文章目錄 SQL Server 返回最後插入記錄的自動編號ID SQL Server 返回插入記錄的自增編號(包括多表插入等)SQL Server 返回最後插入記錄的自動編號ID最近在開發項目的過程中遇到這麼一個問題,就是在插入一條記錄的後立即擷取其在資料庫中自增的ID,以便處理相關聯的資料,怎麼做?在sql server
Float and Real Approximate-number data types for use with floating point numeric data. Floating point data is approximate; therefore, not all values in the data type range can be represented exactly. The ISO synonym for real is float(24). Data
----允許對系統資料表進行更新exec sp_configure 'allow updates',1reconfigure with overrideGO----取消識別欄位標記update syscolumns set colstat = 0 where id = object_id('tablename') and colstat = 1GO--插入id=8001-8003的行...----恢複識別欄位標記update syscolumns set colstat = 1 where
恢複資料庫: 關鍵字:Alter Database 被恢複的資料庫名 Set Offline with Rollback immediate; restore database 被恢複的資料庫名 from disk = '備份檔案路徑'; Alter Database 被恢複的資料庫名 Set OnLine With rollback Immediate;///////////////////// string sql = "Alter
SQL Server 5030錯誤解決辦法今天在使用SQL Server時,由於之前建立資料庫忘記了設定Collocation,資料庫中插入中文字元都是亂碼,於是到DataBase的Options中修改Collocation,出現了The database could not be exclusively locked to perform the operation這個錯誤,無法修改字元集為Chinese_PRC_90_CI_AS。解決辦法找了很久才找到,如下:1.執行SQL ALTER
純量涵式:View Code create FUNCTION dbo.fn_GetDistance ( @LngBegin REAL, @LatBegin REAL, @LngEnd REAL, @LatEnd REAL ) RETURNS FLOAT AS BEGIN DECLARE @Distance REAL DECLARE @EARTH_RADIUS REAL SET @EARTH_RADIUS = 6378.1
參考地址:http://www.cnblogs.com/xbf321/archive/2008/11/02/1325067.htmlexec('select * from TableName')declare @slideAvg realdeclare @sql1 nvarchar(1000)set @sql1='select @slideAvg=avg(val) from S'+@StationID+'HN where channel_num='''+@channel_num+''' and
1.查詢表內重複的欄位select id from table1 where id in(select id from table1 group by id having count(id)>1)2.select查詢添加自增長的列 作為識別欄位例子:Select (Select sum(1) from Table1 where ID <= a.ID) as xuhao,* from Table1 a SQL 重複資料的提取與過濾 提取重複資料SELECT * FROM