Question 11 :
The design guidelines and priorities for read-only databases are different because read-only databases are never updated.
Question 12 :
The phrase "SALE.CNumber must exist in CUSTOMER.CNumber" is a referential integrity constraint.
Question 13 :
We use the SQL construct COUNT(*) to count the number of rows in a table.
Question 14 :
When you are given a set of tables and asked to create a database to store their data, the first step is to create the new database.
Question 15 :
Multivalued dependencies create harmless anomalies that should be noted, but do not always need to be eliminated.