Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? All of the listed here MODIFY USER CHANGE USER ALTER TRIGGER All of the listed here MODIFY USER CHANGE USER ALTER TRIGGER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: split the relation into two relations, each with a single theme. create a new theme. change the theme. add a composite key. split the relation into two relations, each with a single theme. create a new theme. change the theme. add a composite key. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. One-to-many relationship Many-to-many relationship Many-to-one relationship None of these One-to-one relationship One-to-many relationship Many-to-many relationship Many-to-one relationship None of these One-to-one relationship 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 SELECT UNIQUE All of these None of these SELECT DISTINCT SELECT DIFFERENT SELECT UNIQUE All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Table is synonymous with the term: relation. field. record. column. relation. field. record. column. ANSWER DOWNLOAD EXAMIANS APP
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