71) In database systems, the DBMS enforces rules about which data can be written in certain
columns. These rules are known as ________.
A) data insertion control
B) data modification control
C) concurrency control
D) referential integrity constraints
72) In database systems, the DBMS enforces rules about which user can perform which action
when. The rules are known as ________.
A) referential integrity constraints
B) data modification control
C) data reading control
D) concurrency control
73) A database is considered self-describing because ________.
A) all the users’ data is in one place
B) it reduces data duplication
C) it contains a description of its own structure
D) it contains a listing of all the programs that use it
74) A database consists of integrated tables, which store ________.
A) reports
B) data and relationships among the data
C) forms
D) Both A and C are correct