Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID- independent entity Strong entity ID-dependent entity Weak entity ID- independent entity Strong entity ID-dependent entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Any table that meets the definition of a relation is said to be in first normal form. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Network database Distributed database None of these Hierarchical database Relational database Network database Distributed database None of these Hierarchical database Relational database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to redefine an index's future storage allocation None of these DO INDEX ALTER INDEX REDEFINE INDEX MODIFY INDEX None of these DO INDEX ALTER INDEX REDEFINE INDEX MODIFY INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to create a synonym for a schema object? All of the listed here CREATE SAME CREATE SCHEMA CREATE SYNONYM All of the listed here CREATE SAME CREATE SCHEMA CREATE SYNONYM ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. File structure Database Records Fields File structure Database Records Fields ANSWER DOWNLOAD EXAMIANS APP