SQL Server

In Visual Studio 2005, the following error occurs in website> Asp.net configuration> Security: "unable to connect to SQL Server database" Solution: Modify the machine. config file in C:/Windows/Microsoft. NET/framework/v2.0.50727/config, and

This walkthrough demonstrates how to cache ASP. NET pages that depend on data in the SQL Server database. An advanced function of ASP. net output cache is the SQL cache dependency. The SQL cache dependency allows you to cache pages that depend on

When creating table, we often encounter such a statement, for example, password nvarchar (10) Collate chinese_prc_ci_as null. What does it mean? Take a look at the following: First, collate is a clause that can be applied to database definitions

What is the use of SQL Server to compress data files? Prelude: The other day, due to customer problems (in fact, piracy issues), you can only use the free sqlserver Express version. The data file size of the entire database of the Express

Because we often need to process a large number of tables, it is basically normal to view the table structure, data volume, and indexes, but the database in the production environment does not allow us to access directly, therefore, if you want to

ArticleDirectory Creating a sample project that will create a SQL Server catalog by running customized SQL script Creating a sample project that will create an oracle catalog by running customized SQL script I really don't want to

English version: Shanghai. You have a good client interface, so in a short period of time, you can attract thousands of users to register and use your site. Your customers, management, team, and you are very happy every day. Life is not a rose

What does the "I/O Request" error below represent?   13:26:42. 480 spid364Microsoft SQL Server 2005-9.00.3177.00 (Intel x86) 16:30:02. 140 spid6sSQLServer has encountered 2 occurrence (s) of I/O requests taking longerThan 15 seconds to complete on

Conn = "provider = Microsoft. Jet. oledb.4.0; Data Source =" + server. mappath ("test. mdb ");Strconn = new oledbconnection (conn );Strconn. open ();Strsql = "insert into content (content) vlaues ('" + txtcontent + "')";Cmd = new oledbcommand

Date:2006-03-25 17:23:39 Click:2834 Author: Source:There are many reasons for slow query speed. The following are common causes: 1. No index or no index is used (this is the most common problem of slow query and is a defect in programming) 2. Low

1. SQL Server Data Type The data class is a type of data attribute, indicating the type of information represented by the data. Any computer language defines its own data type. Of course, different programming languages have different

Applicable Environment Operating System: Windows 2003, XP Databases: SQL Server 2000/SQL Server 2005 Remote database access using linked servers I. symptom When executing a distributed transaction, you receive the following error under SQL Server 200

SQL Server's common performance problems can be considered in three aspects: operating system and database configuration, table/index/storage settings, and SQL statements. For delivered systems, it is often difficult to optimize SQL statements due

From: http://www.williamlong.info/info/archives/50.html   In a formal database environment, we often encounter this situation: the required data is not stored in the same data table. At this time, you need to use join. Of course, how to combine the

/*Office 2003If the table to be imported already exists:*/Insert into demotableSelect *From OpenRowSet('Microsoft. Jet. oledb.4.0', 'Excel 5.0; HDR = yes; database = D: \ demo.xls', Sheet1 $)/*If you import data and generate a table:*/Select * into

Most of the data is written as follows:   No actionIf you try to delete or modify a row, and the row's key is referenced by the foreign key in the existing row of another table, an error is generated and the delete/update statement is rolled

Search for a lot of related information on the Internet and summarize the reasons for this situation mainly because of sorting rules:If no sorting rule is specifiedWhether the temporary table is case sensitive depends on the order of the tempdb

Source: http://www.study-code.com/database/sql-server/76961.htm   We know that the SQL Server transaction log is mainly used to record all the changes made to the database by all transactions. If the system fails, it will become the only source of

Use SQLDMO in C # To back up and restore a Microsoft SQL Server database SQLDMO (SQL Distributed Management Objects, SQL Distributed Management object) encapsulates Objects in the Microsoft SQL Server database. SQLDMO is the application interface

 Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->EXEC sp_configure 'show advanced options', 1 GO RECONFIGURE GO EXEC sp_configure 'Ad Hoc Distributed Queries', 1 GO RECONFIGURE GOinsert into