[转]SQL Server - Date and Time Functions In the previous articles in this series, I introduced you to aggregate and system-related functions. This article continues to explore various types of built-in functions. I will walk you through the most useful functions that fall into date and time,...
Transact-SQL derives all system date and time values from the operating system of the computer on which the instance of SQL Server runs. Higher-precision system date and time functions Since SQL Server 2008 (10.0.x), the Database Engine derives the date and time values through use of the ...
Transact-SQL derives all system date and time values from the operating system of the computer on which the instance of SQL Server runs. Higher-precision system date and time functions Since SQL Server 2008 (10.0.x), the Database Engine derives the date and time values through use of ...
Transact-SQL 从运行 SQL Server 实例的计算机的操作系统派生所有系统日期和时间值。 精度较高的系统日期和时间函数 自SQL Server 2008 (10.0.x) 起,数据库引擎使用 GetSystemTimeAsFileTime() Windows API 派生日期和时间值。 精确度取决于运行 SQL Server 实例的计算机硬件和 Windows 版本。 此 API 的精确度固定...
Returns a datetime2(7) value that contains the date and time of the computer on which the instance of SQL Server is running. The date and time is returned as UTC time (Coordinated Universal Time). datetime2(7) Nondeterministic Lower-Precision System Date and Time Functions Expand table Fun...
(4)日期格式与语言有关系,如中英文日期格式不同,sql server 将日期字符串转换成日期时,基于会话的有效语言转换 (5)convert(datetime, '02/12/2007' ,101)显式转换字符串常量,第3个参数中指定一个代表所使用格式的数字、网上有编码与格式的映射表格(The Cast and Convert Functions) ...
Here, the function adds1to themonthpart of the date2022-08-31. Notes: TheGETDATE(),DATEDIFF(), andDATEADD()functions are not supported by our online editor as it is based on SQLite. Although we've only discussed a few functions used in SQL Server, there are several other functions used...
❮Previous❮ SQL Server FunctionsNext❯ ExampleGet your own SQL Server Return the date and time of the SQL Server: SELECTSYSDATETIME()ASSysDateTime; Try it Yourself » Definition and Usage The SYSDATETIME() function returns the date and time of the computer where the SQL Server is runn...
❮ Previous ❮ SQL Server Functions Next ❯ ExampleGet your own SQL Server Return the current UTC date and time: SELECT GETUTCDATE(); Try it Yourself » Definition and UsageThe GETUTCDATE() function returns the current database system UTC date and time, in a 'YYYY-MM-DD hh:mm...
SELECT DATEADD(day, 30, signup_date) AS thirty_days_later FROM users; Copy DATEDIFF in Snowflake, MySQL, and PostgreSQL Although DATEDIFF is specific to SQL Server, similar functions are available in other database systems: Snowflake