Examlex
A circle across the relationship line near an entity indicates ________.
Glucose
A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.
Insulin
A hormone, secreted by the pancreas, that controls glucose levels in the blood.
Arousal
A physiological and psychological state of being awake or reactive to stimuli.
Performance
Performance refers to the act of carrying out a task or conducting an activity, often measured against known standards of accuracy, completeness, and speed.
Q26: In IDEF1X,a domain is a:<br>A)domain.<br>B)base domain.<br>C)type domain.<br>D)B
Q34: To represent a tree structure using indexes,store
Q37: A surrogate key is appropriate when the
Q40: When designing a database,one of the candidate
Q43: Read-only databases are used for _.<br>A)updating<br>B)querying<br>C)reporting<br>D)A and
Q69: If the parent is required,then a new
Q71: Distinguish between the HAVING clause and the
Q75: The presence of one or more foreign
Q78: An entity instance of an entity class
Q89: In many-to-many relationships in a relational database