All of the following events and factors in the early 1980s led to the introduction of relational database management, except ____.
A) the introduction of personal computers
B) the fact that hierarchical and network DBMSs were too complex for the PC environment
C) the need for a DBMS approach that would make the database design process simpler than that of the hierarchical and network approaches
D) improvements in relational DBMS performance
E) improvements in mainframe computer performance
Correct Answer:
Verified
Q15: An attribute(s) that functions as the primary
Q16: Which of the following relational algebra commands
Q17: Relational database management first became commercially viable
Q18: Which of the following relational algebra commands
Q19: Consider relations X and Y, each representing
Q21: The columns of a relation can be
Q22: A foreign key must have unique values
Q23: A relational DBMS is capable of automating
Q24: Performance issues delayed the introduction of relational
Q25: Storing a many-to-many relationship in a relational
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