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MySQL创建index示例_MySQL

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Jun 01, 2016 pm 01:40 PM

indextool

bitsCN.com
MySQL创建index示例环境：MySQL Sever 5.1 + MySQL命令行工具问题：创建索引 CREATE INDEX 语法： 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} 示例： [sql] -- 创建无索引的表 create table testIndex ( id int not null primary key, name varchar(10) ); -- 创建普通索引 create index IDX_test_testIndex _Name on testIndex(name); 说明：索引的命名最好采用此种方式：IDX_databaseName_tableName_columnName（IDX表示索引，databaseName表示数据库名，tableName表示表名，columnName表示字段名，如果Oracle下不存在数据库的概念，取而代之的是表空间，所以databaseName替换成用户名即可）。参考资料：MySQL里创建索引(Create Index)的方法和语法结构及例子http:///database/201209/155472.html bitsCN.com

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