All of the Following Events and Factors in the Early

Multiple Choice

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