SQL Plus Oracle PLSQL

SQL>
SQL>
SQL> set linesize 54
SQL>
SQL> -- create demo table
SQL> create table emp(
  2    ID                 VARCHAR2(4 BYTE)         NOT NULL,
  3    fname         VARCHAR2(10 BYTE),
  4    lname          VARCHAR2(10 BYTE),
  5    Start_Date         DATE,
  6    End_Date           DATE,
  7    Salary             Number(8,2),
  8    City               VARCHAR2(10 BYTE),
  9    Description        VARCHAR2(15 BYTE)
 10  )
 11  /
Table created.
SQL>
SQL> -- prepare data
SQL> insert into emp(ID,  fname, lname, Start_Date,                     End_Date
,                       Salary,  City,       Description)
  2               values ('01','Jason',    'Martin',  to_date('19960725','YYYYMM
DD'), to_date('20060725','YYYYMMDD'), 1234.56, 'Toronto',  'Programmer')
  3  /
1 row created.
SQL> insert into emp(ID,  fname, lname, Start_Date,                     End_Date
,                       Salary,  City,       Description)
  2                values('02','Alison',   'Mathews', to_date('19760321','YYYYMM
DD'), to_date('19860221','YYYYMMDD'), 6661.78, 'Vancouver','Tester')
  3  /
1 row created.
SQL> insert into emp(ID,  fname, lname, Start_Date,                     End_Date
,                       Salary,  City,       Description)
  2                values('03','James',    'Smith',   to_date('19781212','YYYYMM
DD'), to_date('19900315','YYYYMMDD'), 6544.78, 'Vancouver','Tester')
  3  /
1 row created.
SQL> insert into emp(ID,  fname, lname, Start_Date,                     End_Date
,                       Salary,  City,       Description)
  2                values('04','Celia',    'Rice',    to_date('19821024','YYYYMM
DD'), to_date('19990421','YYYYMMDD'), 2344.78, 'Vancouver','Manager')
  3  /
1 row created.
SQL> insert into emp(ID,  fname, lname, Start_Date,                     End_Date
,                       Salary,  City,       Description)
  2                values('05','Robert',   'Black',   to_date('19840115','YYYYMM
DD'), to_date('19980808','YYYYMMDD'), 2334.78, 'Vancouver','Tester')
  3  /
1 row created.
SQL> insert into emp(ID,  fname, lname, Start_Date,                     End_Date
,                       Salary, City,        Description)
  2                values('06','Linda',    'Green',   to_date('19870730','YYYYMM
DD'), to_date('19960104','YYYYMMDD'), 4322.78,'New York',  'Tester')
  3  /
1 row created.
SQL> insert into emp(ID,  fname, lname, Start_Date,                     End_Date
,                       Salary, City,        Description)
  2                values('07','David',    'Larry',   to_date('19901231','YYYYMM
DD'), to_date('19980212','YYYYMMDD'), 7897.78,'New York',  'Manager')
  3  /
1 row created.
SQL> insert into emp(ID,  fname, lname, Start_Date,                     End_Date
,                       Salary, City,        Description)
  2                values('08','James',    'Cat',     to_date('19960917','YYYYMM
DD'), to_date('20020415','YYYYMMDD'), 1232.78,'Vancouver', 'Tester')
  3  /
1 row created.
SQL>
SQL> select * from emp;
emp   emp
Numb  Name        LNAME       START_DAT  END_DATE
----  ----------  ----------  ---------  ---------
  Current
   Salary  CITY        DESCRIPTION
---------  ----------  ---------------
01    Jason       Martin      25-JUL-96  25-JUL-06
 $1234.56  Toronto     Programmer
02    Alison      Mathews     21-MAR-76  21-FEB-86
 $6661.78  Vancouver   Tester
03    James       Smith       12-DEC-78  15-MAR-90
 $6544.78  Vancouver   Tester
04    Celia       Rice        24-OCT-82  21-APR-99
 $2344.78  Vancouver   Manager
05    Robert      Black       15-JAN-84  08-AUG-98
 $2334.78  Vancouver   Tester
06    Linda       Green       30-JUL-87  04-JAN-96
 $4322.78  New York    Tester
07    David       Larry       31-DEC-90  12-FEB-98
 $7897.78  New York    Manager
                          Page:   2
emp   emp
Numb  Name        LNAME       START_DAT  END_DATE
----  ----------  ----------  ---------  ---------
  Current
   Salary  CITY        DESCRIPTION
---------  ----------  ---------------
08    James       Cat         17-SEP-96  15-APR-02
 $1232.78  Vancouver   Tester
8 rows selected.
SQL>
SQL>
SQL> drop table emp;
Table dropped.