SQL Server

Caveats: Activation codes and preventing SQL Server and vs version conflicts　　　　　　　　　Development version (Developer): Pttfm-x467g-p7rh2-3q6cg-4dmybEnterprise Edition: JD8Y6-HQG69-P9H84-XDTPG-34MBBpreventing conflicts requires that SQL Server 2008 be

Name Course score-------------------------------Zhang San language 74 Zhang three mathematics 83 Zhang three physics 93 John Doe Chinese 74 John Doe Math 84 John Doe

Learn a lot of things, feel their own SQL statement is still very bad, from the basic learning.To a SQL script:Create DATABASE Tongjigouse tongjigocreate table student (Sno varchar) NOT NULL PRIMARY key,--number sname varchar (a) not n ull,--student

In the original: View in SQL Server (bottom) http://www.cnblogs.com/xbf321/archive/2009/06/19/view_two_in_sqlserver.html1, what is a view?2, why use a view;3, order by in the view;4, refresh the view;5, update the view;6, view options;7, indexed

1, three ways to set the primary key for SQLA, field name int primary keyb, field name int constraint primary Key name primary key clustered (field name)C, create the table is, after the sentence: Constraint primary Key name primary key clustered

The WITH TIES statement is a statement that is used in conjunction with the top and order by statements; We will encounter such a situation in the actual query process, such as the query exam for the top three student information, found that there

IntroductionIn the previous article we talked about the relationship between the query optimizer and the execution plan cache, and the conflicts between them. In this article, we will focus on the common issues of execution plan caching and some

In SQL Server, what should you do if you want to know what statements are not performing efficiently? Here's how you can see the statements in SQL Server that are not performing very efficiently for your reference.In the measurement function, the

If a field in the database is named Bedno, the type is Nvchar, which has {1,2,3,11,12,23, plus 2, plus 3} data.At this point I need to sort these data, the numbers by the size of the front, the Chinese characters in the first word pinyin first

Database backup is an important means to recover important data in time and prevent data loss in the case of data loss. A reasonable database backup scheme should be able to effectively recover important data when data is lost, and need to consider

Because this side of the database is more, the data is more, but there is a legacy of historical data problems; A string preceded by a comma;Now the demand is to get rid of the English comma, with a script to run the database is also OK, but here

First step: Configure ODBC. There are three ways to configure ODBC with a User DSN, System DSN, and File DSN, and for the sake of security, a System DSN is used.DSN is named LocalServer, account number: SA, password 123456The second step: Open VC,

Don't know what's going on, suddenly SQL Server does not pop up smart hints, try the following methodsMethod one turn from http://www.jb51.net/article/30822.htm result: Wood has solvedThe ability to add new smart hints in SQL Server 2008r2

1 CREATE procedure [dbo].[Sp_who_lock]2 as3 begin4 Declare @spid int,@bl int,5 @intTransactionCountOnEntry int,6 @intRowcount int,7 @intCountProperties int,8 @intCounter int9 Create Table#tmp_lock_who

CREATE PROCEDURE [Common]. [Procloadcolumninfo]@inObjectName sysnameAsBEGINSELECT Tablecatalog = db_name (),Tableschema = Schema_name (c.schema_id),TableName = D.name,ColumnName = A.name,ColumnPosition = A.colorder,DataType = B.name,MaximumLength =

IF EXISTS (SELECT * from SYSOBJECTS WHERE NAME = ' stuwebname ') DROP table stuwebnamegocreate table Stuwebname (stuid INT IDEN Tity (+) PRIMARY key,stuname varchar (2) not null,stupassword varchar (+) not null,stusex CHAR ("male"), Stuno INT Not

IntroductionSQL Server uses tools to monitor data, one of which is the dynamic management Management view (DMV).General Dynamic Server Management Objects Dm_db_*: Database and Database objects dm_exec_*: Executing user code and

First, this time the content is full-text index, and in fact, not much relationship with the previousThe function and structure of the two indexes are different, the structure of ordinary index is mainly based on B + Tree and hash index, which can

The usage of Union and Union All in SQL statements. The SQL statement unionall In SQL, Union and Join statements are very similar, but Union has a condition that the columns produced by two SQL statements must be of the same data type, different

SQL Server uses the row_number paging implementation method, sqlrow_number This article will share with you how SQL Server uses row_number Paging for your reference. The specific content is as follows: 1. First Select ROW_NUMBER () over (order by id