Decimal vs Double vs Float in MySQL
Here’s a comparison of Decimal, Double, and Float data types in MySQL presented in tabular form:
| Data Type | Precision | Storage Size | Suitable For |
|---|---|---|---|
| Decimal | Exact | Variable | Financial Data |
| Double | Approximate | 8 bytes | General Purpose |
| Float | Approximate | 4 bytes | Scientific Data |
Decimal vs Double vs Float in MySQL
In MySQL, Decimal, Double, and Float are numeric data types used to represent different precision levels for numerical values. Decimal offers precise numeric storage with fixed-point arithmetic, suitable for financial data.
Double and Float are approximate numeric types, where Double provides higher precision than Float. Float is typically used for scientific calculations or where precision isn’t critical, while Double strikes a balance between precision and storage efficiency.