SQL Server

After a long afternoon, I finally put the SQL Server, the Express Edition installed, in view of the various problems, so write down the process. First, download two files: ①sql Server Edition Express Download Address: http://files.jb51.net/file_

It is rare to rush home 9 o'clock this evening, and the recent draft box also pressed a lot of "wet goods", pick a post out of the good! However, before sending the article before the first spit on that from yesterday to attack the Zhanggo blog to

First back up the database in case of unnecessary loss. And then executes the varchar field with less than 8000 characters for all the horses being hanged.Copy CodeThe code is as follows:Update table name set field name =replace (field name, ' ', ')

server|sqlserver| data The construction and analysis of SQL Server Data Warehouse (i) Basic concepts: 1. Cubes: Cubes are the primary object in online analytical processing (OLAP) and are a technology that allows fast access to

server| Program | data A friend suggested that I control the connection pool connection, said to improve performance, but read the following article, the sense of the connection pool is maintained by the system itself, the program does not need to

I. Indexed views For years, MicrosoftSQL Server has supported the creation of virtual tables called views. Typically, the main functions of these views are: Provides a security mechanism that restricts users to a dataset in one or more base tables.

In the software testing, the database is the necessary knowledge, holiday busy stealing busy, organized a little study notes, and discuss together.Read CatalogueBasic knowledge History of Database Database nouns SQL composition

Programmers who write large terminals often have the illusion that the SQL language is simple and the DBA works easily, especially for Android programmers who are accustomed to SQLite and its extended framework Ormlite and Greendao. Especially when

SQL Server dedicated Administrator connection (dedicated admin Connection (DAC))Only members of the SQL Server sysadmin role can use a DAC connection. By default, connections can only be established from clients running on the server.Open SSMs, in

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

In SQL Server, for data security reasons, you need to back up the database on a regular basis. While the backup database is usually in the early hours of the basic no database operation, so we can not ask the administrator every day to the night 1 o'

Tip Error: Sql2005ssmsexpressfacet check if the SQL Server 2005 Express tool is installed. Failed, the SQL Server 2005 Express tool has been installed. To continue, remove the SQL Server 2005 Express tool.WORKAROUND: Do not delete the SQL Server 2005

One, set up SQL Server server: 1, start → programs → Microsoft SQL Server 2005 → configuration tools → SQL Server configuration Manager (Confirm SQL Ser Ver Management Studio "closed" 2, "SQL Server 2005 service" stopped service "SQLEXPRESS"

Database objects: Tables table, views view, stored procedure stored Procedure, trigger triggerRelationship: 1 relationship = 12 dimension table, 1 relationship has 1 relationship name. 1 Relationship =1 Table objectAttribute/field: Vertical column

Original: SQL Server 2012:SQL Server architecture--The life cycle of a query (part 2nd)Planning cache (Plan caches)If SQL Server has found a good way to execute a piece of code, it should be reused as a subsequent request because Generating

There are many reasons for slow query speed. The following are common causes:1. No index or no index is used (this is the most common problem of slow queryProgramDesign defects)2. Low I/O throughput, resulting in a bottleneck effect.3. the query is

Original article: http://support.microsoft.com/kb/139444/SummaryThe Microsoft SQL Server table should not contain duplicate rows and non-unique primary keys. For the sake of conciseness, we sometimes refer to the primary key as "key" or "Pk" in this

Simple Guide to Using ole db to read and write SQL Server in Visual C ++ Huang Yousheng. This article was published by the original author on MSN space and csdn. You can save, use in non-commercial software, and reference part or all of the text in

1. Database Replication SQL Server 2008 database replication synchronizes data between multiple servers through the publishing/subscription mechanism. We use this mechanism for Synchronous database backup. The synchronous backup here refers to the

SQL server uses convert to obtain datetime date data. The following examples include conversions of various date formats.Statement and query result:SelectCONVERT (varchar (100), GETDATE (), 0): 05 16 2006 AMSelectCONVERT (varchar (100), GETDATE (), 1