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-dependent entity Weak entity Strong entity ID- independent entity ID-dependent entity Weak entity Strong entity ID- independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System It is more accurate to define a _____ as a variety of different record types that are treated as a single unit Table Flat File Database None of these Record Table Flat File Database None of these Record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? Oracle R:base IDMS dBase-II Oracle R:base IDMS dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: where data is located It will be the dominant data base of the future the size of the disk storage device It allows a many-to-many relationship It is conceptually simple where data is located It will be the dominant data base of the future the size of the disk storage device It allows a many-to-many relationship It is conceptually simple ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want your database to include methods, you should use a _____ database. Object-Oriented Network Distributed Hierarchical Object-Oriented Network Distributed Hierarchical ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL REDEFINE TABLE None of these ALTER TABLE MODIFY ALLOCATES MODIFY TABLE REDEFINE TABLE None of these ALTER TABLE MODIFY ALLOCATES MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
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