标签:
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` )
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原文地址:http://www.cnblogs.com/cp-miao/p/5779542.html