Introduction to Database System The way a particular application views the data from the data base that the application uses is a : subschema schema relational model module None of these subschema schema relational model module None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Any table that meets the definition of a relation is said to be in first normal form. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): normal form. insertion anomaly. referential integrity constraint. transitive dependency. normal form. insertion anomaly. referential integrity constraint. transitive dependency. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system lets you create a look-up form with an associated read-only password to prevent access by unauthorized users allow you to entry data in all the forms both (a) and (b) lets you define different forms for different operations None of these lets you create a look-up form with an associated read-only password to prevent access by unauthorized users allow you to entry data in all the forms both (a) and (b) lets you define different forms for different operations None of these 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 UNIQUE SELECT DISTINCT SELECT DIFFERENT None of these All of these SELECT UNIQUE SELECT DISTINCT SELECT DIFFERENT None of these All of these ANSWER DOWNLOAD EXAMIANS APP
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