摘要:
(1)MySQL使用 UPDATE hayl_service_info t1 left join hayl_Old_info t2 on t1.CERT_NO =t2.CERT_NO set t1.AAP0112 = t2.ADDRESS where t1.AAP0112='' (2)SQL Ser 阅读全文
摘要:
查询所有字段类型: select table_name,column_name,column_comment,data_type from information_schema.columns where table_name='查询表名称' and table_schema='数据库名称'; 修改 阅读全文