Mysql添加索引(phpMyadmin) [提升搜尋速度]
Mysql添加索引(phpMyadmin) [提升搜尋速度]
資料來源:https://blog.csdn.net/zhengxiaojunkite/article/details/46484991
GITHUB收藏: https://github.com/jash-git/Jash-good-idea-20181127-001
SQL 語法:
建立:
CREATE INDEX indexName ON mytable(username(length));
刪除:
DROP INDEX [indexName] ON mytable;
phpMyadmin方法: