9. Data becomes _____ when it is presented in a context so that it can answer a question or support decision making. a. knowledge b. information c. analysis d. wisdom e. language 10. What is a primary key? a) An attribute that always exists in another table and acts to provide a logical relationship among the two tables b) Characteristics or properties of an entity c) A field (or group of fields) that uniquely identifies a given attribute in a table d) None of the above 11. A database architect designs her organizational database to have Referential Integrity to ensure that: a) Data entered in a record in one table are always consistent with data in any other table. b) All records in all tables have cardinal identifiers. c) Every duplicate record can be identified within the database. d) Every duplicate table can be identified within the database. e) Data records are addressable and are not redundant across tables within the database. f) None of the above.