A special field value,distinct from 0,blank,or any other value,that indicates that the value for the field is missing or otherwise unknown best defines:
A) transitive value
B) primary key
C) null value
D) pointer
Correct Answer:
Verified
Q85: Merging relations is also referred to as:
A)view
Q86: A _ is an attribute whose value
Q87: A foreign key in a relation that
Q88: Two different names that refer to the
Q89: A table used to determine the location
Q91: A single name that is used for
Q92: Relationships between instances of a single entity
Q93: If a relationship exists among three or
Q94: Which of the following combines range and
Q95: For a unary M:N relationship:
A)the entity type
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents