SQL Server

When we create a database, for example, the default way to create a DB Testdb,sqlserver automatically helps us build the following two database files. These two data files are real operating system files, one of which is called row data files,

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The main considerations for designing SQL Server indexes are as follows:Check where condition and join condition column;Use narrow index;Check the selectivity of the column;Check the data type of the column;Consider the order of the columns;Consider

In the previous chapter, we solved the problem of customizing the listener address for Azure Storage Emulator, which is far from enough, because in our DEV/QA environment we have our own SQL Server Instance, and we need to build the ASE database

1. Deadlock PrincipleAccording to the definition in the operating system: A deadlock is a permanent wait state in which each process in a set of processes occupies a resource that is not freed, but is placed in a form that is not freed by other

Original: SQL Server Tuning Series Advanced (query statement running several indicator value monitoring)ObjectiveIn the previous article, we analyzed how the query optimizer works, including: detailed operation steps of the query optimizer, analysis

Original: SQL Server Tuning Series advanced (how the query optimizer runs)ObjectiveIn the previous articles, we introduced a series of basic descriptions of operators and the optimization methods and techniques for each operator. This includes a

After years of controversy, Microsoft finally cut the date-time data type, adding 4 new date-time data types in one breath in the new version of SQL Server 2008, including: Date: A pure date data type. Time: A pure temporal data type.

1, IP address is not configured correctly:Open the SQL Server Configuration Manager under Microsoft SQL Server 2005 Config tool, select the MSSQLSERVER protocol, and then double-click TCP/IP in the right window to check the configuration in the

Accident background:suddenly the database is corrupted for no apparent reason, and differential or transaction log backups 3 point will be automatically done, then how to 2 Point to 2 Point + data recovery between the ? this needs to be restored by

SQL Server can specify collations in instances, databases, columns, and queries, respectively/*Module 1-working with Clollations*/--1.1 Obtain the Instance Collation from the GUI--Create a Database without specifying a specific CollationCreate

1,case DescriptionThere's dev Skype I said when using SSMs to open the DB, error"The operating system returned error (an unexpected network error occurred.) To SQL Server during a read at offset 0x00000000474000 in file ' \\Serveryyy\\xxxx.ndf '.

SQL is an abbreviation for the English Structured Query language, meaning Structured query language. The main function of the SQL language is to connect with various databases and communicate with each other. According to ANSI (National Standards

Original: SQL Server 2008 Spatial Data Application series six: SQLCRL-based spatial data programmabilitytips, the prerequisites for reading this blog post are as follows:1. This sample is based on Microsoft SQL Server R2 Commissioning.2. Experience

Original http://www.cnblogs.com/BoyceYang/archive/2013/06/15/3138142.html Read navigation 1. Overview 2.RulesLogic Database Design 3.EnableDesign with efficient Indexes 4.EnableEfficient Query Design 5.EnableLow performance analysis with

Microsoft has a hobby of binding. One of the most annoying bindings is the binding between IIS and Windows-upgrading the IIS actually requires upgrading the operating system, the server is not a PC, and the system can be reinstalled without

The following is an automatic backup method that I have confirmed is available. 1. Choose Enterprise Manager> Manage> SQL server proxy. 2. Create a new job and take the job name as needed. For example, for data backup, select sa as the owner. Of

When installing SQL Server 2008 or SQL Server, Microsoft SQL Server Native Client 10.0 is installed at the same time. If SQL Server 2005 of SQL Server Native Client is installed on the computer, SQL Server Native Client 10.0 will be installed in

How can SQL Server obtain processor (CPU), Memory (Memory), Disk (Disk), and operating system information through SQL statements? sqlserversql In SQL server, how does one obtain SERVER hardware and system information through SQL statements? The

A friend recently discussed with me whether statements in the Where 1 = 1 and format will affect the performance. The final conclusion is no effect.Although the conclusion is correct, the understanding of the problem is far from the root of the