Mysql中查询查询 包含X字段所有的表
SELECT TABLE_NAME '表名',TABLE_SCHEMA '数据库名',ORDINAL_POSITION '顺序',COLUMN_NAME '字段',DATA_TYPE '类型' ,CHARACTER_OCTET_LENGTH '字节长',IF(COLUMN_KEY='PRI',"√","") '主键',IF(EXTRA='auto_increment',"√","") '自增长' ,IF(IS_NULLABLE='YES',"√","") '空',CHARACTER_SET_NAME '编码',COLUMN_DEFAULT '默认值',COLUMN_COMMENT '说明' FROM information_schema.COLUMNS WHERE COLUMN_NAME='merchantpk' and TABLE_SCHEMA='du_base'