sql server dba introduction

the future Enterprise Manager -- server -- Right-click Database -- properties -- transaction log Limit file growth to xM (x is the maximum data size allowed by you in SQL Server) SQL statement settings: Alter database name modify file (name = logical file name, maxsize = 20) Here, I will share with you some of my freq

SQL Server trigger and SQL Server trigger Brief Introduction: A trigger is a special stored procedure, which is automatically executed only when a specific event occurs. Stored Procedures and triggers are a collection of SQL state

(RECOMPILE) The preceding variables are used to query and re-compile SQL Server 2012 using OPTION. For details about other versions, see [The Pains of Filtered Indexes ]. Summary This section describes how to improve query performance by filtering indexes. It also provides different scenarios and advantages and obvious disadvantages. For a brief introduction and

SQL Server---Troubleshoot SQL Server data subtotals with caseNearly half a year has been responsible for the development and maintenance of a city's personnel file management system, before the customer gave a table, need me to summarize the data, and then fill in the table.Specific needs: Statistics of how many differ

emule resources can also be downloaded with thunder The following is a list of files that are shared by users, and you can download them by clicking on them after you install emule [0 Basic science sql.server.2005. E-Tutorials/cd].0sql with books. Server.2005.iso Details 12.2MB [0 sql.server.2005 of basic science. E-Tutorials/books CD].0sql.server2005dianzijiaocheng.rar Details 52.3MB

operations are performed. ** Warning ** \ * When the file is damaged, the file should only be set to offline, but can be restored. Files set to offline can only be set to online after being restored from backup. RESTORING: RESTORING the file. The file is in the restored State (because the restore command affects the entire file, not only page restore), and remains in this State until the restoration is complete and the file is restored. Recovery pending: file RECOVERY is postponed. Because the

SQL server keyword description (text), SQL server The following describes the cross apply and outer apply keywords in sqlserver as follows: 1. cross apply and OUTER APPLY The MSDN explanation is as follows (my personal understanding is not clear ): You can use the APPLY operator to call the table value function for eac

statement that was submitted in SQLCLR. Dynamic SQL comes in two ways: non-parametric and parameterized. In non-parameterized SQL, the developer stitching the parameters into the SQL string. Like what:Select @sql = ' Select MyCol from tbl where keycol = ' + convert (varchar, @value) EXEC (@

example of the DB01 created on the wizard SQL03 as the primary database. 1 , creating a configuration database for the High availability group To create a high Availability group using the wizard, you must have a qualified database exists to perform the related operations. So what kind of conditions does the database have to meet? 1 The recovery mode of the primary database must be the "full" recovery model. 2 The primary database has been fully backed up. 3 requires a shared path to b

/wyfs02/M01/ 6e/69/wkiol1v76k7d7lxmaamhoicc85q680.jpg "/>5.3 Open "SQL Server Management Studio" Select the appropriate server and authentication method, click "Connect"650) this.width=650; "title=" 40.png "alt=" wkiom1v75w-h5h6aaaen9xakxak453.jpg "src=" http://s3.51cto.com/wyfs02/M01/ 6e/6d/wkiom1v75w-h5h6aaaen9xakxak453.jpg "/>5.4 Successful connections are as

Original: http://www.cnblogs.com/xwdreamer/archive/2012/06/25/2562828.html bibliographyHttp://database.51cto.com/art/201009/224075.htmBodyTo successfully access data in a SQL Server database, we need two aspects of authorization: Get permission to connect to the SQL Server

-- Brief Introduction to SQL Server Security (users, roles, permissions)/*Users are divided into Server login and database users.Roles are divided:Server role (inherent, cannot be deleted or customized );Database roles (inherent, cannot be deleted or custom roles can be added );View online for more help*/ -- Practical

, you will learn more about how AlwaysOn structures are built. Although as a DBA, you may not have any direct interaction with the core infrastructure projects under AlwaysOn and Fcis, but it helps to fully understand how all the technologies are integrated. The final staircase will result in an AlwaysOn configuration of functionality.We'll look at some basics first, including a brief description of the three technologies already mentioned.Many initia

SQL server to determine whether a table or temporary table exists, SQL server 1. Determine whether a data table exists Method 1: Use yourdb; goif object_id (N 'tablename', N 'U') is not nullprint 'There is 'else' print' doesn't exist' For example: Use fireweb; goif object_id (n'temp _ TBL ', n'u') is not nullprint' The

Some digression A good recent phenomenon-more and more Visual FoxPro users are starting to notice the importance of client/server applications, and they are starting to install SQL Server. As a developer, there's no need to get a deep understanding of SQL Server (I personal

other vulnerabilities.SQL injection attacks take advantage of SQL syntax, which makes this attack extensive. Theoretically, for all SQL language-based database software including SQL Server,oracle,mysql, Db2,informix, and network applications connected to it include Active/java Se