--Calculate space by page, have performance impact, basic accuracyexecsp_spaceusedGo ----Can @updateusage = ' true ' and will run DBCC UPDATEUSAGEexecsp_spaceused@updateusage = 'true'Go ----Displays the number of page and row count errors in the catalog view for a database and correctsDBCCUpdateusage ('Shyanglao')Query page already uses sizeResults such as:2. Data files2.1 Data File Size UseMaster--View all files and sizes in a databaseexecsp_helpfile--View all files in the database, path, st
Label:Original: SQL Server DBA work detailsIn a Microsoft SQL Server 2008 system, the database administrator, or DBA, is the most important role in the administration. The DBA's goal is to ensure that the Microsoft
In a Microsoft SQL Server 2008 system, the database administrator (DB administration, referred to as DBA) is the most important role. The goal of the DBA is to ensure that the Microsoft SQL Server 2008 System runs normally and eff
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 an Android programmer sees himself in college and hangs up and repeats his lost friend after working as a DBA: "If y
2YearSQL Server DBAOptimization Summary
When I was a dBA for two years, I felt that some things needed to be shared and discussed with you.
Book order
1. "in-depth analysis of SQL Server 2008 series" is the technical insider series of MSSQL 2005. I am also interested in version 2012. The technical insider series is my
Many developers want to be a DBA, and a lot of people start by positioning themselves as a dba,dba. What kind of knowledge and skills do you need to know? Here's myWhile doing DBA work and interviewing DBAs, some of the 30 DBA issues that have been collated, as well as the s
Why does the SQL Server DBA learn PowerShell?
From: http://www.simple-talk.com/ SQL /database-administration/why-this-sql-server-dba-is-learning-powershell/
Joe. TJ is used only for the
Tags: organize return index blog SQL Server point ref href 64 bitOriginal link: http://www.cnblogs.com/fygh/p/3288701.htmlFrom the initial release of SQL Server DBA Eve asked for more than a year, you have some of the issues discussed more intense, to answer these questions
Many developers want to be a DBA, and many people first position themselves as a DBA. What knowledge and skills do DBAs need to master? Below are my
During DBA work and interviews with DBAs, there were thirty questions about DBAs. Among the thirty questions, there were many minor questions, covering the skills of SQL
Many developers want to become a database training, and many people first position themselves as a DBA. What knowledge and skills does DBA need to master? Below are myDuring DBA work and interviews, there were thirty questions about DBAs and many minor questions about the thirty major questions, it covers many technical knowledge points of
a diagram of the MySQL database structure:MySQL database in the storage engine part of the implementation of pluggable design (pluggable Storage Engines), you can choose different types of storage engine implementation according to the requirements.
Feature
InnoDB
MyISAM
Memory
Storage Limits
64TB
256TB
Ram
Transactions
Yes
No
No
Locking Granularity
Row
Table
Tags: structure resource partition table cannot dba resolves emergency temp SQL1. Talk about the difference between clustered index, nonclustered index, hash index and their merits and demerits, include covering index's function, relative to the advantage of composite index; 2. What is the structure of the log file, what is the difference between the data written to the log file and the data file, the reason why the log file cannot be shrunk, what the
concerned about those indicators (including SQL Server and Windows), how to develop performance baselines, which monitoring software you have used;26. Database migration steps; rebuild a larger set of test systems (minimum of 10 db instances), if the original DB data volume is not large, but DB is more, the new system data are not needed, how to quickly achieve;27. Create cluster brief steps, require a min
10 errors that SQL Server DBA can easily commitTranslated from: http://sqlsentry.tv/top-10-administrative-mistakes-on-sql-server/In addition to the top ten mistakes, other top-ranked errorsAside from SQL
a lot of time, and the speed is slow
2. MASTER: it contains a system table set, which is the central repository of the entire instance. It maintains logon accounts, other databases, file distribution, system configuration settings, disk space, resource consumption, endpoints, andLink to the server. It records sql2005 initialization information, so it is extremely important to the instance. In the process of creating, modifying, or deleting a user dat
The only reason for backupThe only reason for the backup is that we can restore when I first became a SQL Server database administrator, as long as the backup work can run successfully, I feel that everything is fine. I'll look at the SQL Server Agent to make sure those jobs are running, and that's it.I think as long a
Map location.If you want to query the definition of a catalog view, you can use the Object_definition function or sp_helptext to query.SELECT object_definition (object_id('sys.tables'));EXEC ' sys.tables ' ; EXEC ' sys.tables ';There are some other ways to access SQL Server metadata information:
Information Architecture view (information schema views)
Systems functions (System Functions)
s
TechTarget Reporter was fortunate enough to interview SQL Server consultant and popular blogger, Denny Cherry, in June. He talked about three things that SQL Server DBA needs to know, and describes the trends in SQL
to remove the space on both sides!) nvarchar (n): A variable-length Unicode character data that contains n characters. The value of n must be between 1 and 4,000. You can store up to 4,000 characters, both English and Chinese, in 2 characters. varchar: If the possible value of a field is not fixed length, we only know it cannot exceed 10 characters, it is the most advantageous to define it as varchar (10). Stores variable-length data, so it does not fill with spaces, but storage efficiency i
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