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.
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Don't forget to migrate Power BI for Office 365 content before you leave for the holidays. Deprecation of Power BI for Office 365 starts at the end of December 2015. Here is what you need to know to successfully move your business intelligence content to the latest and greatest version of Microsoft Power BI....More