Introduction to Database System A scheme describes data elements All of these None of these records and files record relationships data elements All of these None of these records and files record relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system might consist of application programs and a software package called TOTAL FORTRAN AUTOFLOW BPL TOTAL FORTRAN AUTOFLOW BPL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be the last name a compound key consisting of the first name and the last name All of these the pin code None of these the last name a compound key consisting of the first name and the last name All of these the pin code None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: determinants. foreign keys. composite keys. candidate keys. determinants. foreign keys. composite keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It is conceptually simple It is a physical representation of the data It allows a many-to-many relationship It will be the dominant data base of the future It is conceptually simple It is a physical representation of the data It allows a many-to-many relationship It will be the dominant data base of the future ANSWER DOWNLOAD EXAMIANS APP
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