SQL Server

Original: SQL Server session Kill, always in the Killed/rollback state situation analysisToday, a very strange situation, found a session exception, this session is simply executing a simple stored procedure, which uses the linked server (Linked

1. Definition 1.1 What are primary keys and foreign keys 1.2 The role of primary and foreign keys 1.3 Differences between primary key, foreign key, and index 2. Primary key (primary key) 2.1 Setting the primary key via

Original: SQL Server 2012 exception Issue (i)--failover cluster + mirroring environment causes job execution to failFirst of all, thank you. My colleagues first found this issue, thanks: Xiangfei, Zhi-Gang, Hye-youngRecently found a strange problem

1 overviewThis article focuses on the two functions involved in type conversion in SQL Server: Cast and convert.2 Specific content2.1 CAST(1) Role: An expression that converts an expression of one data type to another data type.(2) Definition:1 CAST

1 Download the JDBC driver for SQL Server first. See the following link address: [1] http://msdn.microsoft.com/en-us/data/aa937724.aspx[2] Google input into SQL Server JDBC is also available. [3] Here Sqljdbc4.jar is the jar package we need  2

ObjectiveIn the previous article we analyzed the role of statistical information in the database, and we have learned how the database uses statistics to control the distribution of the contents of tables in the database. Children's shoes are not

http://msdn.microsoft.com/zh-cn/evalcenter/dn434042.aspx download software: Microsoft SQL Server ExpressMicrosoft SQL Server Express is a feature-rich, free version of SQL Server that is ideal for learning, developing, and enhancing desktop, Web,

Original: SQL Server Profiler use tutorial, easy to understand is the kinglyDo development, usually inevitably and database dealing with, especially write stored procedures, for those of us who do not often write SQL is a very painful thing, every

Recently read a SQL SERVER2010 textbook, by the Way note (PS: This book is not read, so temporarily updated content)! The content for myself to organize, if there are errors, please point out lest affect others ' study.1. Create a table TestDBDROP

SQL Server Related BooksSQLSERVER2012 Implementation and Management GuideSQL Server 2008 Learning notes: Daily maintenance, in-depth management, performance optimizationSQL Server R2 Data Mining and business intelligence fundamentals and Advanced

Before doing a backup of the database planning tasks, suddenly one day, the scheduled task is not executed, for some reason, then go manually to perform the task is also a mistake. Think about whether or not to re-build a scheduled task, or not,

first, the storage structureIn SQL Server, there are many different options available for arranging rules.Binary: Sort by the numeric representation of the characters (ASCII, with the number 32 for spaces, and 68 for the letter "D"). Because

Select GETDATE () as ' current date ',Datename (Year,getdate ()) as ' year ',Datename (Month,getdate ()) as ' month ',Datename (Day,getdate ()) as ' Day ',Datename (Dw,getdate ()) as ' Week ',Datename (Week,getdate ()) as ' Week number ',Datename

People thought it was easy to install the help documentation, but it wasn't, and there was a little bit of a way. Today I will give you a demonstration!First download the Microsoft SQL Server 2012 product documentation to the Microsoft Official Web

Comparison of functions between Visual Basic for Applications and SQL Server Transact-SQL (ADP)Note that the information in this topic applies only to the Microsoft Access Project (. ADP ). The following table compares common functions in

The varchar (max), nvarchar (max), and varbinary (max) data types are added to SQL Server 2005. Shard data type (large-value data types) , Marked with the Max specifier. The varchar (max), nvarchar (max), and varbinary (max) data types correspond

Some time ago, I had a performance problem with my website, and sometimes the page was very slow to open. It would take more than 10 seconds. I tried a lot of methods, including cache, disable viewstate, and Disable debug mode. The improvements were

How to import/export Excel files from SQL Server /* = ======= */ To import data from an Excel file to a SQL database, you can simply use the following statement: /* ===================================================== ===============================

I don't know if the title I wrote can fully express what I want to say, but I don't feel it completely. So please read the text!Problem description: Many WEB developers (and hackers who intrude through WEB injection) should have a lot of SQL

The SQL SERVER 2008 R2 database set up in The UAT environment has been used normally, but recently it was found that no operation can be performed in Sharepoint, I started to think that something went wrong with the configuration (because I have