Databases
ACID Transactions Explained: Atomicity, Consistency, Isolation and Durability
When money, stock or bookings are involved, "almost saved" is not acceptable. ACID transactions are how databases guarantee that changes…
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Databases
Database Normalization Explained: 1NF, 2NF and 3NF with Simple Examples
Normalization is how you design tables so each fact is stored once. Follow one messy table through 1NF, 2NF and 3NF — and learn when…
Databases
SQL vs NoSQL: How to Choose the Right Database for Your Application
The database is one of the hardest parts of an application to change later. Here is how relational and NoSQL databases differ — and how to…