Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DISTINCT SELECT DIFFERENT All of these SELECT UNIQUE None of these SELECT DISTINCT SELECT DIFFERENT All of these SELECT UNIQUE None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an archetype and an instance of that archetype. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Related fields in a data base are grouped to form data file data record bank menu None of these data file data record bank menu None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: A → B → (A,B) is a composite determinant. C is a determinant. A → B → (A,B) is a composite determinant. C is a determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema describes how data is actually stored on disk is a standard way of organizing information into accessible parts All of these is the entire database None of these describes how data is actually stored on disk is a standard way of organizing information into accessible parts All of these is the entire database None of these ANSWER DOWNLOAD EXAMIANS APP
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