This session will examine ways to write better code by using CTEs to simplify queries, implement error handling to deal with problematic data, and show a few tips and tricks for writing code quicker and generating enough test data to properly evaluate your queries.
We'll examine a few intermediate techniques for efficient queries. We start with tally tables and calendar tables, showing practical uses of each. We will then look at pivoting data to display row data as column data and vice versa.
In this session, we'll examine the windowing functions in SQL Server that allow you to efficiently query data in groups, or partitions, and answer complex questions such as running totals and ranking results into percentiles.
As summer nears, the Power BI Preview is making bigger waves with every weekly release. Popular data sources and a plethora of Power BI Designer enhancements are being released at light speed pace. Check out the highlights on what has been released and what we might see next....More
Over the past few years we did not hear anything from Microsoft about SQL Server on-premises business intelligence enhancements. The extended cricket-chirping silence left us speculating about the future of Reporting Services, Analysis Services and other key technologies that are being used today to power critical decision making solutions. Good news, the waiting and wondering is over. Microsoft recently announced significant SQL Server on-premises upgrades for business intelligence in numerous presentations at both //build and Ignite conferences....More
In the last few posts (posts 19 – 24) I’ve covered some high-level concerns and reviewed some details about how to implement and manage database backups against AlwaysOn Availability Group databases. Most of the information I’ve provided was pretty basic or elementary – along with some additional guidelines for things to watch out for when managing backups. Which is to say that backups are never something you can simply take for granted and they’re never something you just take lightly....More