SQL Server

Learning points: SQL-Build a database, build a table, build constraints, relational SQL Basic statement encyclopedia. TXT can be lifted up under the weight of lifting, lifting can not be called weight. The head must have the courage, the rise must

For a geographically dispersed large enterprise organization, to build a large enterprise management information system with typical distributed computer features, it is always necessary to solve a very important problem: how to ensure the

--A stored procedure with input parameters-- create proc getcomment (@commentid int) as select * from Comment where commentid=@ Commentid --A stored procedure with input and output parameters-- create proc getcommentcount @newsid int, @count int

Brief introduction The nature of the SQL statement we write is simply the logic to get the data, not the physical path to get the data. When we write SQL statements to SQL Server, Query Analyzer parses statements sequentially (Parse), bindings

SQL Server 2005 (32-bit) system requirements Minimum requirements Processor MHz or faster processors (recommended 1 GHz or faster) Operating system SQL Server Enterprise Edition and Standard Edition can be run on the following operating

Add in Web.config file And then add it to the page that needs to connect to the database Gets the database connection string public static string connstring = configurationmanager.connectionstrings["sqlConnectionString"].

Copy Code code as follows: Create Trigger Tr_mastertable_update On mastertable After update As If update ([Type])--triggers this trigger when the Type field is updated INSERT INTO masterlogtable Select Id , (case [Type] when 1 Then '

SQL Server contains several different types of pages to meet the needs of your data store. Regardless of the type of page, their storage structure is the same. Each data file contains a significant number of 8KB pages, each page has 8192bytes

To introduce the storage class object in SQL Server first, haha, first introduce the concept, let novice veteran have a cognitiveSQL Server Management Studio includes the Full-text catalog, partition functions, and partition schemes nodes in the

First, see the example name available 1, the service-sql Server (instance name), the default instance is (MSSQLSERVER) Or when connecting to enterprise management-View local instances 2. Through the brochure

Application name (application name): the names of the applications. If it is not specified, its value is. NET SqlClient data Provider. Attachdbfilename/extended Properties (extended property)/initial file name (initial file name): The name of the

Most of the time, our server performance bottleneck is when querying the database, so the caching of the database is very important, then there is a way to implement the SQL Server database cache, when the datasheet is not updated, read from the

Data Explorer and Geoflow as new features of Excel are written to the upcoming SQL Server 2014. Data Explorer provides a way for business analysts to access, organize, and organize data that, through the Geoflow function, will be graphically

Nonclustered indexes have the same B-tree structure as clustered indexes, and the significant difference between them is the following two points: The data rows of the underlying table are not sorted and stored in the order of the nonclustered keys.

When the application is running, there will be a connection pool management control running in the application process, unified management of all the connections established by the application and SQL Server, and maintaining these connections is

First let's look at the engine components of SQL Server2008, SQLServer2008 have four components: protocols, relational engines, storage engines, and Sqlos. Protocol layer (Protocol Layer) When an application communicates with the SQL Server

Test environment: SQLSERVER2005 Developer version I'm really sorry, I did not find the answer to the question when I did the experiment. The problem is this: When looking through a clustered index lookup and a nonclustered index, the hash

SQL Server after SP2 out, Vista installed SQL Server 2005 is very easy, ignore all prompts, has been installed, installation completed, directly hit SP2 patch on it. Such a simple process, is not necessary to write a blog. But I'm still writing a

You might want to explore ways to take advantage of different kinds of replication for a variety of reasons, but probably the biggest reason is to allow administrators to provide SQL Servers to customers, and those customers ' companies are

Environment: SQL Server 2008 R2 Problem: Hiding system objects in Object Explorer Solve: The database node of Object Explorer contains system objects, such as system databases. Use the Tools/Options page to hide system objects. Some system