MySQL creates index of Create Index methods and syntax structures and examples
- 2020-05-09 19:24:40
- OfStack
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}
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}
-- Create a table without an index
create table testNoPK (
id int not null,
name varchar(10)
);
-- Create a normal index
create index IDX_testNoPK_Name on testNoPK (name);