# 全文索引 Shop 表的部分字段如下: ```sql create table shop ( id int primary key auto_increment, description varchar(8000) -- ... ) ``` 现在 Joe 要给 description 字段加上全文索引,他应该怎么做?
点击进入[MySQL实战练习环境](https://mydev.csdn.net/product/pod/new?image=cimg-centos7-skilltreemysql&connect=auto&create=auto&utm_source=skill){target="_blank"}。 * `show databases;` 列出所有数据库 * `show tables;` 列出所有表 ## 答案 ```sql alter table shop add fulltext(description); ``` ## 选项 ### A ```sql alter table shop add index fulltext(description); ``` ### B ```sql alter table shop create fulltext(description); ``` ### C ```sql alter table shop alter description add fulltext(description); ```