OPENROWSET and BULK INSERT (2)

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As a data warehouse developer you’ll probably have to load big files. Even if you’re not responsible for loads in PROD, you may well have to import data into the DEV database. There’s often an expectation that this shouldn’t take long, so if you hit any problems you could come under time pressure.

A toolkit and a methodical approach can help you to grind out a predictable result every time. I hope these notes may be some help. Continue reading

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Stored Procedure Performance – What You Can Do

There are lots of things you can do to address stored procedure performance issues in Sql Server (this is based on version 2014 which is what I’m currently working in). In fact, there are so many techniques that they seemed worth listing in a blog. Of course, correct indexing is fundamental; I’m assuming you’ve looked at that already. What is listed below would be more appropriate for problems such as execution plans being compiled with specific parameters and not working well when other parameters are passed in. There’s no detail here though: please bear in mind that some of the commands listed are well-known to be buggy. You’ll need to Google for more information on issues and trade-offs. Continue reading

Continuous Integration and Delivery in Databases

As you’ll know if you’re a database developer, the whole “continual integration and delivery” philosophy tends to get much more complicated when you have to preserve data and aren’t simply deploying code. This problem will be solved of course; the two podcasts linked below give some clues as to where the solution might come from. Continue reading