這篇文章主要介紹了sqlserver存儲過程創建和修改的實現代碼,需要的朋友可以參考下
打開SQL Server 2005的管理工具,選中需要創建存儲過程的數據庫,找到“可編程性”,展開后可以看到“存儲過程”。右鍵點擊它,選擇“新建存儲過程”,右側的編輯窗口打開了,里面裝著微軟自動生成的SQL Server創建存儲過程的語句。
將存儲過程的名字,參數,操作語句寫好后,點擊語法分析,沒有錯誤就直接“F5”運行就好了,存儲過程創建完畢,以下是一個基本的存儲過程的代碼:
?CREATE?PROCEDURE?Get_Data?? ??(?? ????@Dealer_ID?VARCHAR(<strong>50</strong>)?? ???)?? ???AS?? ?SELECT?*?FROM?myData?WHERE?Dealer_ID?=?@Dealer_ID
點擊查看實際例子
既然創建存儲過程已經會了,那么修改還會難嗎?顯然不會。修改存儲過程也是相當的容易。首先,刷新當前數據庫的存儲過程列表,這時就能看到你剛創建的存儲過程的名字了,右鍵點擊它,選擇修改,右側又打開了一個編輯窗口,裝著的就是修改存儲過程的代碼(如下)
?ALTER?PROCEDURE?[dbo].[Get_Data]?? ??(?? ????@Dealer_ID?VARCHAR(<strong>50</strong>)?? ???)?? ???AS?? ?SELECT?*?FROM?myData?WHERE?Dealer_ID?=?@Dealer_ID
簡單的修改下吧,代碼如下
ALTER?PROCEDURE?[dbo].[Get_Data]?? ??(?? ????@Dealer_ID?VARCHAR(<strong>50</strong>), ????@Period?VARCHAR(<strong>20</strong>) ???)?? ???AS?? ???SELECT?*?FROM?myData?WHERE?Dealer_ID?=?@Dealer_ID?AND?Period?=?@Period
F5 成功執行,修改存儲過程完成。
開始寫了一個存儲過程,用來實現數據的插入操作,說白了就是添加數據。這個存儲過程的代碼如下:
?CREATE?PROCEDURE?PROC_INSERT_DATA_ID ??@DealerID?varchar(<strong>50</strong>) ?AS ?BEGIN ?5?????DECLARE?@COUNT?INT?? ?????SET?@COUNT?=?(SELECT?COUNT(*)?FROM?myDATA_Details?WHERE?DealerID?=?@DealerID) ?????IF?(@COUNT><strong>0</strong>)?? ???????BEGIN?? ?????????DELETE?FROM?myDATA_Details?WHERE?DealerID?=?@DealerID?? ?????????INSERT?INTO?myDATA_Details?(DealerID)?VALUES?(@DealerID)?? ???????END?? ?????ELSE?? ???????BEGIN?? ?????????INSERT?INTO?myDATA_Details?(DealerID)?VALUES?(@DealerID)?? ???????END?? ???END ?--實際例子:http://hovertree.com/hovertreescj/sql/p_hovertreescj_urls_add.htm
F5一下,創建成功,調用它插入數據,OK,沒問題插入成功,達到了預期的目的
用于更新數據,代碼如下:
CREATE?PROCEDURE?PROC_INSERT_DATA_DETAIL ?????@DealerID?varchar(<strong>50</strong>),? ?????@FieldName?varchar(<strong>2000</strong>), ?????@FieldValue?varchar(<strong>2000</strong>) ???AS ???BEGIN ?????DECLARE?@Count?INT ?????SET?@Count?=?(SELECT?COUNT(*)?FROM?myDATA_Details?WHERE?DealerID?=?@DealerID) ?????IF?(@COUNT><strong>0</strong>) ???????BEGIN ?????????UPDATE?myDATA_Details?SET?DealValue?=?@FieldValue?WHERE?DealerID?=?@DealerID ???????END ?????ELSE ???????BEGIN ?????????INSERT?INTO?myDATA_Details?(DealerID)?VALUES?(@DealerID) ???????END ???END
或者:
修改后的代碼
?ALTER?PROCEDURE?PROC_INSERT_DATA_DETAIL ?????@DealerID?varchar(<strong>50</strong>),? ?????@FieldName?varchar(<strong>2000</strong>), ?????@FieldValue?varchar(<strong>2000</strong>) ???AS ???BEGIN ?????DECLARE?@Count?INT ?????DECLARE?@StrSQL?VARCHAR(<strong>2000</strong>) ?????SET?@Count?=?(SELECT?COUNT(*)?FROM?myDATA_Details?WHERE?DealerID?=?@DealerID) ?????IF?(@COUNT><strong>0</strong>) ???????BEGIN ?????????SET?@StrSQL?=?'UPDATE?myDATA_Details?SET?'+?@FieldName?+?'?=?'''?+@FieldValue?+?'''?WHERE?DealerID?=?'+?@DealerID ?????????EXEC(@StrSQL) ???????END ?????ELSE ???????BEGIN ?????????INSERT?INTO?myDATA_Details?(DealerID)?VALUES?(@DealerID) ?????????SET?@StrSQL?=?'UPDATE?myDATA_Details?SET?'+?@FieldName?+?'?=?'''?+@FieldValue?+?'''?WHERE?DealerID?=?'+?@DealerID ?????????EXEC(@StrSQL) ???????END ???END
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