9 Signs Your T-SQL Might Fail a Code Review
It’s hard to set absolute rules about, “Feature X should absolutely never be used.” However, there are some features that set off alarm bells when I see them. Usually, when I start asking more questions about when we’re using th …
Hidden Pitfalls with INNER JOIN and NOT IN Operators
I want to show you how two common operators can deceive you into believing you have constructed a proper SQL statement for your solution. We may want to filter results in a table by using using a IN/NOT IN or a INNER JOIN/LEFT JOIN to another table. Th …
Measuring Team Performance: Calculate LeadTime metric using JIRA and GitHub data
The post Measuring Team Performance: Calculate LeadTime metric using JIRA and GitHub data appeared first on SQLServerCentral.
Contest: My Favorite Caption Wins a Live Class Season Pass
Let’s have a few laughs this week. In the comments, write a caption for this: Prizes: My favorite caption overall wins a Live Class Season Pass Runners-up get both a Recorded Class Season Pass: Mastering Classes and Recorded Class Season Pass: Fu …
PostgreSQL HAVING,LIMIT and FETCH Clauses
Overview In this article, we will cover these PostgreSQL clauses with examples: HAVING, LIMIT and FETCH. In a previous article we discussed the WHERE, ORDER BY and GROUP BY clauses. Click the link if you wish to learn about those clauses. HAVING …
Step by Step Guide to Install Jupyter Notebook
Whether you work as a Data Engineer or a Data Scientist, a Jupyter Notebook is a helpful tool. One of the projects I was working required a comparison of two parquet files. This is mainly a schema comparison, not a data comparison. Though the two .parq …
How to Manage Date Formats in the Power BI Service
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Win DevOps books with Redgate’s competition
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SQL Server T-SQL CASE Statement Examples
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Data Saturday #8 – SouthWest US
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I’m on the KasperOnBI Podcast Talking About Careers and the Future of SQL Server
I sat down with Microsoft’s Kasper de Jonge this month for an hour-long conversation about how I got started speaking, careers, and the future of SQL Server: You can also listen on Spotify and Apple Podcasts. In the podcast, we talk about my Epic …
Conditional DELETE and INSERT in PostgreSQL
Introduction We are comfortable with inserting/deleting record(s) into/from a table. But we sometimes get confused when we need to insert or delete records conditionally from a table. Let us look at an example. Example scenario Suppose we have a table, …
Automating Azure DevOps with Logic Apps
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Take our survey to win a $500 Amazon gift card
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Oracle Sequences: RAC
The series so far: Oracle sequences: The basics Oracle sequences: RAC In my first article on Sequences, I reviewed the fundamental reason why Oracle Corp. introduced the mechanism (i.e. synthetic/surrogate keys) and the mechanical threats (cache size a …