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CURRENT_TIMESTAMP (Transact-SQL)

 

Applies To: SQL Server 2014, SQL Server 2016 Preview

Returns the current database system timestamp as a datetime value without the database time zone offset. This value is derived from the operating system of the computer on which the instance of SQL Server is running.

System_CAPS_noteNote

SYSDATETIME and SYSUTCDATE have more fractional seconds precision than GETDATE and GETUTCDATE. SYSDATETIMEOFFSET includes the system time zone offset. SYSDATETIME, SYSUTCDATE, and SYSDATETIMEOFFSET can be assigned to a variable of any of the date and time types.

This function is the ANSI SQL equivalent to GETDATE.

For an overview of all Transact-SQL date and time data types and functions, see Date and Time Data Types and Functions.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database, Azure SQL Data Warehouse Public Preview.

Topic link icon Transact-SQL Syntax Conventions


CURRENT_TIMESTAMP

 

Takes no arguments.

datetime

Transact-SQL statements can refer to CURRENT_TIMESTAMP anywhere they can refer to a datetime expression.

CURRENT_TIMESTAMP is a nondeterministic function. Views and expressions that reference this column cannot be indexed.

The following examples use the six SQL Server system functions that return current date and time to return the date, the time, or both. The values are returned in series so their fractional seconds might differ.

SELECT SYSDATETIME()
    ,SYSDATETIMEOFFSET()
    ,SYSUTCDATETIME()
    ,CURRENT_TIMESTAMP
    ,GETDATE()
    ,GETUTCDATE();
/* Returned:
SYSDATETIME()      2007-04-30 13:10:02.0474381
SYSDATETIMEOFFSET()2007-04-30 13:10:02.0474381 -07:00
SYSUTCDATETIME()   2007-04-30 20:10:02.0474381
CURRENT_TIMESTAMP  2007-04-30 13:10:02.047
GETDATE()          2007-04-30 13:10:02.047
GETUTCDATE()       2007-04-30 20:10:02.047

SELECT CONVERT (date, SYSDATETIME())
    ,CONVERT (date, SYSDATETIMEOFFSET())
    ,CONVERT (date, SYSUTCDATETIME())
    ,CONVERT (date, CURRENT_TIMESTAMP)
    ,CONVERT (date, GETDATE())
    ,CONVERT (date, GETUTCDATE());

/* Returned 
SYSDATETIME()      2007-05-03
SYSDATETIMEOFFSET()2007-05-03
SYSUTCDATETIME()   2007-05-04
CURRENT_TIMESTAMP  2007-05-03
GETDATE()          2007-05-03
GETUTCDATE()       2007-05-04
*/

SELECT CONVERT (time, SYSDATETIME())
    ,CONVERT (time, SYSDATETIMEOFFSET())
    ,CONVERT (time, SYSUTCDATETIME())
    ,CONVERT (time, CURRENT_TIMESTAMP)
    ,CONVERT (time, GETDATE())
    ,CONVERT (time, GETUTCDATE());

/* Returned
SYSDATETIME()      13:18:45.3490361
SYSDATETIMEOFFSET()13:18:45.3490361
SYSUTCDATETIME()   20:18:45.3490361
CURRENT_TIMESTAMP  13:18:45.3470000
GETDATE()          13:18:45.3470000
GETUTCDATE()       20:18:45.3470000
*/

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