以下是 `current_date` 在 SQL Server 中的一些基本用法: 1. **获取当前日期**: ```sql SELECT current_date; ``` 这将返回当前的日期。 2. **与日期格式化结合使用**: 如果你想以特定的格式显示日期,可以使用 `CONVERT` 函数。例如,要获取当前日期并以 "YYYY-MM-DD" 的格式显示: ```sql SELECT ...
一旦成功连接到数据库,我们可以执行SQL查询语句。在本例中,我们将使用SELECT语句查询当前时间。 以下是查询当前时间的SQL语句: SELECTGETDATE()ASCurrentDateTime; 1. 代码解释: SELECT: 用于选择查询结果。 GETDATE(): 内置函数,用于获取当前日期和时间。 AS CurrentDateTime: 别名,用于将查询结果列的名称设置为"Cur...
❮Previous❮ SQL Server FunctionsNext❯ ExampleGet your own SQL Server Return the current date and time: SELECTCURRENT_TIMESTAMP; Try it Yourself » Definition and Usage The CURRENT_TIMESTAMP function returns the current date and time, in a 'YYYY-MM-DD hh:mm:ss.mmm' format. ...
Applies to: Azure SQL Database Azure SQL Managed Instance In Azure SQL Database and Azure SQL Managed Instance, this function returns the current database system date as a date value, without the database time and time zone offset. CURRENT_DATE derives this value from the underlying operating...
ExampleGet your own SQL Server Return the current date: SELECT CURRENT_DATE(); Try it Yourself » Definition and UsageThe CURRENT_DATE() function returns the current date.Note: The date is returned as "YYYY-MM-DD" (string) or as YYYYMMDD (numeric)....
WITH //Creates a set of tuples consisting of all Calendar Years crossjoined with //all Product Categories SET MyTuples AS CROSSJOIN( [Date].[Calendar Year].[Calendar Year].MEMBERS, [Product].[Category].[Category].MEMBERS) //Iterates through each tuple in the set and returns the name of...
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...
DATE_FORMAT() Takes date-time input and returns date in a user defined format. HOUR() Extracts the hour from time DAY() Extracts the day from date SQL Server date and time functions FunctionDescription GETDATE() Returns the current date and time DATEPART() Returns part of the date DATEDIFF...
SELECT date_part('[which_part_you_need]',(SELECT current_timestamp)); It’s an SQL function within an SQL function. (At least, in our specific case — when we work with the current date/time.) date_parttakes two arguments: '[which_part_you_need]' ...
Bug #12765 CURRENT_DATE function can not be used as a DEFAULT value for a column Submitted: 23 Aug 2005 22:54Modified: 24 Aug 2005 11:05 Reporter: Andrija Email Updates: Status: Not a Bug Impact on me: None Category: MySQL ServerSeverity: S4 (Feature request) Version: lastOS: ...