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', SIZE = target_size_in_MB)-- Desired target size for the data file Alter database tempdb MODIFY FILE(NAME = 'templog', SIZE = target_size_in_MB)-- Desired target size for the log file3. Press Ctrl-C in the Command Prompt window to stop SQL Server, restart SQL Server as a service, and then verify the size of the Tempd
, you'll know the name of some Microsoft Business Intelligence technology. But be aware--they are just literally the same. The latest version of this BI platform features an overview of the first enterprise-class product. SQL Server products have taken a significant step forward in the scalability of the Product analytics feature. With
PrefaceAfter the analysis of the previous several articles, I have gotten a glimpse of the importance of SQL Server statistics, so this article is about to sacrifice this artifact.The content of this article will be very long. Sit on the bench and enjoy melon seeds and snacks...No nonsense.Technical preparationThe database version is
SQL Server connection Error Analysis 1. "SQL Server does not exist or access is denied" This is the most complex. There are many causes of errors and there are many aspects to check. Generally, there are several possibilities: 1. incorrect spelling of the
there is no need for all the scans. You can refer to MSDN for further understanding of the meaning of these parameters.The query is as follows: SELECT ix.name as ' name ' , ps.index_level as ' level ' , Ps.page_count as ' Pages ' , ps.avg_fragmentation_in_percent as ' External fragmentation (%) ' , ps.fragment_count as ' fragments ' , ps.avg_fragment_size_in_pages as ' avg Fragment size ' From Sys.dm_db_index_physical_stats (
the cause of the deadlock. 1. Create a test table. On Microsoft SQL Server Management Studio, create a new query and write the creation table DealLockTest_1 DealLockTest_2: Script: UseTest -- Create two tables used for analysis deadlock: DealLockTest_1 DealLockTest_2 Go SetNocountOn Go Ifobject_id ('d
SQL Server database memory will increase problem analysis SQL Server memory will increase When the SQL Server database engine is in Microsoft
storage and retrieval time is longer, it also has a negative impact on the overall performance of the application. (If you use select * from xxx to write a query, it will be slow)3. The FILESTREAM data type introduced in SQL Server 2008 stores unstructured data, such as documents, presentations, videos, audios, images, and databases. It stores a pointer on the file system. In
have a negative impact. (If you write the query with SELECT * from XXX is very slow) 3. The FILESTREAM data type introduced in SQL Server 2008 stores unstructured data, such as documents, presentations, videos, audio, images, and a pointer to a file system stored in the database. In SQL Server 2008, the new FileStream
storage and retrieval time is longer, it also has a negative impact on the overall performance of the application. (If you use select * from xxx to write a query, it will be slow)3. The FILESTREAM data type introduced in SQL Server 2008 stores unstructured data, such as documents, presentations, videos, audios, images, and databases. It stores a pointer on the file system. In
SQL server logs in Log Viewer To view SQL server logs in SQL Server Management studio, follow these steps: (1) start SQL Server Management
sources and solutions: The memory bottleneck related to data page cache is determined through the previous analysis. It is necessary to analyze why this is the case and the solution. It can be divided into the following five aspects: 1. External Pressure If the OS level or other application services require more memory, windows will compress the memory size of Database Pages. The memory pressure comes fr
Every time we talk about the high availability of SQL Server, many DBAs, especially SQL Server DBAs, feel a pain: Because we all think that SQL Server cannot or is difficult to implement SQL
execution plans for reuse. When the memory is insufficient, the SQL Server mechanism first clears the execution plan cache. This value is displayed as a decrease or a low level. Query the current user task wait: CopyCode The Code is as follows: Select * From SYS. sysprocesses If the memory is insufficient, a large number of async_io_completion wait types are displayed. This is because when memory is in
In SQL Server Analysis Service, dimension is a very important concept. Generally, a dimension contains multiple attributes, each of which is an object (such as customer and product). In this way, all possible values are listed for specific attributes of each dimension. In some cases, these attributes have millions of values and do not have any hierarchy, which is
made of delicious food, and the average chef just cooked the dishes. 4. Is high availability just a database technology? Implementation of high availability, not just the database level above the content, in fact, more need is the design and architectural capabilities. Need to know, software, hardware, operating system, network, database and other technologies. and high availability is not a specific technology, but a concept, the realization of the method is thousands. Some people say "hi
Symptom: Create Three query statements in the query Analyzer Begin tran Select * From Table1 with (tablock, updlock) After each execution, Block the original query statement in the first query analyzer InterfaceThen writeCommit tran At this time, the second query interface or the third query interface will query the data of Yao Xiang, but the other one will see the deadlock information. The following lock mechanism: (originated from www.aspxuexi.com) Locks are a very important concept in networ
of a dimension, called a slice. 14. Data drillthrough: The end user selects a single cell from a regular cube, virtual cube, or linked cube, and retrieves the result set from the cell's source data for more detailed information, which is data drillthrough. 15. Data mining Model: Data mining allows you to define a model that contains grouping and prediction rules to apply to data in a relational or mu
SQL Server installation analysis. For versions earlier than sqlserver2000, such as 7.0, there are generally no multiple versions. only the standard edition and the Desktop Edition are available. if you do not know what version to install, you can install SQL server versions
Technical preparationBased on SQL Server2008R2, Microsoft uses a simpler case Library (Northwind) for parsing.IntroductionThe so-called index application is in our daily write T-SQL statement, how to use the existing index, then analysis is what we write query conditions, in fact, most of the situations are nothing mor
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