John Lynn

John
Lynn

John Lynn is a consultant with RDA, a provider of advanced technology consulting services. John is an MCSD.

Articles
MDX(-Ray) of Excel 1
Navigating OLAP cube data sometimes requires that you know MDX, but learning the syntax can be challenging. Logging MDX statements that Microsoft Excel generates is an easy way to collect example MDX statements so that you can learn how they work.
Building a Web-Based Analysis System 3
Follow the choices that one development team made to create a secure Web-based analysis system.

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From the Blogs
Sep 1, 2015
blog

Stop Using INFORMATION_SCHEMA and SysObjects for Exists Checks

Code like this isn’t optimal: IF EXISTS(SELECT * FROM sys.objects WHERE name = N'TableToDrop' AND type = 'U')         DROP TABLE TableToDrop; GO Neither is this: IF EXISTS(SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'TableToDrop')         DROP TABLE TableToDrop; GO Yet, I see both of those used all of the time – over and over again. Even though it’s 2015.  ...More
Aug 27, 2015
blog

A Replacement for Maintenance Plan Backups 1

This blog post is a bit of a ‘repeat’ – since I already covered much of the rationale behind this post in Part 23 of my multi-part series on AlwaysOn Availability Groups and SQL Server Agent Jobs. But, I also figured that this is enough of an important topic to merit its own blog post....More
Aug 19, 2015
blog

Looking forward to Containers

Virtualization has long been a staple when it comes to computing. In essence, virtualization is really just the use of abstraction to make things either easier to manage or more fault-tolerant. Disks, for example, have long been virtualized in the sense that a single, physical, can easily be divided up into multiple logical (or virtual) volumes (or drives) just as easily as a number of discreet physical disks can also be virtualized into a single drive (via RAID) – which can further be partitioned into volumes, LUNs, and so....More
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