3_Primary_key_didactic_l1_v1

Formative assessment

Name _________________                                                 Class ________

1. What is the definition of primary key?

________________________________________________________________________________________________________________________

2. How many types of connection exists in relational database? Name them all:

________________________________________________________________________________________________________________________

3. What is the difference between primary key and foreign key?

____________________________________________________________________________________________________________________________________________________________________________________

Formative assessment

Name _________________                                                 Class ________

1. What is the definition of primary key?

________________________________________________________________________________________________________________________

2. How many types of connection exists in relational database? Name them all:

________________________________________________________________________________________________________________________

3. What is the difference between primary key and foreign key?

____________________________________________________________________________________________________________________________________________________________________________________