Difference between revisions of "SQL Date operators"
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|valign="top"|<nowiki>+</nowiki>||valign="top"|Date||valign="top"|Numeric||Adds the <expression2> number of days to the date and returns a date | |valign="top"|<nowiki>+</nowiki>||valign="top"|Date||valign="top"|Numeric||Adds the <expression2> number of days to the date and returns a date | ||
|- | |- | ||
| − | |valign="top|<nowiki>-</nowiki>||valign="top"|Date||valign="top"|Numeric||Subtracts the <expression2> number of days from the date and returns a date | + | |valign="top"|<nowiki>-</nowiki>||valign="top"|Date||valign="top"|Numeric||Subtracts the <expression2> number of days from the date and returns a date |
|- | |- | ||
|valign="top"|<nowiki>-</nowiki>||valign="top"|Date||valign="top"|Date||Returns a numeric signifying the number of days between the two dates. If <expression2> is later, a negative number is returned | |valign="top"|<nowiki>-</nowiki>||valign="top"|Date||valign="top"|Date||Returns a numeric signifying the number of days between the two dates. If <expression2> is later, a negative number is returned | ||
Revision as of 13:47, 21 January 2013
Contents
Purpose
Date operators
Syntax
<expression1> operator <expression2>[ operator <expression3>…]
See Also
INSERT, SQL OPERATORS, SELECT, UPDATE
Description
Operators used with Date expressions and Date/Numeric expressions:
| Operator | Expression1 | Expression2 | Operation |
|---|---|---|---|
| + | Date | Numeric | Adds the <expression2> number of days to the date and returns a date |
| - | Date | Numeric | Subtracts the <expression2> number of days from the date and returns a date |
| - | Date | Date | Returns a numeric signifying the number of days between the two dates. If <expression2> is later, a negative number is returned |
Example
SELECT account_no, ord_date – rec_date as "Delivery Delay"; FROM accounts; ORDER BY account_no
