Answers for "postgresql json_array_length example"

postgres json to string

SELECT CAST( json_column AS TEXT ) FROM table
or
SELECT json_column::TEXT FROM table

json array to string in postgresql

SELECT 
	ID
	,(
		SELECT string_agg(trim(JsonString::text, '"'), ', ')
		FROM jsonb_array_elements(JsonData->'Name') JsonString
	) AS StringArray
FROM   tbl_TestJsonArray;