很文技术博客MySQL 创建索引(Create Index)的方法和语法结构及例子
CREATE INDEX Syntax
CREATE [UNIQUE|FULLTEXT|SPATIAL] INDEX index_name
[index_type]
ON tbl_name (index_col_name,…)
[index_type]
index_col_name:
col_name [(length)] [ASC | DESC]
index_type:
USING {BTREE | HASH | RTREE}
- — 创建无索引的表格
- create table testNoPK (
- id int not null,
- name varchar(10)
- );
- — 创建普通索引
- create index IDX_testNoPK_Name on testNoPK (name);
