SQL> create table emp ( 2 EmpNo NUMBER(10) primary key, 3 Name VARCHAR2(40), 4 DeptNo NUMBER(2), 5 Salary NUMBER(7,2), 6 Birth_Date DATE, 7 Soc_Sec_Num VARCHAR2(9), 8 State_Code CHAR(2) 9 ); SQL> SQL> create index CITY_ST_ZIP_NDX 2 on emp(EmpNo, DeptNo, Soc_Sec_Num) 3 tablespace INDEXES; SQL> SQL> drop table emp 2