CREATE TABLE hr.balance (time_stamp DATE
                        ,card_balance NUMBER
                        ,cash_balance NUMBER);

CREATE TABLE hr.shopping (time_stamp DATE
                          ,price NUMBER
                          ,good_name VARCHAR2 (4000)
                          ,payment_type INTEGER);

CREATE TABLE hr.income (time_stamp DATE
                        ,income_value NUMBER);

CREATE SYNONYM balance FOR hr.balance;
CREATE SYNONYM shopping FOR hr.shopping;
CREATE SYNONYM income FOR hr.income;