Feature

Customer Rank

Delivery Cost

Priority

　　Capture existing file

3

4

12

　　Create new records

1

1

1

　　Allocate new space interactively

5

9

45

　　Validate keys interactively

2

2

4

　　Validate all fields interactively

6

6

36

　　Recreate file from backup

3

4

12

　　Update file from journal

8

7

56

　　Modify existing records

1

3

3

　　Find record by primary key

1

2

2

　　Find record by secondary key

2

6

12

　　 ... etc...

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