SQL Server

We update the MySQL datasheet real-time trigger SQL Server in the corresponding table of additions and deletions, first of all, add the original MySQL table triggers, including the following three:Insert data:Delimiter | |DROP TRIGGER IF EXISTS

Ask a question a few days ago did a very strange project, my company developed a set of China Unicom SGIP Protocol of the SP terminal Short Message Service software, to provide unicom 130 SMS services. This system is under Windows 2000, the database

Objective The previous sections are all about the basics, and we'll talk about index performance optimization in this section, when the large data processing first thought is the index, once encountered such a problem is a rush, all kinds of

Often see someone mistakenly deleted data, or misoperation, especially update and delete when there is no add where, and then shouted Dad shouted Niang. Err who can have no, do wrong can understand, but can not indulge, this later, and now first to

The SSAS modeling tools available in the SQL Server 2008 R2 database include the SQL Servers Management Studio and business Intelligence Studio, so what is the modeling process? Here's what we're going to introduce, and let's take a look at the SQL

A. FUNCTION:In sqlserver2008, there are 3 custom functions: Scalar function/Inline table value function/Multiple statement table-valued function, first summed up their grammatical similarities and differences: Same point:1. Create the definition is

Friends who use the MS database will know a problem, C disk space is very easy to fill up. Because the system disk on the partition is relatively small, this is because the database during the use of the log files will increase, so that the

SQL Server 2016 brings a new breakthrough in-memory performance and analytics to achieve mission-critical processing. Comprehensive security features-always Encrypted technology can help protect your data Database Enhancements Row level security

Today, a friend recommended a job is to transfer SQL Server 2005 database to SQL Server 2000, but the actual operation encountered a lot of problems, online search a number of ways to display here, and the use of my problems and solutions are

Find out the source of deadlock and blocking for SQL Server--Find out the source of SQL Server deadlock and blocking Copy Code code as follows: Use master Go declare @spid int, @bl int DECLARE S_cur CURSOR for Select 0,

The phenomenon of database blocking and deadlock: One, the database blocking phenomenon: The first connection occupies the resource is not released, and the second connection needs to obtain this resource. If the first connection is not committed

A picture of "ten" words: SQL Server Database Summary A rough summary. After a period of study, also has some knowledge of the database. The database is basically made up of tables, relationships, and operations; for beginners to learn first: 1.

One, what is the index One of the best ways to reduce disk I/O and logical read times is to use the index The index allows SQL Server to look up data in a table without having to scan the entire table. 1.1, the advantages of the index: Become a

Small series used to do in ASP and. NET is often used in SQL SERVER, now use PHP although most of the time with MySQL, but does not pan some customers in the original SQL platform to upgrade or compatible development, it is fortunate that PHP is

SQL Server SP2 brings us the vardecimal feature, which allows the originally fixed-length decimal data to be stored in a variable-length format in the data file, which is said to save 30% of the space for a typical data warehouse, while SQL Server 20

--The trace file is read into the table to analyze SELECT * into Zgsjy from fn_trace_gettable (' E:\wxxcdbprofiler.trc ', default); --time, the most time-consuming SQL select top SUBSTRING (textdata,1,660) as ' name ', count (*) as '

When using a linked server (linked Servers), the most expensive price is the transfer of large amounts of data between network bandwidth. It is important to write the right code on the right server, because each error can result in a very expensive

SQL Server 2008 finally released the new version, although it was just another community beta rather than a full version. Whenever new software is released, the most problematic question to ask most is: What are some of the new features? SQL Server 2

SQL Server's T-SQL programming language is powerful in data storage and recovery, but is less functional in terms of interacting with systems outside of the SQL Server database. However, we can overcome this limitation with SQL Server's built-in COM

Requirements are as follows: you need to remotely connect to a foreign SQL Server 2000 Server. Test condition: A public network IP, two static IP. Specific steps: A, ping server IP can ping pass Observe whether the physical connection exists for