SQL Server 2005 books online (September 2007)
FETCH (Transact-SQL)
You can use a Transact-SQL Server cursor to retrieve specific rows.Syntax
FETCH [ [ NEXT | PRIOR | FIRST | LAST | ABSOLUTE { n | @nvar }
Recently in the analysis of the new features of offset and fetch in SQL Server 2012, it is quite good to find that the offset and fetch, whether the syntax is concise or powerful, are fairlyWhich offset and fetch the most important new features are
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,
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 202 adds new features that add OFFSET and FETCH clauses to the ORDER BY clause to achieve a paged query effect.The syntax in the ORDER BY clause is as follows: (reference: ORDER BY clause (Transact-SQL))ORDER by Order_by_expression
Writing:Pretend to have a table shop, which has a list of shopname, taking 100000 to 100,050 data.The writing of Row_numberSELECT * from (SELECT Over (ORDER by Shopname) as R from Shop ) TWHERE R>100000 and R100050The writing of
Before SQL Server 2012, the implementation of paging was primarily using row_number (), in SQL Server2012, you can use the offset ... Rows Fetch Next ... Rows only way to implement paging data query.Select [Column1] ,[Column2] ...
We do the management software, the main core is in the data storage management. So database design is our priority. In order to make our management software stable, scalable, excellent performance, traceable troubleshooting, upgradeable deployment,
Anatomy of the SQL Server kernel Architecture (reproduced)This article in my computer for a long time, today careless to turn out, think write very good, so posted out to share.Have to admit that a good software is a step-by-step accumulation of
Today to see a Bo Friends of the article, feel good, reprint, hope to help you, more articles, please visit: http://blog.haoitsoft.com1, no index or no index (this is the most common problem of slow query, is the defect of program design)2, I/O
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