sql server duplicate database

Alibabacloud.com offers a wide variety of articles about sql server duplicate database, easily find your sql server duplicate database information here online.

List of bugs fixed in SQL Server 2000 Service Pack 4

For more information about bugs fixed in SQL Server 2000 Service Pack 4, click the following article number to view the article in the Microsoft Knowledge Base:314128 FIX: When an RPC call is performed, Access with conflicting values includes an

Ms SQL Server 2000 administrator manual series-30. Microsoft SQL Server Management

30. Microsoft SQL Server ManagementAutomatic Setting of SQL ServerDatabase Maintenance PlanSummaryUsing appropriate settings and performing routine maintenance tasks in the database is the key to optimizing the server. This chapter describes the

How to delete duplicate rows in an SQL Server table

Original article: http://support.microsoft.com/kb/139444/SummaryThe Microsoft SQL Server table should not contain duplicate rows and non-unique primary keys. For the sake of conciseness, we sometimes refer to the primary key as "key" or "Pk" in this

If the SQL statement inserts duplicate primary keys or data already exists, update the data.

This is often the case when developing databases:When a piece of data does not exist, insert the data. If the primary key of the data already exists in the database, update the data.How do you do this? First, query data based on the primary key, and

SQL server calculates the value of a field in the database, removes duplicate data, and SQL server

SQL server calculates the value of a field in the database, removes duplicate data, and SQL server Sometimes, some duplicate data exists in the database, but we want to calculate the value of a field, and we need to remove the duplicate data ,: In

SQL Server Basics

Server 1.1. SQL Server development process SQL Server is a relational database management system for Microsoft Company, but it has to start with Sybase in terms of its history. SQL Server was developed from the late the 1980s, the earliest

Ms SQL Server 2000 administrator manual series-18. creation and use of View tables

18. Create and use a view tableView tableView table conceptsCreate a viewModify and delete a tableEnhanced viewing table functionality in SQL Server 2000SummaryIn Chapter 17th, we learned about indexes. indexes are a secondary database structure

SQL SQL Server (verbose) SQL statement optimization _mssql

MS SQL Server Query optimization methodThere are many reasons for the slow speed of queries, which are common1, no indexes, or no indexes (this is the most common problem with query slowness, is the flaw in programming)2, I/o throughput is small,

Quickly delete duplicate records in SQL Server

Quickly delete duplicate records in SQL Server 2006-07-17 21:53:15Category: SQL Server    Developer's Nightmare-delete duplicate recordsPresumably, every developer has had a similar experience, when querying or statistics of the

SQL Server practical experience and tips

This article is a collection of SQL Server practical operations tips, including SQL database MDF data file database recovery, during installation, the system prompts pending operations, shrinking databases, compressing databases, transferring

Total Pages: 15 1 2 3 4 5 .... 15 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.