Master SQL Data Types: The Ultimate Guide to Choosing, Using, and Optimizing 6 Types with Examples

By utilizing various methods, SQL can determine the data type that can be stored in each column of a database table

Choosing the correct data type can have significant implications for protecting against data loss, optimizing storage usage, and improving query performance

A relational database can store data types for a column, which are determined by SQL data type specifications

Numerical data types are represented by integers and decimals

String data types contain binary data, text, or alphanumeric characters