SQL Server

Today, I encountered an inexplicable performance problem. A simple SQL statement uses the user name as the query condition. Different users have different execution speeds. If the user name contains "9", the execution speed is slow. Incredible,

SqlserverConnection problems   The connection is normal before, and then I don't know how it works. The error is as follows:   Enterprise ManagerConnection: Use"."AndIPAddresses can be connected The machine name

In SQL Server, there are two types of indexes (clustered index and non-clustered index) in name, but there are actually three types of indexes internally.Clustered index non-clustered index: Non-clustered index on the stack; in clustered tables, non-

How to clear database logs 1. Open the query analyzer and enter the commandDump transaction database name with no_log2. open the Enterprise Manager and right-click the database you want to compress -- all tasks -- shrink database -- shrink file --

During the sql2k installation process, there are often friends who refer to "previous steps ProgramCreate a pending file operation. You must restart the installation before running the installation program. The common solution is to delete

Chapter 4 SQL Server 2005 Server Management from SQL Server 3rd to practice (12-hour high definition and interactive video teaching, this chapter describes how to use the management tools provided by SQL Server 2005 to configure and manage database

If you encounter such a problem during the write process, you need to process n data records in the library. Program Loop causes multiple accesses to the database SQL Sever does not support array parameters. We tried two methods. Here we take the

  -- Use temporary tables for splittingDeclare @ s varchar (4000)Set @ s = '-1;-1; 0; 0; 0 ;'Select top 8000 id = identity (INT,) into # From syscolumns A, syscolumns BSelect substring (@ s, ID, charindex (';', @ s + ';', ID)-ID)From #Where

I have been developing the dnn module recently. I encountered such a problem that I need to insert n data records at the same time. Program But SQL Sever does not support array parameters. Therefore, you can only use a work und. use SQL Server's

Create procedure [DBO]. [up_pager] @ Table varchar (2000), -- table name @ Col varchar (50), -- pagination by this column @ Orderby bit, -- sort, 0-order, 1-inverted @ Collist varchar (800), -- List of fields to be queried, * indicates all fields @

Method 1 Segmentation For example, multiple records are deleted by transmitting array parameters through the SQL server stored procedure. For example, if the value of ID is '1, 2, 3 ', the following stored procedure is to delete records with IDs

Rsync_serverrsync Server Download Download rsync_client rsync Client Will be appliedRsyncIt is mainly because of the needs of the company's projects, the key isSqlserverA database backed up regularly to another backup server. Some other

  In SQL ServerStored ProcedureManagementLogin Name, Including: Sp_addlogin sp_droplogin sp_helplogins Sp_grantlogin sp_revokelogin sp_denylogin Note thatStored ProcedureRequiredInMaster Database.   BelowCodeImplement simple three-tier

Sometimes we need to save some binary data into the database. SQL Server provides a special data type called image for us to save binary data. Binary data can be images and documents. In this article Article In SQL Server, we will see how to save

Clear all user tables in the database Declare crsr cursor For select [name] From DBO. sysobjects Where objectproperty (ID, n'istable') = 1 and type = 'U' and [name] <> 'dtproperties' -- and crdate... -- You can specify the table creation date for

The following is the most direct way to use a cursor: Code Running Condition: A tb_paperinfo (paperid, papername) Table -- Declare a cursor marked as C. The cursor identifies two columns from the tb_paperinfo table. Declare C

I. Purpose: To insert the ''number in the SQL statement, for example, select count (*) from user where name = 'Tom' A) Use escape characters: Select char (39) or select char (39) +'' The query result is :' Example: Select char (39) + '000000' + char

1. Stored Procedure statementsCreate procedure [DBO]. [up_pager]@ Table varchar (2000), -- table name@ Col varchar (50), -- pagination by this column@ Orderby bit, -- sort, 0-order, 1-inverted@ Collist varchar (800), -- List of fields to be queried,

Database connection strings are frequently used, but there are many database types and there are many connection methods. Below we provide various database connection strings for convenient query. SQL Server ODBC connection mode Standard

Sub conndat () Sub Conndat () \ ' \ ' Conndat macro \ ' Macros recorded by shaosimin-8-25 \ ' Dim Conn As Connection Dim RS As Recordset \ ' Connect to the SQL Server database Set Conn =   New ConnectionConn. Open "