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Microsoft SQL Server e tecnologie per la gestione dei dati
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SQL Server Engine Whitepapers

Titolo: SQL Server 2000 I/O Basics

Autore: Bob Dorr, Microsoft SQL Server Escalation

Sommario: Learn the I/O requirements for Microsoft SQL Server database file operations. This will help you increase system performance and avoid I/O environment errors.

Titolo: Statistics Used by the Query Optimizer in Microsoft SQL Server 2005

Autore: Eric N. Hanson e contributore: Lubor Kollar

Sommario: Microsoft SQL Server 2005 collects statistical information about indexes and column data stored in the database. These statistics are used by the SQL Server query optimizer to choose the most efficient plan for retrieving or updating data. This paper describes what data is collected, where it is stored, and which commands create, update, and delete statistics. By default, SQL Server 2005 also creates and updates statistics automatically, when such an operation is considered to be useful. This paper also outlines how these defaults can be changed on different levels (column, table, and database).

Titolo: Database Concurrency and Row Level Versioning in SQL Server 2005

Autore: Kalen Delaney and Fernando Guerrero

Titolo: Physical Database Storage Design

Autore: Kathy Lu, Lewis Bruck

Sommario: This article provides a guide for physical storage design and gives recommendations and trade-offs for physical hardware design and file architecture.

Titolo: Failover Clustering for Microsoft SQL Server 2005 and SQL Server 2005 Analysis Services

Autore: Allan Hirt (Avanade, Inc.), Dave Whitney (Microsoft)

Sommario: This white paper is intended mainly for a technical audience and not technical decision makers. It complements the existing documentation around planning, implementing, and administering of a failover cluster that can be found in Microsoft® SQL Server™ 2005 Books Online. To ease the upgrade process for existing users of failover clustering, this white paper will also point out differences in the failover clustering implementation of SQL Server 2005 compared to that of SQL Server 2000.

Print | posted on mercoledì 31 maggio 2006 20:07 |

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