Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Delete None of these Index Update Sort Key Delete None of these Index Update Sort Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: referential integrity constraints. functional dependencies. None of these normal forms. referential integrity constraints. functional dependencies. None of these normal forms. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in a sequential file an indexed file None of these a tree file a hashed file a sequential file an indexed file None of these a tree file a hashed file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A DBMS that combines a DBMS and an application generator is ________ . IBM's DB2 Oracle Corporation's Oracle Microsoft's SQL Server Microsoft's Access IBM's DB2 Oracle Corporation's Oracle Microsoft's SQL Server Microsoft's Access ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "records". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. True False True False ANSWER DOWNLOAD EXAMIANS APP