Latest revision as of 20:37, 22 October 2012

LEFT

LEFT(s,n) allows you to extract n characters from the start of the string s.

   LEFT('Hello world', 4) -> 'Hell'     

SELECT name,
       SUBSTRING(name, 1, 3)
  FROM bbc

SELECT name,
       SUBSTR(name, 1, 3)
  FROM bbc

SELECT name,
       LEFT(name, 3)
  FROM bbc

See also

• SUBSTRING function
• RIGHT function
• POSITION function