Databases Demystified: From Queries to Data Models
Databases Demystified: From Queries to Data Models Databases are the backbone of many apps. They store facts, logs, and settings. A good database makes it easy to retrieve the right data quickly and keep it safe from errors. Two ideas drive most work: queries and data models. A query asks the database for data. A data model describes how data is stored and how items relate. With a clear model, simple questions become fast, reliable results. ...