSDATETIMEOFFSET()] ,SYSUTCDATETIME() AS [SYSUTCDATETIME()] ,CURRENT_TIMESTAMP AS [CURRENT_TIMESTAMP] ,GETDATE() AS [GETDATE()] ,GETUTCDATE() AS [GETUTCDATE()]; 結果集如下所示。 複製 SYSDATETIME() 2007-04-30 ...
A Microsoft extension to the ANSI SQL language that includes procedural programming, local variables, and various support functions. 4,534 questions Sign in to follow 3 comments Hide comments for this question Report a concern I have the same question 0 {count} votes Miiimy7 41 Reputation...