Introduction to Database System Relationship classes are associations between entity classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema describes how data is actually stored on disk is a standard way of organizing information into accessible parts All of these is the entire database None of these describes how data is actually stored on disk is a standard way of organizing information into accessible parts All of these is the entire database None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: None of these functional dependencies. referential integrity constraints. normal forms. None of these functional dependencies. referential integrity constraints. normal forms. 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Database System One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then it can be more easily accessed storage space is wasted both (a) and (b) changing the data is one spot will cause data inconsistency None of these it can be more easily accessed storage space is wasted both (a) and (b) changing the data is one spot will cause data inconsistency None of these ANSWER DOWNLOAD EXAMIANS APP