mysql的循環語句問題
問題描述
要多次的執行一個select操作,就想著用循環來實現,在網上查了一些內容,顯示的做法都是差不多的,就是總是提示語言錯誤,很是郁悶,各位大俠幫忙看看,要怎么改才可以。mysql數據庫、navicat客戶端。mysql循環的操作語句:
procedure pro10()begindeclare i int; set i=0; while i<5 do select * from gamechannel where status=i GROUP BY gameId ; set i=i+1; end while;end;
錯誤信息:[SQL] procedure pro10()begindeclare i int;[Err] 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ’procedure pro10()begindeclare i int’ at line 1
問題解答
回答1:你這是再寫存儲過程嗎?1.創建存儲過程DELIMITER $$create procedure pro10()begindeclare i int; set i=0; while i<5 do
select * from gamechannel where status=i GROUP BY gameId ; set i=i+1;
end while;end;$$
2.調用call pro10()
相關文章:
1. boot2docker無法啟動2. 關docker hub上有些鏡像的tag被標記““This image has vulnerabilities””3. docker-compose中volumes的問題4. docker安裝后出現Cannot connect to the Docker daemon.5. nignx - docker內nginx 80端口被占用6. java - SSH框架中寫分頁時service層中不能注入分頁類7. javascript - mock.js可以存儲數據嗎8. docker api 開發的端口怎么獲取?9. docker images顯示的鏡像過多,狗眼被亮瞎了,怎么辦?10. golang - 用IDE看docker源碼時的小問題

網公網安備