beginner
ACID Properties
The four guarantees that make database transactions reliable
Database Indexes
How indexes speed up lookups and what they cost
Database Normalization
Organizing tables to reduce redundancy and avoid update anomalies
Database Transactions
Grouping multiple statements into one all-or-nothing operation
Keys and Relationships
Using primary and foreign keys to connect tables reliably
Relational Database Basics
How relational databases organize data into tables of rows and columns
SQL vs NoSQL
How relational and non-relational databases differ and when to use each