# Approximate Numeric Type

A floating-point numeric type that may store an approximation of a value.

## What is **Approximate Numeric Type** in a relational database?

**Approximate Numeric Type** — A floating-point numeric type that may store an approximation of a value.

```sql
CREATE TABLE measurement (
    reading DOUBLE PRECISION NOT NULL
);
```

Level: Apprentice · [More Database terms at this level](https://www.ask-codey.com/glossary/subjects/database/apprentice)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/approximate-numeric-type