Most database problems can be traced back to poor design. Which of the following statements is not correct?

Question

Most database problems can be traced back to poor design. Which of the following statements is  not  correct?

Accepted Answer

A foreign key must be present in every table

Answer

A one-to-many relationship occurs between a parent and child entity

Answer

Normalizing your database ensures that dependencies between data are identified and redundant data is minimized

Answer

A primary key may consist of more than one column in a table

Answer

Attributes correspond to columns in a table

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