multiple case statement in sql server

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 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,

Address: http://blog.csdn.net/zjcxc/archive/2005/07/06/415711.aspx Author: zhujian1. How to understand SQL Server instances In the project implementation process, many users need to develop a new SQL Server-based system. After the system is accepted,

SQL statement optimization improves database performance and SQL statement database performance In systems with unsatisfactory performance, apart from the fact that the application load exceeds the server's actual processing capacity, it is more

Original address: http://www.cnblogs.com/lyhabc/p/3367274.htmlBefore reading this article, you can read the following article firstSQL Server's unique task scheduling algorithm "Sqlos"Task Scheduler for SQL Server Sqlos [go]Translated

SQL Server reads the statistical information of statement execution. In addition to the execution plan, there are other factors to consider, for example, the statement Compilation Time, execution time, and number of disk reads. If the DBA can test

In keeping your servers and data secure from the current complex attacks, SQL Server has everything you need. But before you can effectively use these security features, you need to understand the threats you face and some basic security concepts.

The performance of the system is not ideal, except in part because the application load does exceed the actual processing capacity of the server, more because the system has a large number of SQL statements need to be optimized. In order to achieve

Core tips: About the execution plan Select Show execution from the query menu of the SQL Server Query analyzer. Plan: run the SQL query statement. The results window contains grid and execution. Three tabs: plan and messages. The execution

In our project development, we often encounter the requirements of multiple conditional fuzzy queries. There are two common solutions for this: one is to stitch the SQL string at the end of the program, construct the corresponding SQL string based