Database system Define the following terms: data, database, DBMS, database system, data-base catalog, program-data independence, user view, DBA, end user, canned transaction, deductive database system, persistent object, meta-data, and transaction-processing application. 1.2. What four main types of actions involve databases? Briefly discuss each. 1.3. Discuss the main characteristics of the database approach and how it […]
Identify some informal queries and update operations that you would expect to apply to the database shown in Figure 1.2. What is the difference between controlled and uncontrolled redundancy?
Database Identify some informal queries and update operations that you would expect to apply to the database shown in Figure 1.2. What is the difference between controlled and uncontrolled redundancy? Illustrate with examples. Specify all the relationships among the records of the database shown in Figure 1.2. Give some additional views that may be needed […]