According to Codd's rule of relational databases, if the system supports low-level access to the data, users must not be allowed to bypass the integrity rules of the database.

Logical Data Independence.

Explanation:

According to Codd's Logical Data Independence rule of relational databases, if the system supports low-level access to the data, users must not be allowed to bypass the integrity rules of the database.

Logical Data Independence.

Explanation:

Logical Data Independence undergoes a large part of whats written in the sentence.

no. when the asker posts the question they can make a question worth what ever they think is a fair price. although it must be within the limit of the points they currently own. 5 is the minimum number of points a question can be worth. if a question is complicated or has lots of parts to it, it is better to make it worth more because more people will be more willing to answer.

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