SQL FunctionsNumeric FunctionsLNOn this pageLNReturns the natural logarithm of x; that is, the base-e logarithm of x. If x is less than or equal to 0.0E0, the function returns NULL.SyntaxLN( <x> )ExamplesSELECT LN(2);┌────────────────────┐│ ln(2) │├────────────────────┤│ 0.6931471805599453 │└────────────────────┘