1 what does the acronym DBLC mean,what are the phases of the DBLC? 2.what is the minimal data rule in conceptual design? Why is it important? 3.discuss the distinction between top down and bottom up...

1 what does the acronym DBLC mean,what are the phases of the DBLC?

2.what is the minimal data rule in conceptual design? Why is it important?

3.discuss the distinction between top down and bottom up approaches in database design?

5. What are business rules ? Why are they important to a database designer?

5.what is the data dictionary's function in database design?

6. What steps are required in the development of an ER diagram?

7. What factors are important in DBMS software selection?

8. List briefly explain four steps performed during the logical design stage.

9.list and briefly explain the three steps performed during physical design stage.

10.what three levels of backup may be used in database recovery management? Briefly describe what each backup level does?