Server System Variables The maximum length of the word to be included in a  MyISAM FULLTEXT  index. FULLTEXT  indexes on  MyISAM  tables must be rebuilt after changing this variable. Use  REPAIR TABLE  tbl_name  QUICK . The minimum length of the word to be included in a  MyISAM FULLTEXT  index. FULLTEXT  indexes on  MyISAM  tables must be rebuilt after changing this variable. Use  REPAIR TABLE  tbl_name  QUICK . The number of top matches to use for full-text searches performed using  WITH QUERY EXPANSION . 802 • ft_stopword_file • ft_query_expansion_limit • ft_min_word_len Note Note Command-Line Format --ft-query-expansion-limit=# System Variable ft_query_expansion_limit Scope Global Dynamic No SET_VAR  Hint Applies No Type Integer Default Value 20 Minimum Value 0 Maximum Value 1000 Command-Line Format --ft-stopword-file=file_name System Variable ft_stopword_file Scope Global Dynamic No SET_VAR  Hint Applies No Command-Line Format --ft-min-word-len=# System Variable ft_min_word_len Scope Global Dynamic No SET_VAR  Hint Applies No Type Integer Default Value 4 Minimum Value 1 Minimum Value 10