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( 13):
13
. 1423.
14. (Posts)
, | |||
P_ID | N(3) | ||
P_POST | C(30) | ||
P_SAL | N(8,2) |
15. (Rooms)
, | |||
R_NO | N(3) | ||
R_TEL | C(10) |
16. (Employees)
, | |||
E_ID | N(4) | ||
E_FNAME | C(20) | ||
, | E_LNAME | (30) | |
E_BORN | D | ||
E_SEX | C(1) | ||
E_POST | N(3) | ( Posts) | |
E_ROOM | N(3) | ( Rooms) | |
E_TEL | C(10) | ||
E_INN | (12) | ||
E_PASSP | C(12) | ||
E_ORG | (30) | ||
E_PDATE | D | ||
E_ADDR | C(50) |
17 (Customers)
, | |||
C_ID | N(4) | ||
C_NAME | C(30) | ||
C_ADDR | C(50) |
18. (Authors)
, | |||
A_ID | N(4) | ||
A_FNAME | C(20) | ||
, | A_LNAME | (30) | |
A_INN | (12) | ||
A_PASSP | C(12) | ||
A_ORG | (30) | ||
A_PDATE | D | ||
A_ADDR | C(50) | ||
A_TEL | C(30) |
|
|
19. (Books)
, | |||
B_CONTRACT | N(6) | ||
B_DATE | D | ||
B_MAN | N(4) | ( Employees) | |
B_TITLE | N(40) | ||
B_PRICE | N(6,2) | ||
B_ADVANCE | N(10,2) | ||
B_FEE | N(8,2) | ||
B_PUBL | D | ||
B_CIRCUL | N(5) | ||
B_EDIT | N(4) | ( Employees) | |
B_REST | N(5) |
20. (Orders)
, | |||
O_ID | N(6) | ||
O_COMPANY | N(4) | ( Customers) | |
O_DATE | D | ||
O_READY | D |
21. Ȗ (Titles)
, | |||
( ) | B_ID | N(6) | ( Books) |
A_ID | N(4) | ( Authors) | |
A_NO | N(1) | ||
A_FEE | N(3) |
22. (Items)
, | |||
O_ID | N(6) | ( Orders) | |
( ) | B_ID | N(6) | ( Books) |
B_COUNT | N(4) |
23. Ȗ (Editors)
, | |||
( ) | B_ID | N(6) | ( Books) |
E_ID | N(4) | ( Employees) |