Strings

Compatibility

s1 || s2
Engine	OK	Alternative
ingres	Yes
mysql	No	CONCAT(s1,s2)
oracle	Yes
postgres	Yes
sqlserver	No	s1 + s2

|| (strings)

|| allows you to stick two or more strings together.

This operation is concatenation.

   s1 || s2    

In this example you put the region and the name together for each country.

SELECT CONCAT(region,name)
  FROM bbc

SELECT region + name
  FROM bbc

SELECT region || name
  FROM bbc

See also

• SUBSTRING function
• TRIM function

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