How SOUNDEX() Works in MariaDB

In MariaDB, SOUNDEX() is a built-in string function that returns the Soundex string from a given string.

Soundex is a phonetic algorithm for indexing names by sound, as pronounced in English. If two words sound the same, they should have the same Soundex string. If two words sound similar, but not exactly the same, their Soundex string might look similar but not exactly the same.

The function accepts one argument: the string for which to return the Soundex string from.

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How POSITION() Works in MariaDB

In MariaDB, POSITION() is a built-in string function that returns the position of the first occurrence of a substring within another string. It’s part of ODBC 3.0.

POSITION(substr IN str) is a synonym for LOCATE(substr,str).

POSITION() is also similar to the INSTR() function, except that POSITION() uses the IN syntax, and that the argument order is reversed between these two functions.

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