1.PRIMARY KEY(主键索引)
mysql>ALTER TABLE `table_name` ADD PRIMARY KEY ( `column` )
2.UNIQUE(唯一索引)
mysql>ALTER TABLE `table_name` ADD UNIQUE (`column` )
3.INDEX(普通索引)
mysql>ALTER TABLE `table_name` ADD INDEX index_name ( `column` )
4.FULLTEXT(全文索引)
mysql>ALTER TABLE `table_name` ADD FULLTEXT ( `column` )
5.多列索引
mysql>ALTER TABLE `table_name` ADD INDEX index_name ( `column1`, `column2`, `column3` )
如添加普通索引:ALTER TABLE `table_name` ADD INDEX(name) ;
原文地址:https://www.cnblogs.com/fanjp666888/p/8214634.html
时间: 2024-11-07 21:30:41