Introduction to Database System A command that lets you change one or more fields in a record is Modify Look-up Insert All of these None of these Modify Look-up Insert All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? lack of data independence difficult to update All of these program dependence data redundancy lack of data independence difficult to update All of these program dependence data redundancy ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want your database to include methods, you should use a _____ database. Network Distributed Object-Oriented Hierarchical Network Distributed Object-Oriented Hierarchical ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It allows a many-to-many relationship It is conceptually simple It is a physical representation of the data It will be the dominant data base of the future It allows a many-to-many relationship It is conceptually simple It is a physical representation of the data It will be the dominant data base of the future ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. 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? Entities Relationships Attributes Primary keys Entities Relationships Attributes Primary keys ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS