sql server 2017

MS SQL Server Query optimization methodThere are many reasons for the slow speed of queries, which are common1, no indexes, or no indexes (this is the most common problem with query slowness, is the flaw in programming)2, I/o throughput is small, creating a bottleneck effect.3, no computed columns are created causing the query to be not optimized.4, Low memory5, network speed is slow6, query out the amount

Prepare to do before copying: 1. Publisher, Subscriber creates a Windows user with the same name and sets the same password as a valid access user for the publication snapshot folder My computer Control Panel Management tools Computer Management Users and Groups Right-click User New user Create a user who is logged on to Windows in the group of Administrators 2. At the publisher, create a new shared directory as the repository for the published snapshot files: My computer D:\ Create a new dir

Tags: dynamic combined with MAC Max Sem named create summary Uninstall Preface This is my work more than two years later, starting from the most basic SQL start, seriously learn SQL Server, Leackage Check and consolidation have all; because I was just beginning to learn, always upset, recently changed work, found 1-2 years of experience, asked the basic thing or

SQL statement optimization and efficiency in SQL Server, serversql Many people do not know how SQL statements are executed in SQL server. They are worried that the SQL statements they w

Label:1. It is recommended to make a backup of the database upgrade to the production environment, safekeeping. 2. To upgrade from SQL Server R2 to SQL Server SP1, you need to install the SP1 or SP2 patch pack for SQL Server R2,

Artificial Intelligence automatic SQL optimization tools-SQLTuning for SQL Server, SQL-sqltuning In response to this situation, the artificial intelligence automatic SQL optimization tool came into being. Now I will introduce this tool: SQLTuning for

Tags: blog http using OS io strong file dataBrief introductionIn SQL Server, each query will find the shortest path to achieve its own goal. If the database accepts only one connection at a time, only one query is executed. Then the query is, of course, M.F.B. s to complete the work. For most databases, however, multiple queries need to be processed at the same time. Instead of waiting for execution like a

Tags: style blog http io color using SP strong fileData backup has always been considered a database of life, that is, one of the main skills of a DBA, this article is about the SQL Server backup principle, the SQL Server database is divided into data files and log files. To enable the database to recover a consistent

Red Gate Series iii SQL Server development tool SQL prompt 5.3.4.1 edition T-SQL smart sensing analyzer complete cracking + use tutorial Red Gate SeriesArticle: SQL compare 10.2.0.1337 edition, one of the red gate series, database comparison tool, complete cracking + tut

Install SQL Server 2008 management, prompting an error: Sql2005ssmsexpressfacet check to see if the SQL Server Express tool is installed. Failed, the SQL Server Express tool was installed. To continue, remove the

special order. There are no link tables between data pages.1.3 Nonclustered indexesNonclustered indexes have a similar B-tree index structure to the clustered index. The difference is that nonclustered indexes do not affect the order of data rows. The leaf level contains only index rows and no complete data. Each index row contains nonclustered index key values and row locators. A locator points to a data row (in another B-tree or heap) that contains a key value. Nonclustered indexes themselves

Original: 17th--Configure SQL Server (1)--Configure more processors for SQL ServerObjective:SQL Server provides a system stored procedure, sp_configure, that can help you manage the configuration at the instance level. Microsoft recommends using the default configuration, but depending on the

Label:SQL Server Agent is the core of all real-time databases. Proxies have a lot of non-obvious uses, so the knowledge of the system is useful for developers or DBAs. This series of articles will be popular to introduce its many uses. In the previous article in this series, you learned how to use SQL Server Agent job Activity Monitor to monitor job activ

SSMA migrating local my SQL to local SQL Server and Windows Azure SQL DatabaaseSpeaking of databases, many people will think of my SQL, SQL Server and Oracle, and so on, and very people

Tags: des blog http io ar os sp for strongAugust 30, 2012by pinal DAVE SQL server–beginning of SQL SERVER architecture–terminology–guest PostSQL Server Architecture is a very deep subject. Covering it in a single post was an almost impossible task. However, this subject was

The following step-by-step article describes how to configure shared disk Cluster for SQL Server on a red Hat Enterprise Linux system and its associated use (for test-only learning, basic article)I. Creating shared disks and ClusterMicrosoft Official configuration document: Https://docs.microsoft.com/en-us/sql/linux/sql