External Article

MDX Essentials: The CROSSJOIN() Function: Breaking Bottlenecks

In this article, we will return to a function we introduced in an earlier article, CROSSJOIN(), whose mission it is to combine two sets of dimension members into one. We will discuss how CROSSJOIN() works in general, and then discuss how its performance can become an issue in medium to large-sized data sets. We will then undertake a multiple-step practice example intended to assist us in gaining an understanding of the issues, before exposing approaches to minimizing the performance overhead that we can encounter in using CROSSJOIN() to reach our reporting and analysis needs.

SQLServerCentral Article

Data Archiving: Problems and Solutions

SQL Server does an exceptional job at managing your data and making it available for your users and applications. However it doesn't know when you are done with data and there is not archival solution built. Author David Poole likens not having a strategy to leaving certain undesirable clothing items on your floor and provides some common problems and potential solutions based on his experiences.

Technical Article

Secure options for remote SQL Server administration

In this two-part series, Serdar Yegulalp explains how to remotely administer SQL Server without compromising network security. In part one below, he describes two methods for providing secure administrative access to remote employees. In part two, he'll examine practical problems you may encounter when remotely administering SQL Server and how to work around them.

Technical Article

Surrounding the ETL Requirements

November 13, 2004 / Issue TOC

Surrounding the ETL Requirements

Before designing an ETL system, you must first understand all of your business needs.

By Ralph Kimball , Margy Ross

Ideally, the design of your extract, transform, and load (ETL) system begins with one of the toughest challenges: surrounding the requirements. By this we mean gathering in one place all the known requirements, realities, and constraints affecting the ETL system. The list of requirements is pretty overwhelming, but it's essential to lay them on the table before launching a data warehouse project.

The requirements are mostly things you must live with and adapt your system to. Within the framework of your requirements, you'll have many places where you can make your own decisions, exercise your judgment, and leverage your creativity, but the requirements are just what they're named. They are required.

Technical Article

Using Parent Package Variables in Package Configurations

Package configurations are now the prescribed way of being able to set values within your package from an outside source. One of the options for the source is Parent Package Variable. The name is perhaps a little misleading so this article is meant to guide you through this slight confusion and into using them. It also helps to explain a key concept in SQL Server Integration Services

Blogs

Master SQL Subqueries with This Free Course

By

Want to boost your SQL game? Check out this free course, SQL Subqueries: Real-World...

Using Flyway Prepare for State-Based Deployments

By

One of the neat enhancements made to Flyway was the addition of state-based workflows...

How I Migrated to Azure PostgreSQL Flex from Single Server

By

I did a couple of posts previously on dumping/restoring Azure PostgreSQL databases and also...

Read the latest Blogs

Forums

Air France Nairobi Office

By rightcheckin5

Hey, At the Air France Nairobi Office, my mom had an amazing experience. When...

When trying to use a LocalDB, I get an error

By Doctor Who 2

I tried to find an appropriate forum to post the question. This one seems...

Resolving Access Denied Errors During SQL Server Database Attachment

By Noman072

Comments posted to this topic are about the item Resolving Access Denied Errors During...

Visit the forum

Question of the Day

SQL in an Azure VM Backup

If I use the Azure Backup service for automated backups of my SQL Servers in Azure VMs, how often can I configure log backups? (as of Dec 2024)

See possible answers