摘要:
oracle : SELECT * FROM TAB WHERE TNAME='"+tableName+"' 查询一个表名是否存在 mysql SELECT * FROM information_schema.tables WHERE table_schema = 'your_database_na 阅读全文
摘要:
问题:启动systemctl start mysqld.serviceJob for mysqld.service failed because the control process exited with error code.See "systemctl status mysqld.servi 阅读全文