Management to database systems questions.
Find Management to database systems university examination questions in acaproso.com
# | Question |
---|---|
1 | In an E-R diagram an attribute is represented by a oval shape True OR False |
2 | Redundancy is a condition where we have stored the same facts on once. True OR False |
3 | A weak entity is an entity type whose existence depends on another entity. True OR False |
4 | Keys made up of two or more attributes are called composite keys. True OR False |
5 | A recursive relationship is a relationship between and entity and another entity. True OR False |
6 | A set of attributes of a weak entity that uniquely distinguish one entity instance from another in the entity set is called a surrogate key. True OR False |
7 | A requirement is a database relation that no attribute of a primary key can be null is termed as referential integrity. True OR False |
8 | A multi-valued attribute is a type of attribute that contains other attributes. True OR False |
9 | The data model term that has this definition, A person, place,thing or event about which we need to keep information is called an attribute. True OR False |
10 | The full form of DML is Data Markup Language. True OR False |