登錄數據庫: mysql -u root -p 回車輸入數據庫密碼
執行數據庫腳本:source /opt/cnip.sql
字符串連接: concat(n1,n2,......)
導出數據庫:sqldump -u root -p cnip > /opt/cnip.sql,回車後輸入數據庫密碼
導出查詢結果:select * from cnip t where t.enable_flag = 'T' limit 0,50 into outfile '/opt/rh/cnip.sql';
如果出現異常:Can't create/write to file '/opt/rh/cnip.sql' (Errcode: 13 - Permission denied)
chmod 777 rh授權所有權限