Weak Entity Types MCQ with Answers PDF Download – Test 56

MCQ 276: The set of key attributes that identify weak entities related to some owner entity is classified as:

1. structural key
2. partial key
3. string key
4. foreign key

MCQ 277: The structuring of database by specifying the types and constraints of data is classified as:

1. defining a database
2. creating a database
3. analyzing a database
4. filtering a database

MCQ 278: The multivalued dependencies used to develop relational design theory of database is classified as:

1. amortization
2. normalization
3. conceptualization
4. depreciation

MCQ 279: In the data model schemas, the constraints that are expressed directly are classified as:

1. explicit constraints
2. implicit constraints
3. flat constraints
4. parallel constraints

MCQ 280: The group of employees who are responsible for maintenance running hardware of system is classified as:

1. well being personnel
2. operators and maintenance personnel
3. system personnel
4. execution personnel