Difference between revisions of "SQL String operators"
From Lianjapedia
Helen.george (Talk | contribs) |
Helen.george (Talk | contribs) |
||
| Line 11: | Line 11: | ||
Operators used with Character expressions: | Operators used with Character expressions: | ||
| − | {| class="wikitable" width=100% | + | {| class="wikitable" width="100%" |
!Operator||Operation | !Operator||Operation | ||
|- | |- | ||
Latest revision as of 11:37, 30 January 2013
Contents
Purpose
String operators
Syntax
<expression1> operator <expression2>[ operator <expression3>…]
See Also
INSERT, OPERATORS, SELECT, UPDATE
Description
Operators used with Character expressions:
| Operator | Operation |
|---|---|
| || | Concatenate the <expression2> to the end of the <expression1> string |
| + | Concatenate the <expression2> to the end of the <expression1> string |
| - | The <expression1> string is trimmed of trailing spaces, the <expression2> string is concatenated to the end of the <expression1> string and the previously trimmed spaces concatenated to the end of the <expression2> string |
Example
SELECT trim(title) || ’ ’ || last_name as "Full Name"; FROM customers; ORDER BY last_name
