Introduction to Database System A relation in this form is free of all modification anomalies. Second normal form First normal form Third normal form Domain/key normal form Second normal form First normal form Third normal form Domain/key normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to arrange them store information together create them access them arrange them store information together create them access them ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Keys made up of two or more attributes are called composite keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? No two rows in a table may be identical. All of the entries in any column must be of the same kind. The columns must be ordered. The cells of the table must contain a single value. No two rows in a table may be identical. All of the entries in any column must be of the same kind. The columns must be ordered. The cells of the table must contain a single value. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Bits Characters Data field None of the listed here Bits Characters Data field None of the listed here ANSWER DOWNLOAD EXAMIANS APP