Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: normal forms. functional dependencies. referential integrity constraints. None of these normal forms. functional dependencies. referential integrity constraints. None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called Relations All of the listed here Domains Queries Relations All of the listed here Domains Queries ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the columns does not matter. False True False True 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 None of these SELECT UNIQUE All of these SELECT DISTINCT SELECT DIFFERENT None of these SELECT UNIQUE All of these SELECT DISTINCT SELECT DIFFERENT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Supertype entity Subtype entity Archetype entity Instance entity Supertype entity Subtype entity Archetype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
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