1. Random access file structure method is very effective when a large number of records need to be processed daily or weekly. True or False?
2. Data dictionary is one of the major components of a DBMS. True or False?
3. data-driven Web site acts as an interface to a database, retrieving data for users and allowing users to enter data in the database. True or False?
4. One of the following is not among the approaches to setting up a DDBMS?
a. Duplication
b. Fragmentation
c. Replication
d. Allocation
5. All of the following are among the possible risks associated with big data except:
a. Privacy breaches and embarrassments
b. Loss of anonymity
c. Discrimination
d. all are
6. of the following tasks are usually performed by a successful database marketing campaign except:
a. Calculating customer lifetime value (CLTV)
b. Recency, frequency, and monetary analysis (RFM)
c. Data warehouse analysis
d. Customer communications