CREATE TABLE happy_hour_member (hh_id DECIMAL, member_id DECIMAL, total_amount DECIMAL)
CREATE TABLE happy_hour (hh_id DECIMAL, shop_id DECIMAL, month TEXT, num_of_shaff_in_charge DECIMAL)
CREATE TABLE member (member_id DECIMAL, name TEXT, membership_card TEXT, age DECIMAL, time_of_purchase DECIMAL, level_of_membership DECIMAL, address TEXT)
CREATE TABLE shop (shop_id DECIMAL, address TEXT, num_of_staff TEXT, score DECIMAL, open_year TEXT)

Find the purchase time, age and address of each member, and show the results in the order of purchase time.
SELECT time_of_purchase, age, address FROM member ORDER BY time_of_purchase
SELECT "time_of_purchase", "age", "address" FROM "member" ORDER BY "time_of_purchase" NULLS FIRST