FunctionsArrayarray_to_jsonNormalizes an array value into a compact JSON array representation. array_to_json(…) → JSON Kind · scalar Normalizes an array value into a compact JSON array representation. Part of the Array family.array_symmetric_differenceReturns unique values that appear in an odd number of input arrays, preserving first-seen order.array_to_stringConverts each array element to text and concatenates values using the optional delimiter and null replacement.