SQL concepts from A to Z
This post covers the SQL concepts that pop up during training. If you need a refresher or have a junior analyst in your life who needs a resource to refer to, keep reading.
Category: Data Analysis
Speed up SQL queries with indexes
Your query is running slow, have you checked your indexes?
SQL joins without Venn diagrams
Joining tables is the first big learning curve after getting your head around SQL basics.
Excel VLOOKUP
VLOOKUP lets Excel do the hard work of matching up a value from one spreadsheet to another. It saves time and is an essential Excel tool.
How to customise SQL Server Management Studio (SSMS)
SSMS is highly customisable, here’s 10 ways to make it work best for you.
