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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,
35. use SQL query analyzer and SQL profilerUse SQL query AnalyzerUse SQL profilerOptimize T-SQL statementSummaryIn this chapter, we will continue with the description of the pre-stored procedures in Chapter 21st. This chapter describes how to use
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
13. T-SQL and SQL query AnalyzerWhat is SQL?What is T-SQL?Introduce new features of T-SQLHow to Use T-SQLSummaryIn this chapter, we will introduce some basic concepts about the Structured Query Language and transact-SQL and their differences. This
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
11. Microsoft SQL server network settingsOverview of Network ServicesSQL Server application interfaceNetwork Connection LibraryNetwork components and SQL server performanceNetwork MonitoringSummaryAfter you install Microsoft SQL Server, you must set
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
Paip. program function time performance optimization and SQL statement Optimization
Author attilax,1466519819@qq.com
Tracking Tool xdebug ..1
Profiler log analysis tool wincachegrind.2
Obtain the complete SQL statement from the code for testing..
1. Select statement Constituent element 1.1 SELECT *Avoid using SELECT *When you want to list all columns in the SELECT clause, it is a convenient way to refer to ' * ' Using a dynamic SQL column. Unfortunately, this is a very inefficient approach.
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