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FUNCTIONS / MATHEMATICAL FUNCTIONS AND OPERATORS

log

Read PG 18 manual ↗

Base 10 logarithm

Signatures & examples

log ( numeric ) → numeric
Base 10 logarithm
log(100) → 2
log ( double precision ) → double precision
Base 10 logarithm
log(100) → 2
log ( b numeric, x numeric ) → numeric
Logarithm of x to base b
log(2.0, 64.0) → 6.0000000000000000
Version history 1
  1. PG 12 → 13changed

Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source