- SQL
Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine.
DescriptionEdit
#Greetings Grasshopper!#
You are about to embark on a wild ride through the basics of SQL coding.
In order to do that you need a firm grasp of some key concepts.
We are here to practice those key concepts:
- Writing a query to retrieve specific columns from a table.
- Specifying filter criteria to retrieve specific rows from a table:
- Rows matching a specific value
- Rows in a date range
- Rows starting with specific text