Analysing Sales Patterns: R + SQL Server
We show how to use RevolutionR to analyse & visualise purchasing behaviours in AdventureWorksDW2012.
We show how to use RevolutionR to analyse & visualise purchasing behaviours in AdventureWorksDW2012.
In this article Randy Dyness shows you how to avoid temp tables whenever to maximize the performance of your queries.
Reporting Services is one of the most widely used subsystems in SQL Server and there have been some very creative solutions invented by DBAs around the world. New author Carolyn Richardson is one of those, bringing us a implementation that tracks uptime and disk space for her SQL Servers
This article by James Travis details the differences between IS NULL and = NULL. He also discusses the ANSI_NULLS setting.
Database code analysis will reduce the number of 'code smells' that creep into your database builds. It will alert the team to mistakes or omissions, such as missing indexes, that are likely to cause performance problems in production. It will allow the Governance and Operations team visibility into production readiness of the code, warning them of security loopholes and vulnerabilities. William Brewer describes the two technical approaches to database code analysis, static and dynamic, and suggests some tools that can help you get started.
When we look to improve software, we are often expressing our opinion on which items need to be handled first. It's helpful to keep in mind that it's an opinion being expressed, and not a vote, no matter how much it is solicited by a company.
The transaction log backup is stored in SQL Server proprietary format, just like the transaction log itself. Even though the transaction log backup is in a special format, Microsoft has provided us with the fn_dump_dblog() function to read transaction log backups. This function is undocumented, so you should use care when using this function in a production environment.
Cloud-based services and applications must still be monitored just like the on-premise ones. You still need most of your data center activities that ensure that your planning, budgeting, security and service-level obligations are met wherever the data and services are actually hosted. There is much to be said for an integrated approach to providing a unified view of entire application workloads on-premise. hybrid and cloud using the same tools wherever possible.
By DataOnWheels
The T-SQL Tuesday topic this month comes James Serra. What career risks have you...
This T-SQL Tuesday is hosted by the one and only James Serra – literally...
By Steve Jones
This month we have a new host, James Serra. I’ve been trying to find...
Comments posted to this topic are about the item OPENQUERY Flexibility
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Which of these are valid OPENQUERY() uses?
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