According to Codd's _____ rule of relational databases, application programs and ad hoc facilities are logically unaffected when changes are made to the table structures that preserve the original table values (changing order of columns or inserting columns).
A) distribution independence
B) logical data independence
C) comprehensive data sublanguage
D) integrity independence

Question

Quizplus · Accepted Answer

The second rule of Codd's 12 rules is the logical data independence rule, which states that application programs and ad hoc facilities are logically unaffected by changes in the table structures that preserve the original table values. This means that changes like inserting or reordering columns shouldn't affect how the data is accessed by applications or users.

According to Codd's _____ Rule of Relational Databases, Application Programs