SQL Server

Restore SQL Server database methods from the Bak file on the command lineHttp://blog.sina.com.cn/s/blog_5cdf6f450102dwir.html1. Use RESTORE FILELISTONLY FirstRestore FILELISTONLY from disk = ' E:\BaiduYunDownload\shifenzheng.bak '2. Perform

share the differences between SQL Server custom functions and stored procedures, and learn together. One, Custom function:1. You can return table variables2. There are a lot of restrictions, includingOutput parameters cannot be used;Temporary tables

A SQL Server cursor usesThe use of the/*** cursor speaks to the advantages of this multi-cursor, and now we are personally unveiling the mysterious veil of the cursor. The order in which cursors are used: reputation cursors, open cursors, read data,

SQL Server 2008 was installed, and it was found unable to get up. View System log is 7024 as follows:[C-sharp]View Plaincopy Event Type: Error Event Source: Service Control Manager Event Type: None Event id:7024 Date: 2009-3-

With SharePoint for a long time, it is assumed that SQL requires only the most initial configuration, that is, management and maintenance is no longer required, and in fact, the management and security of SQL is closely related to the stability of

From: http://www.oecp.cn/hi/zhaolihong/blog/1980 When SQL Server was recently used in projects, it was found that frequent updates and frequent queries cause deadlocks in high concurrency. We usually know that if two transactions insert or modify

In. net1.0, you can connect to the database by using oledb to obtain various attributes of the database, which has been used before, no problem (http://dlwang2002.cnblogs.com/archive/2005/04/11/207996.html)However, this method does not support SQL

What is an index? Index is an important tool to improve query performance. index is to add a small amount of data required by the query statement to the index page. In this way, you only need to access the pages of a few indexes when accessing data.

Problem scenarios During SQL Server database migration, after recovering the database backup file on another Server, you need to recreate the user account on the database. When creating a login User, you must authorize the User in User Mapping for

After SQL Server is installed on the Server, all unused ports need to be blocked and only necessary ports must be opened for the sake of Server security. The following describes the ports used in SQL Server 2008: First, port 1433 is the most common.

SummaryWhat is a single index and what is a composite index? When to create a composite index? This article mainly summarizes some discussions on the Internet.1. ConceptsA single index refers to the case where the index column is one column, that is,

Original article: ManicTime and SQL Server Compact Edition (SSCE) Databases   ManicTime is a software used to record users' computer operation time. It records in detail what they do on their computers every day. It adopts the Net Framework 3.5

In addition to the execution plan, there are other factors to consider when running a statement, such as the statement Compilation Time, execution time, and number of disk reads. If the DBA can test the problem statement separately, you can enable

1. ranking function and PARTITION Copy codeThe Code is as follows: -- all data SELECT * FROM dbo. student AS a inner join dbo. ScoreTB AS B ON a. Id = B. stuid WHERE scorename = 'China' ------------------------------------------- -- The usage of ROW_

/* -- 1 the UNION operator combines two or more query results into a single result set. There are two basic rules for query result sets using UNION: 1. The columns and columns in all queries must be in the same order. 2. Data type must be compatible

Software preparation:Mysql-5.0.56.tar.gzHttp://dev.mysql.com/get/Downloads/ Httpd-2.2.12.tar.gzHttp://labs.xiaonei.com/apache-mirror/httpd/ Php-5.3.0.tar.gzHttp://cn.php.net/get/php-5.3.0.tar.gz/from/this/mirror 1. Install MYSQL Copy codeThe Code is

I. Create a database, create tables, and add constraints. 1.1 database creationCopy codeThe Code is as follows:Use masterGoIf exists (select * from sysdatabases where name = 'mydatabas')-determine whether the database name to be created exists in

1. Import and export data between SQL Server databases(1). Use select into to export dataThe most widely used SQL Server is to export data using the SELECT INTO statement. The SELECT INTO statement has two functions at the same time: create an empty

Generally, the following SQL statement is used to update the field value:Copy codeThe Code is as follows:UPDATE mytable SET myfield = 'value' WHERE other_field = 'other _ value '; However, what if you want to update multi-row data and record

The logical design of databases is a wide range of issues. This article focuses on the primary key design issues and corresponding solutions when designing tables on ms SQL Server during application development. Primary Key design status quo and