Examlex
The values in an SQL view are always changeable through the view itself.
Open Systems
A concept in systems theory that describes entities or organizations which interact with their environment by exchanging energy, information, or materials.
General Systems Theory
A theoretical framework that views systems—whether biological, social, or physical—as coherent entities made up of interrelated and interdependent parts.
Continuous Exchange
An ongoing process of giving and receiving, often referring to information, goods, or services in various contexts.
Maslow's Hierarchy
A theory in psychology proposed by Abraham Maslow that suggests human needs are arranged in a hierarchy, starting from basic physical requirements to higher psychological needs, culminating in self-actualization.
Q10: When representing a 1:1 relationship in a
Q12: DBMS products represent trees using all of
Q13: A simple attribute has only one element.
Q46: In 1:N relationships,the table on the "one"
Q61: Relations in BCNF have no modification anomalies
Q62: Locks placed automatically by the DBMS are
Q67: In general,the overall responsibility of the DBA
Q74: Explain the process of using optimistic locking.
Q76: Explain the steps in the process of
Q77: Because SQL statements are table-oriented,whereas programs are