SQL Server

The Entity Framework Code first checks whether the database used by the connection string exists, and if it does not, automatically creates the database file. You can see if the database is created under the App_Data folder (if you don't see the

If you are unable to remotely connect to your SQL Server 2008 server through an IP address, you can set it up by referring to the following content. Before you make the following settings, make sure your network is installed and the server is

At present, SQL Server database as a good Microsoft RDBMS, its own start-up time is very few problems, we usually use the time, very little attention to the startup process, or very little understanding of its underlying running process, most of the

--Method 0: Dynamic SQL methodDeclare @s varchar( -),@sql varchar( +)Set @s='1,2,3,4,5,6,7,8,9,10'Set @sql='Select Col=" "+ Replace(@s,','," "UNION ALL Select" ")+" '"PRINT @sqlexec(@sql)--Method 1: Cyclic interception methodif exists(Select *

PowerDesigner's operations are often forgotten, so keep track of common functions and write down memos.1. Modify the Reversed fieldPowerDesigner when the database is reversed, the default is no comment and needs to be modified first.Enter the

Replication: Data transfer to other servers to store, do backup.Mirror: The primary server database is hung and the other one is automatically run as the primary server.LOG: a controllable image.Cluster: The primary server is hung, and the other one

System databases include:Master Master Data holds metadata information, server configuration, information about all databases in the instance, and initialization information in SQL Server instance scopeResource The resource database is added in

Error details are as follows:SQLState: ' 01000 'SQL Server Error: 14[Microsoft] [ODBC SQL Server Driver] [DBNETLIB] ConnectionOpen(Invalid Instance ()).Connection failed:SQLState: ' 08001 'SQL Server Error: 14[Microsoft] [ODBC SQL Server Driver]

1 years ago, I wrote an article in SQL Server why we need to update the lock. Today I want to continue this discussion, talk about intent locks in SQL Server, and why they are needed.lock hierarchy in SQL ServerWhen I talk about lock escalation in

Author Jonathan Allen, translator SherryA new feature of SQL Server 2016 is the ability to add Columnstore Index (Columnstore Index) on memory-Optimized tables (Optimized table). To understand what this means, we should first interpret the term

SQL Server 2012 Database Mirroring　　The following configures database mirroring through a domain account:First, the Environment preparation1. Prepare the computerAD02 is a domain controller/dns server (sz1card1.com), IP:192.168.2.218/24,AD02

This article was reproduced from: http://blog.csdn.net/xiaoxu0123/article/details/5684680[SQL Server] Dynamic SQL assigns a value to a variable (or returns a value to a variable)Declare @i_counts int, @i_times int; Set @str_sql = 'Select

Import java.sql.Connection;Import Java.sql.DriverManager;Import java.sql.PreparedStatement;Import Java.sql.ResultSet;Import java.sql.SQLException;Import java.sql.Statement;Import java.util.ArrayList;Import Org.omg.CORBA.PRIVATE_MEMBER;/*** @author

Selection of SQL Server statistics Maintenance policyProblem Description:After archiving a tens of millions of tables in an OLTP system, the business application receives a timeout alert when the source table data is deleted in batches, as follows:V1

Remember a time to a company tuning, the responsible person sent me a bunch of business of T-SQL script, I face a lot of script or calmly, although do not understand the internal complex business, but we have to focus on the issue of the key "slow",

SQL Server Tuning Series Article summary: This is a series of articles on SQL Server tuning, which basically covers the decomposition of the query operations we write in the day and the tuning content items, all original ... The first basic module

In two or more SQL Server processes, each process locks a resource that another process is trying to lock, and a deadlock occurs, for example,The process Process1 holds 1 exclusive locks (x) on Table1, while PROCESS1 requests 1 exclusive locks (x)

Write in front: This is the first T-SQL query Advanced series article. But the T-SQL query step-up series is far from finished. This topic is advanced and I think it is because this topic requires some advanced knowledge as the basis. If there is

SQL Server parallel operation optimization prevents parallel operations from being restrained and affects SQL Execution efficiency and SQL Execution Efficiency Why should I also say SQL Server Parallelism: I have written many articles about SQL

SQL SERVER backup database stored procedures, backup data stored procedures SQL Server batch export Stored Procedure In the query analyzer, right-click "database --" and choose "task". In the pop-up menu, select "generate script"-- "" Next "--"