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The money type supports US-style currency with fixed decimal point representation. If Postgres is compiled with USE_LOCALE then the money type should use the monetary conventions defined for locale(7).
Table 2-4. Postgres Monetary Types
| Monetary Type | Storage | Description | Range |
|---|---|---|---|
| money | 4 bytes | Fixed-precision | -21474836.48 to +21474836.47 |
numeric will replace the money type, and should be preferred.