1. Identifying the elements of a database
Activity 1
Identifying the elements of a database X
Student name
Student ID
Age
Sex
Chan Tai Man
010101 15 M
Cheung Siu Ming
010112 14
Fok Wing Sze
010215 F
Leung Hon Cheung
010231
Wong Fung Yi
010345 16 Y Z

2. Identifying the elements of a database
Activity 1
Identifying the elements of a database
Refer to the table, and answer the following questions.
Identify parts X, Y and Z of the table above. X: ______________________ Y: ______________________ Z: ______________________
Part Z is the basic element of a _______________.
A student suggests using ‘Student name’ as the primary key. Do you agree? Briefly explain your answer. __________________________________________________ __________________________________________________ __________________________________________________
fields
records
table
database
No. It is because the data in a primary key must be unique. Since it is possible for two students to have the same name, ‘Student name’ should not be the primary key.

3. Identifying the elements of a database
Activity 1
Identifying the elements of a database
Refer to the table, and answer the following questions.
Identify parts X, Y and Z of the table above. X: ______________________ Y: ______________________ Z: ______________________
Part Z is the basic element of a _______________.
A student suggests using ‘Student name’ as the primary key. Do you agree? Briefly explain your answer. __________________________________________________ __________________________________________________ __________________________________________________
fields
records
table
database
No. It is because the data in a primary key must be unique. Since it is possible for two students to have the same name, ‘Student name’ should not be the primary key.