Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. 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 Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLESPACE is used to add/rename data files, to change storage All of these None of these to create a database trigger to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace to add/rename data files, to change storage All of these None of these to create a database trigger to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS that is most difficult to use is ________ . Oracle Corporation's Oracle Microsoft's Access Microsoft's SQL Server IBM's DB2 Oracle Corporation's Oracle Microsoft's Access Microsoft's SQL Server IBM's DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a record field data item data base record field data item data base ANSWER DOWNLOAD EXAMIANS APP
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