Introduction to Database System A top-to-bottom relationship among the items in a database is established by a All of the listed here Hierarchical schema Network schema Relational schema All of the listed here Hierarchical schema Network schema Relational schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? complex logical relationships records treelike structure tables complex logical relationships records treelike structure tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . table relationship database instance table relationship database instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Relationships Entities Primary keys Attributes Relationships Entities Primary keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS that is most difficult to use is ________ . Microsoft's SQL Server Oracle Corporation's Oracle IBM's DB2 Microsoft's Access Microsoft's SQL Server Oracle Corporation's Oracle IBM's DB2 Microsoft's Access ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS