sql server update

Update Binary files in SQL Server using OleDbCommand objectAuthor Zhu 'erYou can use OleDbConnectionOleDbCommand In ADO. NET to conveniently Update Binary files in SQL Server. The following is a detailed code demonstration.Demo en

Copy Code code as follows: Batch update data (5000 per lot) public static void Update (String connstring, DataTable table) { SqlConnection conn = new SqlConnection (connstring); SqlCommand COMM = conn. CreateCommand (); Comm.commandtimeout = _commandtimeout; Comm.commandtype = CommandType.Text; SqlDataAdapter adapter = new SqlDataAdapter (comm); SqlCommandBuilder Commandbulider = new S

Example of a trigger codes: Code of the insert, delete, and update trigger: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->-- DBO. trgroups. SQL If exists ( Select * From sysobjects where Name = 'trgroups' and type = 'tr ') Begin Drop trigger trgroups If not exists ( Select * From sysobjects where Name = 'trgroups' and type = 'tr ') Print 'drop trgroups s

the length of the substring to be returned. Select Left (' abc123 ', 3) --returns to the "left portion of the right side of the section ', 4 Right (): used to return the portion of the specified length in the given string. The method has two parameters: Parameter 1: Used to specify the string to manipulate. Parameter 2: Used to specify the length of the substring to be returned. Select Right (' abc123 ', 3) --Return to 123 Select Right (' left side portion ', ' 4 ')- -Ret

Tags: process _id update create STS Delete field name stored procedureTransferred from: http://www.maomao365.com/?p=5277Summary:Here's how to add a new field to a table in the "on-line system". System deployment scripts, adding columns to the method:In system script publishing, how to modify and add a stored procedure custom function view, we usually use the following steps to write such a script1 Determine if the object (stored procedure custom

Tags: manipulating style max snippet multiple statement results one SouthOriginal: SQL Server updatable subscription Queue Reader Agent error: An attempted insert or update has failedToday it is found that the Queue Reader Agent keeps trying to start but always goes wrong:The contents are as follows:This may be caused by another problem that has just been dealt w

Label:In levels tenth through 12, we looked at the internal structure of the index and the effect of changing the structure. In this article, continue to review the effects of insert,update,delete and merge. First, let's take a look at these four commands alone. inserting insert When inserting a row of data into a table, no matter whether the table is a heap table or a clustered index table, a portal will definitely be inserted in the table's index, w

Label:In simple terms, the difference between update and alter, such as Right-click Properties Update Everymatchinfo SET matchno=111--Updating permissions ALTER TABLE EVERYMATCHINFO add IDD INT--Change permissions The actual is the difference between DDL and DML, with some brief instructions DML (Data Manipulation language) is the language of the manipulation: they are select,

In SQL Server, the data operation needs to be followed by a select Update, which, if high concurrency occurs, can cause dirty reads to occur. Data synchronization is not guaranteed.The solution is to add an update lock to the table in the thing:Transaction one:begin Tran Declare @count int =0Select @count=[Count] from

() fromInserted asAINNER JOINLm_sys_shiyanshixinxi asB onA.shiyanshiid=b.shiyanshiidINNER JOINLm_mj_men asC onB.menid=C.menidWHEREA.shifoumoren= 0 andB.isdelete= 0 andC.isdelete= 0; End --Delete if( not exists(Select 1 fromInserted and exists(Select 1 fromdeleted)) begin Delete fromLm_kq_kaoqinganpaiwhereKaoqinganpaiidinch(SelectKaifangshijianid fromdeleted)End

Tags: ring using har cell storage traints Batch ref ACERecently modified the database table structure, the data synchronization problem, found that a lot of data has been modified, but filtered through the view or the original data, so suspect should be the view cache data, in the garden to find the following blog post, here to make a record memo. original link:http://www.cnblogs.com/yashen/archive/2004/12/23/81000.html This is often the case when we use S