Introduction to Database System Keys made up of two or more attributes are called composite keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. First normal form Third normal form Domain/key normal form Second normal form First normal form Third normal form Domain/key normal form Second normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ . indexes user data A report metadata indexes user data A report metadata ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if both (b) and (c) they have a field in common they have no records with the same value in the common field None of these they have a row in common both (b) and (c) they have a field in common they have no records with the same value in the common field None of these they have a row in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a type of DBMS software? report writer query language database manipulation language All of these utilities report writer query language database manipulation language All of these utilities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. True False True False ANSWER DOWNLOAD EXAMIANS APP
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