CREATE TABLE S1(
  SID INT,
  SNAME VARCHAR(16),
  RATING INT,
  AGE INT,
  PRIMARY KEY(SID)
  );
 
CREATE TABLE S2(
  SID INT,
  SNAME VARCHAR(16),
  RATING INT,
  AGE INT,
  PRIMARY KEY(SID)
  );
 
CREATE TABLE R1(
  SID INT,
  BID INT,
  DAY VARCHAR(20),
  );
 
INSERT INTO S1 VALUES (22, 'zoe', 7, 45);
INSERT INTO S1 VALUES (31, 'hal', 8, 55);
INSERT INTO S1 VALUES (58, 'sam', 10, 35);
 
INSERT INTO S2 VALUES (28, 'ann', 8, 35);
INSERT INTO S2 VALUES (31, 'hal', 8, 55);
INSERT INTO S2 VALUES (44, 'jed', 5, 35);
INSERT INTO S2 VALUES (58, 'sam', 10, 35);
 
INSERT INTO R1 VALUES (22, 101, 10/10/2013);
INSERT INTO R1 VALUES (59, 103, 11/12/2013);

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