SQL Server Articles


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Transferencia de las Estadísticas de SQL Server de una Base de Datos a otra

Nota del traductor: Algunas palabras se han mantenido en inglés por no disponer en castellano de una traducción apropiada, en el lenguaje computacional. Esas palabras son las siguientes con su traducción literal en algunas de ellas y con un pseudo castellano en otras. Constraints: Restricciones, limitaciones, Obligaciones Default: Por defecto, a falta de… Setting: Ajustes, […]

MANTENIMIENTO: Reorganización de Índices – Actualización de Estadísticas

Dentro de las tareas habituales de Mantenimiento de las Bases de Datos se encuentran aquellas destinadas al control y respaldo de las mismas como ser: Control de Integridad, Chequeo de Consistencia, Copias de Seguridad o Compactación de las bases. Pero también es necesario ejecutar trabajos de mantenimiento cuyos objetivos sean el de mantener la performance […]

Implementing the SQL Server Multiple Publishers and Central Subscriber Replication Topology

Introduction This article describes how to set up the following topology: where P1 and P2 are two different publishers and S is the central subscriber. This is a fairly typical requirement, e.g. the subscriber might be a head office and the publishers are each separate branch of a company. In this arrangement, data often needs […]

SQL PASS Community Summit vs. SQL Server Connections Conference

In the past, I have attended SQL PASS five times, and this past week, I attended my first SQL Connections conference. For those who have not been able to attend both, I thought I would describe some of the differences I found between the two. Two Different Focuses The SQL PASS Community Summit focuses on […]

Large Data Operations in SQL Server

The articles in the Quantitative Performance Analysis series examined the internal cost formulas used by the SQL Server query optimizer in determining the execution plan and the actual query costs for in-memory configurations. The previous articles restricted the actual query cost analysis to in-memory cases where all necessary data fit in memory so that performance […]

SQL Server Replication Across Domains and the Internet

Replication over the Internet or across non-trusted domains is usually performed using a virtual private network (VPN), and consequently the configuration is much the same as that used on a LAN. This article outlines what to do if such a VPN is not available. While it’s true that in almost all cases you wouldn’t consider […]

Transferring SQL Server Statistics From One Database to Another

Many production databases today are in the tens or hundreds of gigabytes in size. That size is not a problem for production hardware. However, developers generally like to work on their personal computers, including notebooks with limited disk capacity, so a 10-100GB database size is an issue. Furthermore, it can be impractical to transfer such […]

SQL Server 2005: The Replication GUI

This article describes the changes to replication from the point of view of the SQL Server 2005 GUI. In case you haven’t already been checking out the new version, ‘Microsoft SQL Server Management Studio’ is the new graphical replacement for ‘Enterprise Manager’. It’s probably true to say that unlike many other administrative tasks, most DBAs […]

SQL Server Parallel Execution Plans

Microsoft SQL Server introduced parallel query processing capability in version 7.0. The purpose of parallel query execution is to complete a query involving a large amount of data more quickly than possible with a single thread on computers with more than one processor. Books Online and various Microsoft documents describe the principles of parallel execution […]

Processor Performance, Update 2004

This article is a follow on to the original processor performance article I wrote, with analysis of processor performance results released in the last year. The original article explains many of details discussed here. Of the new material presented here: First, the range of results published for the TPC-C benchmark now allows meaningful analysis. Second, […]
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