Flashcards
Fast recall drills. Good for the last hour before an interview or exam.
12 cards
SQL essentials
Order of execution, joins, aggregation, windows.
7 cards
Foundations & querying — flashcards
One card per lesson — 7 in this module. Recall the key points, then check.
4 cards
Aggregation & summary — flashcards
One card per lesson — 4 in this module. Recall the key points, then check.
6 cards
Combining data — flashcards
One card per lesson — 6 in this module. Recall the key points, then check.
4 cards
Functions & transformation — flashcards
One card per lesson — 4 in this module. Recall the key points, then check.
4 cards
Subqueries & CTEs — flashcards
One card per lesson — 4 in this module. Recall the key points, then check.
5 cards
Window functions — flashcards
One card per lesson — 5 in this module. Recall the key points, then check.
4 cards
Creating & managing tables — flashcards
One card per lesson — 4 in this module. Recall the key points, then check.