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CODEPAINTER REVOLUTION Trainer Course Exercise Sheet 1 Solution.

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Presentation on theme: "CODEPAINTER REVOLUTION Trainer Course Exercise Sheet 1 Solution."— Presentation transcript:

1 CODEPAINTER REVOLUTION Trainer Course Exercise Sheet 1 Solution

2 Application Graph Books Members LendReturn

3 TABLES (1) Books: BookCode C(8) Prim. Key BookTitle C(30) Sec. Key BookSubTitle C(30) BookEditor C(30) BookPubDate D BookPosition C(30) BookCanLend C BookCopies N(5) BookAvalCopies N(5)

4 TABLES (2) Members: MembCode C(8) Prim. Key MembName C(30) Sec. Key MembAddress C(50) MembPhone C(20)

5 TABLES (3) Lend: LenMembCode C(8) Prim. Key LenDate D Prim. Key LenBookCode C(8) Rep. Prim. Key LenFlagReturned C Rep.

6 TABLES (4) Return: RetMembCode C(8) Prim. Key RetDate D Prim. Key RetBookCode C(8) Rep. Prim. Key RetLenDate D Rep.

7 LINKS BookCode (R) LenBookCode BookCode (R) RetBookCode MembCode (R) LenMembCode MembCode (R) RetMembCode LenBookCode (R) RetBookCode LenMembCode (R) RetMembCode LenDate (R) RetLenDate LenFlagReturned (R) <-- Y (=)


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