SQL Server

Six data migration methods in SQL Server 1. Import or export data using the DTs designer The DTS designer is powerful and supports multi-task operations. It is also a visual interface and easy to operate. However, there are not many people who

{ First install the activx control: component-> Import ActiveX Control-> Microsoft SQL Merge Control 8.0 (version 1.0)-> install Large DBMS such as SQL Server and Oracle all provide the copy function. Replication can be performed between

Group statistics Before introducing the group by and having clauses, we must first talk about a special function in SQL: aggregate function, such as sum, Count, Max, and AVG. The fundamental difference between these functions and other functions

Generally, snapshot replication has the following features. First, from the term snapshot, we can also see that the photo is a static process, that is, it only reflects the status at a certain time point of the database, rather than a change

SQL Server 2005 does not contain arrays, but we can use strings separated by commas to replace them. Create proc testarray@ Array varchar (max)AsBeginIf (right (@ array, 1) <> ',') -- ensure that the rightmost is a comma.Set @ array = @ array + '

How to solve the file suspension error prompt when installing SQL Server 2000When installing SQL Server 2000, the following message is displayed:"PreviousProgramInstall a file that has been suspended on the installation computer. You must restart

Using AWE memory in SQL Server 2000 By: Brad mcgehee May 31,200 3 If you are using SQL Server 2000 Standard Edition under Windows NT 4.0 or Windows 2000 (any version), or are running SQL Server 2000 Enterprise Edition under Windows NT 4.0 or

This includes prompting pending operations, shrinking databases, compressing databases, transferring databases to new users with existing user permissions, checking backup sets, and restoring databases during installation. (1) pending

Due to special requirements encountered in the past few days, the two SQL Server servers are separated by one party every day and require highly effective data synchronization. We all know that through the Internet, it is difficult to achieve data

SQL Server's extended storage process is actually a common Windows DLL, but some functions are implemented according to certain rules. Recently, when writing an extended storage process, I found that there are still some important points to note

Sysaltfiles: files stored in the database in the master database Syscharsets primary database character set and sorting order Sysconfigures master database configuration options Current configuration options of the syscurconfigs master

SQL Server provides a special data type: image, which is a type that contains binary data. The following example shows how to put text or photos in the database. In this article Article To see how to store and read images in SQL Server. 1.

Linqtosql is a good ORM framework, especially for integration in vs2008. SQL ce 3.5 is a lightweight standalone database that comes with vs2008. The tragedy is that vs2008 does not support importing SQL ce tables directly into dbml, so it is hard to

I. Basics1. Description: Create a databaseCreate Database database-name2. Description: delete a database.Drop database dbname3. Description: Back up SQL Server --- Create a device for the backup data Use masterExec sp_addumpdevice' Disk ',' Testback

The database image solution has two operating modes. One is "high security mode", which supports synchronization operations. In high security mode, when the session starts, the backup storage synchronizes the backup storage with the master database

[Introduction: the basic theories of locks used by various large databases are consistent, but their implementations vary. SQL Server emphasizes that the system manages locks. When a user has an SQL request, the system analysis request automatically

-- Full backup-- Note: Everything starts from full backup.Declare@ Path varchar (1000 ),@ Filename varchar (1000 ),@ Weekday varchar (20)Set @ weekday = case datepart (weekday, getdate ())When 1 then 'sunday'When 2 then 'monday'When 3 then

1. functions that return scalar dataUser-defined functions accept zero or more input parameters and return a single value. Some user-defined functions return a Single Scalar data value, such as an int, Char, or decimal value. For example, the

This article explains how to use left join, cross join, and IDENTITY value retrieval to Improve the Performance of SQL Server-based applications or improve their scalability. Sometimes, in order to make the application run faster, all the work is to

When C # involves database programming, new users are always confused. In fact, you can easily connect to the database and bind fields to the TextBox or Datagrid you want to bind according to the following methods. Now, let's get started: First, we