mysql 重复约束_（2.10）Mysql之SQL基础——约束及主键重复处理
(2.10)Mysql之SQL基础——约束及主键重复处理关键词：mysql约束，批量插入数据主键冲突【1】查看索引： show index from table_name;【2】查看有约束的列：select * from information_schema.key_column_usagewhere table_schema= 'db_name' and table_name = 'table...
