HARTA
  ___________________________         ________________________
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 |     |      |  ORD        |         |        |  DEPT       |
 |     |      |_____________|         |        |             |
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 |ordid|custid| orderdate   |         |        |             |
 |     |      |             |         | deptno |  dname      |
 |     |      | commplan    |         |        |             |
 |     |      |             |         |        |  loc        |
 |     |      | shipdate    |         |        |             |
 |     |      |             |         |        |             |
 |     |      | total       |         |        |             |
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 |     |      | maxline     |         |        |             |
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 |_____|______|_____________|         |________|_____________|
  |       |__________________             |____________
  |                         |                         |
__|______________________  _|______________________ __|________________________
|   |   |   |           | |     |     |           | |      |     |   |        |
| o | i | p | ITEM      | |     |     | CUSTOMER  | |      |     |   | EMP    |
| r | t | r |___________| |  c  |  r  |___________| |  d   |  e  | s |________|
| d | e | o |actualprice| |  u  |  e  |name       | |  e   |  m  | a |job     |
| i | m | d |qty        | |  s  |  p  |address    | |  p   |  p  | l |mgr     |
| d | i | i |itemtot    | |  t  |  i  |town       | |  t   |  n  |   |ename   |
|   | d | d |           | |  i  |  d  |country    | |  n   |  o  |   |hiredate|
|___|___|___|___________| |  d  |     |pcode      | |  o   |     |   |comm    |
                |         |     |     |phone      | |______|_____|___|________|
                |         |     |     |creditlimit|          |     |
                |         |     |     |comments   |          |     |
                |         |_____|_____|___________|          |     |
 _______________|                           |________________|     |
 |                                                        _________|
 |                                                      _|___
 |                                                     |     |
_|_____________ ____________________________________ __|_____|________________
| p |         | |  p  |        |         |         | |     |     |           |
| r | PRODUCT | |  r  |        |         | PRICE   | |     |     | SALGRADE  |
| o |_________| |  o  |        |         |_________| |     |     |___________|
| d |descript | |  d  |stdprice|startdate|minprice | |losal|hisal|grade      |
| i |         | |  i  |        |         |enddate  | |     |     |           |
| d |         | |  d  |        |         |         | |     |     |           |
|___|_________| |_____|________|_________|_________| |_____|_____|___________|
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  |_______________|