New posts in Denormalization

Storing personal data on an invoice to preserve data integrity

Integrity constraints in a relational database - should we overlook them?

Possible benefits of storing multiple values in one field of one row instead of as separate rows

Store millions of rows of denomalized data or some SQL magic?

Cassandra denormalization datamodel

NOSQL denormalization datamodel

Django: How to access original (unmodified) instance in post_save signal

When to Denormalize a Database Design

When and why are database joins expensive?