jsonb_set
UPDATE "Example" SET "details"=jsonb_set("details"::jsonb, '{url}', '"images/0005.jpg"'
WHERE "details"::json->>'name'='Eiffel Tower';
Defiant Dogfish
UPDATE "Example" SET "details"=jsonb_set("details"::jsonb, '{url}', '"images/0005.jpg"'
WHERE "details"::json->>'name'='Eiffel Tower';