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Concept visual
Start at both ends
Search for "3" in string "W3Schools.com", and return position:
SELECT LOCATE("3", "W3Schools.com") AS MatchPosition;The LOCATE() function returns the position of the first occurrence of a substring in a string. If the substring is not found within the original string, this function returns 0.
Formula
This function performs a case - insensitive search.This function is equal to the POSITION() function.
substring, string, start )
Required. The substring to search for in string string Required. The string that will be searched start Optional. The starting position for the search. Position 1 is default
From MySQL 4.0
Search for "com" in string "W3Schools.com" (start at position 3), and return position:
SELECT LOCATE("com", "W3Schools.com", 3) AS MatchPosition;Search for "a" in CustomerName column, and return position:
SELECT LOCATE("a", CustomerName)
FROM Customers;❮ MySQL Functions