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Source: Microsoft SQL Server Analysis Service Data mining technologyThe latest data mining capabilities in Microsoft SSAs are required in a project, although the data mining capabilities in SSAS have never been understood in the past when projects were often used in the SSAS cube (that is, Cube). So through the project
following is a simple example showing the effect of using this hint, example T-SQL as shown in Listing 1: SELECT * from [adventureworks].[ Sales]. [SalesOrderDetail] A INNER JOIN [Sales]. SalesOrderHeader B on A.salesorderid=b.salesorderid Code Listing 1. The statement does not go in parallel by default and the execution plan is shown in Figure 1: Figure 1. Let's add a hint to the statement below, as shown in Listing 2. SELE
Recently due to work needs, I hope that a more comprehensive summary of SQL Server database performance optimization related considerations, search on the internet, found a lot of articles, and some are listed hundreds, but look at the discovery, there are many specious or outdated (may be on the SQL SERVER6.5 the previous version or Oracle is suitable for the in
SQL Server 2000 creates a cub file for a multi-dimensional dataset Choose Mircosoft SQL Server> Analysis Services> MDX sample application.ProgramAnd then you can write mdx Assume that the (db) multi-dimensional database cetscoredw is created using as and the (cube) Mu
Sandvik Tooling, a Swedish tool maker with more than 15,000 employees in nearly 70 countries, needs a centralized reporting solution to help its managers monitor the operations of their businesses. By using the Microsoft®sql server™2005 beta version, The company creates a data warehouse for reporting and analysis. The Microsoft SQL
SQL Server Performance Optimization (1) Database Design Can you refer to the recent forum on the emergence of an excellent post http://topic.csdn.net/u/20100415/10/a377d835-acbd-4815-8bcb-b367f88ac8b5.html? 92227Database design includes physical design and logical design:Physical DesignYou can use the raid hardware architecture.To put it simply, the usage policy is as follows:A. raid0 can be used in a read
, generally believed that the closer the data from the method efficiency higher. With a careful use of cascading deletes and cascading updates, cascading deletes and cascading updates as new features of SQL SERVER 2000, are reserved in 2005 and should be available. I'm talking about caution here, because cascading deletions and cascading updates have broken through the traditional definition of foreign keys
This article describes the 10 most important features of SQL Server 2005 in terms of database business intelligence features ... Analysis Services SQL Server2005 Analytics Services have entered the field of real-time analysis. From enhancements to upgradeable performance to deep integration with Microsoft Office software, SQL
Brief introduction After SQL Server 2012, the window functions have been greatly enhanced, but for many developers, the window function is not well understood, resulting in such a powerful function is wasted, so this article mainly discusses the concept of Windows function in SQL Server. What is a window function wi
Brief introduction: This article describes how to configure the security settings for the SSAS database and cube-related dimensions. The security settings for configuring profiling services in Management Studio are basically the same relative to the data engine. But there are also limitations, such as the privilege Configuration for SSAS, which is done around the role, and secondly, the members of the role must be based on Windows or ad environments
The most obvious feature of SQL differs from other programming languages is the order in which the code is processed. In a large number programming language, code is processed in encoded order, but in the SQL language, the first processed clause is the FROM clause, although the SELECT statement first appears, but is almost always finally processed.Each step produces a virtual table that is used as input to
IntroductionIn SQL Server, an index is an enhanced presence, which means that even without an index, SQL Server can still implement its due functionality. However, indexes can greatly improve query performance in most cases, especially in OLAP. To fully understand the concep
only a super scientist who has made outstanding contributions, but is also recognized as a leader in the field of research. As the traditional mainstream of the computer, the database only three Turing Award winners, are the famous characters, the creation of their own era. E.f.codd, one of the big Three, died in 2003, and the father of the database, Bachman, had retired and left academia, and the current study only remaining only Jim Gray: Charles W. Bachman (1973)--databaseEdgar Frank Codd (1
and WHERE clauses Multithreaded operations Let's get to know it in more detail. SQL Server often extracts data from memory and disk, so it is rare to use only a single data page. In most cases, multiple parts of an application operate on a single record, run multiple smaller queries, or join tables to provide a complete view of the relevant data. In an OLAP
Server We always put the word SQL Server on the tip of our tongue, and perhaps very few people think about what SQL Server is. The question is difficult to make clear in a few words. The reason we have to discuss SQL
implemented in a stored procedure, we use a undocument query hint directly on the statement, which causes the parallel cost threshold of the query to be reduced to 0, which forces the statement to go parallel and the statement execution time from 20 seconds to 5 seconds (note: Using the hash join hint is 7 seconds). The following is a simple example of the effect of using this hint, as shown in Listing 1 of the sample T-sql: from [AdventureWorks]. [S
Analysis Services in Sqlserver2005 supports two ways to connect to a database (1) Windows Authentication Mode (like "Data source=limj"; Catalog=analysis Services Tutorial; connectto=9.0;integrated Security=sspi "); (2) HTTP authentication mode (like "Provider=msolap"; User Id=administrator; password=119; Persist Security info=true;initial catalog=datacenterdw;data Source=http://limj/olap/msmdpump.dll ") Because of the needs of the company's softwar
needs less resources, but the temporary table is established with only one snapshot of the data (snapshot). Create a table (Make table) Make table (creating tables) in Access can be performed through the Build Table statement "CREATE TABLE" in a transaction-processing SQL script or a transaction in a stored procedure. The syntax looks like this: SELECT [All | DISTINCT] [{Top Integer | Top integer PERCENT}] [with TIES]] [Into new_table] [From {[WHERE
Getting Started with SQL Server replication (i) Introduction to----replicationIntroductionReplication in SQL Server (Replication) is one of the core features of SQL Server high availability, which in my view is not just a technolo
intention is to repeat. This is also the meaning of replication in SQL Server, which means that the core function of replication is to store and forward, meaning that after changing the data in one place and adding and removing it, the action is repeated to the other data sources, as shown in concept 1. Figure 1: Basic Concepts of replication Of course, the model above is a copy of the simplest model, th
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