GETDATE() and GETUTCDATE() both return the current date and time. However, GETUTCDATE() returns the current Universal Time Coordinate (UTC) time, whereas GETDATE() returns the date and time on the computer where SQL Server is running. By the way, GETUTCDATE() does not have any magic...
1、DATE_ADD(date,INTERVAL expr type) 向日期添加指定的时间间隔; date: 参数是合法的日期表达式 expr: 参数是您希望添加的时间间隔 type:时间单位 2、TIMESTAMPDIFF(unit,time1,time2) 返回指定时间单位的 时间差 unit:单位 time1:时间1 time2:时间2 3、DATEDIFF(time1,time2) 返回2个时间的间隔天数 4、...
Functions that return system date and time values 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 ...
public java.lang.String getTimeDateFunctions() 返回值 包含时间和日期函数的列表的 String。 例外 SQLServerException 备注 此getTimeDateFunctions 方法是由 java.sql.DatabaseMetaData 接口中的 getTimeDateFunctions 方法指定的。 另请参阅 SQLServerDatabaseMetaData 方法 SQLServerDatabas...
CURRENT_TIMESTAMPCURRENT_TIMESTAMP返回包含计算机的日期和时间的 datetime 值,SQL Server 的实例在该计算机上运行。 返回值不包括时区偏移量。datetime不具有确定性 GETDATEGETDATE ( )返回包含计算机的日期和时间的 datetime 值,SQL Server 的实例在该计算机上运行。 返回值不包括时区偏移量。datetime不具有确定性 ...
Functions that return system date and time values 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...
Although DATEDIFF is specific to SQL Server, similar functions are available in other database systems: Snowflake Snowflake’s DATEDIFF function has the same syntax as SQL Server: SELECT DATEDIFF(datepart, startdate, enddate) FROM table_name; ...
like MySQL, ORACLE, and MS SQL Server. SQL Date functions that expect date values usually accept DateTime values and ignore the time part. Hence we need to learn different types and versions of SQL Time Functions which expect time values usually accept DateTime values and ignore the date part...
selectcount(casewhen rn=1then task_idelsenullend)task_numfrom(select task_id,row_number()over(partition by task_id order by start_time)rn from Task)tmp; 此外,再借助一个表 test 来理理 distinct 和 group by 在去重中的使用: 代码语言:javascript ...
The GETUTCDATE() function returns the current database system UTC date and time, in a 'YYYY-MM-DD hh:mm:ss.mmm' format.SyntaxGETUTCDATE()Technical DetailsReturn type: datetime Works in: SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data ...