… is covering index, which store all needed columns in the index, and there is no need to read row data from the table. So – we can extend index `state_id_idx` (`state_id`) by two columns: ALTER TABLE userinfo DROP KEY state…
Post: InnoDB Full-text Search in MySQL 5.6 (part 1)
February 26, 2013 By 1 Comment
… table that has never had a full-text index on it, and then I create one, the following warning is generated: mysql> alter table… FT index by declaring a column called FTS_DOC_ID at table creation time of type BIGINT UNSIGNED NOT NULL with a unique index… adding and dropping FT indexes, it’s entirely possible to DROP multiple FT indexes with InnoDB in the same ALTER TABLE statement, but it…
