查询数据库表名,数据表信息,MySQL Key值(PRI, UNI, MUL)的含义
作者:互联网
数据表名:
SELECT TABLE_NAME FROM information_schema.`TABLES` WHERE TABLE_SCHEMA ='v53' AND TABLE_TYPE ='BASE TABLE'
数据表信息:
SELECT COLUMN_NAME ,IS_NULLABLE ,COLUMN_TYPE,COLUMN_KEY FROM information_schema.`COLUMNS` WHERE TABLE_SCHEMA ='v53' AND TABLE_NAME ='bi_user_info';
MySQL Key值(PRI, UNI, MUL)的含义:
PRI主键约束 UNI唯一约束 MUL可以重复
标签:COLUMN,查询数据库,PRI,UNI,数据表,TABLE,MUL 来源: https://www.cnblogs.com/cheyunhua/p/16257033.html