A relational database is different from a simple database because it has more than one _____.
The answer to this should be more than one tables
Explanation:
The main difference between simple database and relational database is there data storing technique like simple database store data in the form of files and in relational database for data arrangement tables are used where the header is the name of of attributes/columns and rows contain the values of those attributes. Other difference is that simple database might be single user but relational database is multi user. There are many other difference are also available which make Relational Database the advance version.