Introduction to Database System A database design may be based on existing data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In order to use a record management system None of these You need to understand the low-level details of how information in stored Both (a) and (b) All of these You need to understand the model the record management system uses. None of these You need to understand the low-level details of how information in stored Both (a) and (b) All of these You need to understand the model the record management system uses. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? Query language SQL 4GL High level language Query language SQL 4GL High level language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: third normal form. second normal form. domain/key normal form. fourth normal form. third normal form. second normal form. domain/key normal form. fourth normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. Network Relational None of these Object-Oriented Hierarchical Network Relational None of these Object-Oriented Hierarchical ANSWER DOWNLOAD EXAMIANS APP