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 ID-dependent entity Strong entity Weak entity ID- independent entity ID-dependent entity Strong entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a All of the listed here Network schema Relational schema Hierarchical schema All of the listed here Network schema Relational schema Hierarchical schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means modifying or adding record occurrences all of the listed here reorganizing the database revising the file structure modifying or adding record occurrences all of the listed here reorganizing the database revising the file structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Bytes Database Fields Words Bytes Database Fields Words ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server. False True False True ANSWER DOWNLOAD EXAMIANS APP