... Structures 15Employees:EMPNO ENAME DEPTNO7369 SMITH 20 7499 ALLEN 307 521 WARD 307566 JONES 20 7654 MARTIN 307698 BLAKE 3077 82 CLARK 107788 SCOTT 20 Looking at the tables, the two-dimensional structure ... could be stored hierarchically as follows:10,ACCOUNTING,77 82, CLARK 20 ,RESEARCH,7369,SMITH,7566,JONES,7788,SCOTT30,SALES,7499,ALLEN,7 521 ,WARD,7654,MARTIN,7698,BLAKE40,OPERATIONS16 Chapter 1: ... developed into DB2) was not ported to non-IBM platforms for many years. Microsoft’s SQL Server is another relational database that has been limited by the platforms on which it runs. Oracle databases,...