HomeSQL FunctionsNumeric FunctionsLOG10本页总览LOG10Returns the base-10 logarithm of x. If x is less than or equal to 0.0E0, the function returns NULL. Syntax LOG10( <x> ) Examples SELECT LOG10(100);┌────────────┐│ log10(100) │├────────────┤│ 2 │└────────────┘