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SQL Server FAQ - Entering Date and Time Literals

By: FYIcenter.com

(Continued from previous topic...)

How To Enter Date and Time Literals?

Date and time literals are entered as character strings enclosed in single quotes ('). The string must in one of the recognizable data and time formats. Some of the most commonly used formats are given in the following tutorial exercise:

-- Default format for query output
DECLARE @x DATETIME;
SET @x = '2007-05-19 22:55:07.233';
SELECT @x;
GO
2007-05-19 22:55:07.233

-- Default for string print output 
DECLARE @x DATETIME;
SET @x = 'May 19 2007 10:55PM';
SELECT @x;
GO
2007-05-19 22:55:00.000

-- Europe default format
DECLARE @x DATETIME;
SET @x = '19-May-2007 22:55:07.233';
SELECT @x;
GO
2007-05-19 22:55:07.233

-- ISO8601 standard format
DECLARE @x DATETIME;
SET @x = '2007-05-19T22:55:07.233';
SELECT @x;
GO
2007-05-19 22:55:07.233

(Continued on next topic...)

  1. What Is a Constant or Literal?
  2. How To Write Character String Constants or Literals?
  3. What Is a Collation?
  4. How To Specify the Collation for a Character Data Type?
  5. What Happens If Strings Are Casted into Wrong Code Pages?
  6. How To Find Out What Is the Default Collation in a Database?
  7. How Fixed Length Strings Are Truncated and Padded?
  8. How To Enter Unicode Character String Literals?
  9. How To Enter Binary String Literals?
  10. How To Enter Date and Time Literals?
  11. Why I Can Not Enter 0.001 Second in Date and Time Literals?
  12. What Happens If Date-Only Values Are Provided as Date and Time Literals?
  13. What Happens If Time-Only Values Are Provided as Date and Time Literals?
  14. What Are Out-of-Range Errors with Date and Time Literals?
  15. What Happens If an Integer Is Too Big for INT Date Type?
  16. How Extra Digits Are Handled with NUMERIC Data Type Literals?
  17. How REAL and FLOAT Literal Values Are Rounded?
  18. What Are the Underflow and Overflow Behaviors on FLOAT Literals?

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