Arelational database generally contains two or more tables.
a. true
b. false?

Generally this is true, since you would need at least two tables to have a foreign key relationship. However, technically you can have an empty database with no tables (not very useful of course), or a database with only one table. Even though that table will not have any references to another table, you'd still call this a relational database by type.

The editorial contains data but is not data itself.

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability