System Analysis and Design
Advantages of Relational Database Management systems are

Flexibility, of relating different logical files
Data independence since it allows the database to grow by adding new attributes and relations.
All of these
Security controls can be more easily implemented.
None of these

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
The rule(s) to follow in constructing decision tables is (are):

all of the listed here
a decision should be given a name
standardized language must be used consistently.
the logic of the table is independent of the sequence in which conditions rules are written, but the action takes place in the order is which the events occur.

ANSWER DOWNLOAD EXAMIANS APP