SQL Service 數據庫 基本操作 視圖 觸發器 遊標 存儲過程
阿新 • • 發佈:2017-11-23
使用 ice info -- commit use dea 聲明 事務
use NewTest1 ---聲明視圖--- create view NewViewte as select StudentInfo.name as 姓名,StudentInfo.sex as 性別,course.name as 課程 from StudentInfo join Course on StudentInfo.Cid= Course.id ---調用視圖 select * from NewViewte --- 聲明觸發器--- create trigger NewTri on ClassInfo for insert as print‘數據插入測試‘ go create trigger NewTri1 on ClassInfo for Delete as print‘數據刪除測試‘ go insert into ClassInfo Values(‘測試name‘,‘測試老師name‘) Delete from ClassInfo where id=7 create trigger NewTri11 on Course for insert as print‘數據插入測試‘ go create trigger NewTri111 on Course for Delete as print‘數據刪除測試‘ go --- 聲明遊標--- declare NewDeclare cursor for select * from StudentInfo where Cid=‘1‘ ---遊標使用--- ---打開遊標 open NewDeclare ---讀取數據 fetch 獲取 fetch Next from NewDeclare select * from StudentInfo where Cid=‘1‘ --- 關閉遊標 close NewDeclare --- 刪除遊標 deallocate 釋放 deallocate NewDeclare --- 創建存儲過程--- create proc NewProc @Cname Nvarchar(50), @TeacheName Nvarchar(50), @Name Nvarchar(50) as begin begin try begin tran insert into Course values(@Cname) insert into ClassInfo values(@Name,@TeacheName) commit tran end try begin catch --- 若捕獲到異常 ---則操作終止 回滾到最初 if @@TRANCOUNT>0 ---在SqlServer裏,嵌套事務的層次是由@@TranCount全局變量反映出來的 ---則操作終止 回滾到最初 begin rollback end end catch end exec NewProc @Cname=‘測試課程名‘,@TeacheName=‘測試老師名‘,@Name=‘測試名‘
SQL Service 數據庫 基本操作 視圖 觸發器 遊標 存儲過程