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systems of the DMV .... Various log lookups .... You look at them. MySQL's powerful graphical interface hints give you a glimpse of the current database's problems.Indeed, take a look at the graphical operational interface provided by MySQLIs his Niang handsome, the overall platform for the division is very detailed: network, instance status, storage state.And there's a graphical display interface that looks elegant.The content reflected in the above interface is very convenient for finding the
Label:This series of articles from Sqlservercentral, please refer to the original text for details. SQL Server Agent is the job scheduling and alerting service for SQL Server, which can greatly simplify the workload of the DBA if used properly.The core of
Over the past few years, many companies have streamlined their IT departments. Many database administrators (DBAs) have to manage a large amount of SQL Server databases. What's worse is that there is often no real DBA, but you can find someone to act as a real DBA. In addition, sometimes DBAs become fire fighters and a
the real environment I often find hundreds of thousands of servers. For your interest, I suggest you run this script with a domain account. Use unzip xec.exe-s-I cmd.exe "to start a LocalSystem shell and run the preceding script. I think you will be surprised at how many SQL servers can be accessed by the current domain account (I still remember how surprised I was ...). The following is an example of an attack.Attacker Cases There are many attack me
Label:Original: SQL Server 2008 Performance Troubleshooting (i)--IntroductionRemark: I spent a lot of work time translation, no plagiarism, allow reprint, but please indicate the source. Because of the length, not a post all finished, but also not so fast all translated, so according to the chapter published. Due to my limited level, translation results must be problematic, in order not to mislead, at the e
, and memory management is not as good as the first one, and there may be a performance penalty.If a SQL Server virtual machine requires 16 virtual CPUs to cope with the workload. So, what is the optimization of the following configuration options? 1 Virtual Slots (16 virtual cores). 2 virtual slots, 8 virtual cores per second. 4 virtual slots, 4 virtual cores per second. 8 virtual slot
in this article .) If a DBA determines that the memory is under pressure due to the high memory usage on the database server, this person is not comprehensive enough. As mentioned above, it is natural for databases to "like" The memory. Almost all DB servers have high memory usage (unless the maximum memory is set and the maximum memory is much lower than the server
Tags:--pad permissions back Active state upd let SQL--Server role:Fixed server roles have a fixed set of permissions and apply to the entire server scope. They are dedicated to managing SQL Server and cannot change the permissions
Label:This article is the third of the SQL Server Security series, please refer to the original text for more information. In general, you implement the security of users and objects on SQL Server by assigning the principal permissions to objects. In this series, you will learn to perform operations and access
memory, the database read and write efficiency will be higher, the response speed will be faster. This is the best way to use the database.However, in many scenarios, the server is not dedicated to the database, to ensure that other applications on the server can function properly, we must set the maximum memory for the database, or other applications will be due to lack of memory access is not smooth. I h
log wait are key indicators for investigating I/O path performance. Microsoft Knowledge Base822101: The waittype and lastwaittype fields in the sysprocesses tableThis section describes the waiting types and detailed the I/O waiting types related to diagnostic latency or blocked I/O conditions.Back to Top Summary Although blocking and latency I/O problems are rare in SQL Server deployment, they are historic
all stored procedures. But this method cannot find syntax errors in dynamic SQL, so there is no shortcut, you need to execute all the database code. No serious reading of the upgrade white paper. In addition to the basic SQL Server online manual, the DBA can also refer to the upgrade White paper provided by Microsoft
Myth #1: After a server failover, a running transaction continues to execute Of course it's wrong! Each failover is accompanied by some form of recovery. However, if a connection is disconnected because of a server or instance crash that occurs when a transaction is not being executed, SQL Server has no way to re-e
Myth #1: After a server failover, a running transaction continues to execute Of course it's wrong! Each failover is accompanied by some form of recovery. However, if a connection is disconnected because of a server or instance crash that occurs when a transaction is not being executed, SQL Server has no way to re-est
ignored, and SQL Server 2000 is automatically assigned a value. If the data file does not contain values for computed columns or timestamp columns in the table, the available format files specify that computed columns and timestamp columns in the table should be skipped when the data is imported; SQL Server will autom
Tags: style blog http io color OS using SP strongOriginal: SQL Server Enterprise Platform Management Practice reading notes--about how SQL Server databases are backed upData backup has always been considered a database of life, that is, one of the main skills of a DBA, this
function can beView, the trigger doesn't have a small lock iconOther featuresThe show DDL script shows the object's creation script, and decrypt In-place I won't say it.Note that the following interface is the interface in the Dbforge SQL decryptor tool, not the interface in SSMs, although the interface of this tool is much like the SQL2012 SSMs interfaceSummarizeOnce the DBA has this tool, it is not afrai
database to a compressed database by restoring or restoring a database backup using a T-SQL. The following is a test I conducted, which is compressed by about 50%. The operation interface is as follows: After a data test, it took six minutes to insert 1000000 of the data and enable the compressed database. The database that didn't enable the compression did not even run for six minutes. It may be because my Io is not good enough, using
Misunderstanding #1: After server failover, ongoing transactions continue to be executed Of course this is wrong! Each failover is accompanied by some form of recovery. However, if the transaction being executed does not have a Commit, the connection is disconnected because the server or instance crashes, SQL Server
database system is still a relational database system, which represents products such as SQL Server, Oracle, DB2 and so on. The relational database system queries and accesses data in the database mainly through the SQL (Structured query Language) language. This chapter will focus on some of the basics of database systems and
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