SQL Server

Recently, SQL Server 2000 Analysis Services was installed to study the data warehouse. However, after being installed, you cannot browse the multi-dimensional dataset of the sample database. The error message is "no error specified "; then I tried

1. Open the SQL query analyzer (t-SQL) 2. Enter the query statement: Alter database name Modify file (name = original logical file name, newname = new logical file name)Alter database name Modify file (name = original logical file name, newname =

The Table Partitioning technology introduced by SQL Server 2005 allows you to distribute data to different physical disks to improve the parallel processing performance of these disks to Optimize Query performance. The SQL Server database table

Only part of the page by UI If the data volume of a query result is huge, the page is displayed when the data query is required, and only one page is returned each time. Method 1:The idea is to extract two parts of data based on the page number,

Clustered index,The data stored in the table is stored in the order of indexes. the retrieval efficiency is higher than that of normal indexes, but it has a greater impact on the addition, modification, and deletion of data. Non-clustered

From SQL Server help document It helps you optimize the query speed! RecommendedSp_executesqlInstead of using the execute statement to execute a string. Support Parameter replacement not onlySp_executesqlMore common than execute, and also makeSp_

Execute the following SQL Declare   @ T   Int Exec ( 'Set @ T = 1 ' ) Print ( @ T ) The following error is reported!Server: Message 137, Level 15, status 2, Row 1Variables must be declared'@ T'.  

RelatedArticleData Replication Advantages compared with DTS1. Ultra-fast replication2. Incremental replication Notes during preparation You can set up a server as the distributor or use the source data server as the distributor. 1. When you set

How can I determine whether an SQL Server table exists? If I need to know whether a table exists in the SQL database, what should I do? The following describes how to determine whether an SQL Server table exists. If you are interested in this, take

In the development of PHPProgramYou can use multiple connection methods to access various databases to obtain the required data. Since PhP5, PDO has included all database interfaces as new things, providing developers with a convenient and fast way

SQL Server tool for writing stored proceduresFunction: creates an update stored procedure for a given table.Syntax: sp_genupdate Table Name > , Primary Key > , Stored Procedure name > Take the northwind database as an

SQL Server tool for writing stored proceduresThe following are the source code of the two stored procedures:/* ===================================================== ======================================Syntax: sp_geninsert Table Name > ,

Such as table ------------------------------------------------- Table1 | Table2 | ------------------------------------------------- ID name | ID score | 1 Lee | 1 90 | 2 Zhang | 2 100 | 4 Wang | 3 70 | ------------------------------------------------

ArticleDirectory Syntax Example 1 Example 2 Definition and usage The datediff () function returns the number of days between two dates. Syntax Datediff (Datepart,Startdate,Enddate) StartdateAndEnddateA parameter is a valid

Continue with the previous article and SQL Server INDEX OPTIMIZATION practices. This article discusses index coverage-SQL Server mainly uses indexes to query the data you need. When the index contains all the fields you requested to query, SQL

Recursive usage of Database User-Defined Functions First look There is such a tree structure table, For example: The C18 digital camera is under the C12 digital product category While C12 digital products are in the C2 IT product category again!

Example:   Id txt   1 aaa   1 bbb   2 ccc   3 ddd   3 eee   3 fff       Select ID, *** (txt, ';') from TB group by ID   Result:   1 AAA; bbb   2 ccc   3 DDD; EEE; fffMethod ----------------------------------------------------------------Create

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

Sample Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> -- Create Test Database Create Database Test Go Use Test Go -- Create test table Create Table Test(ID

The default datetime format of the Chinese version of SQL Server is yyyy-mm-dd Thh: mm: ss. mmm.For example:Select getdate ()11:06:08. 177I sorted out the date format conversion methods that may be frequently used in SQL Server:Example:Select