Difference between revisions of "SQL Date operators"
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Operators used with Date expressions and Date/Numeric expressions: | Operators used with Date expressions and Date/Numeric expressions: | ||
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!Operator||Expression1||Expression2||Operation | !Operator||Expression1||Expression2||Operation | ||
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− | |<nowiki>+</nowiki>||Date||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 |
|- | |- | ||
− | |<nowiki>-</nowiki>||Date||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 |
|- | |- | ||
− | |<nowiki>-</nowiki>||Date||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 12:50, 18 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