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PostgreSQL Data Types - DOUBLE PRECISION
Versions: PostgreSQL 8.x and 7.x
| PostgreSQL - DOUBLE PRECISION | |
|---|---|
| Syntax | DOUBLE PRECISION |
| Data | Floating-point numeric data |
| Range | 1E-307 to 1E+308 |
| Special Values | The special case-insensitive values 'NaN' (not-a-number), 'Infinity' and '-Infinity' are allowed |
| Storage Size | 8 bytes |
| Standards | ANSI SQL |
PostgreSQL DOUBLE PRECISION - Equivalents in Other Databases
| Database | Data Type and Conversion |
|---|---|
| Oracle | NUMBER, BINARY_DOUBLE |
| SQL Server | DOUBLE PRECISION |
| MySQL | DOUBLE, DOUBLE PRECISION |
| Sybase ASE | DOUBLE PRECISION |
| Informix | DOUBLE PRECISION |
| HP Neoview | DOUBLE PRECISION |
Related Data Types in PostgreSQL
| Data Types | ||||
|---|---|---|---|---|
| Integers | BIGINT | INT | SMALLINT | |
| Fixed-point | DECIMAL(p,s) | NUMERIC(p,s) | ||
| Floating-point | FLOAT(p) | REAL | ||
All Data Types