title: Boolean giving invalid datatype - Oracle
body: <p>I am trying to create a table in Oracle SQL Developer but I am getting error ORA-00902.</p>
  
  <p>Here is my schema for the table creation</p>
  
  <pre><code>CREATE TABLE APPOINTMENT(
      Appointment NUMBER(8) NOT NULL,
              PatientID NUMBER(8) NOT NULL,
              DateOfVisit DATE NOT NULL,
              PhysioName VARCHAR2(50) NOT NULL,
              MassageOffered BOOLEAN NOT NULL, &lt;-- the line giving the error --&gt;
              CONSTRAINT APPOINTMENT_PK PRIMARY KEY (Appointment)
  );
  </code></pre>
  
  <p>What am I doing wrong?</p>
  
  <p>Thanks in advance</p>