Introduction to Database System When performing a look-up operation using a form you enter the search value into the form None of these you type the key in an entry line, and the correct form is displayed All of these you look at each form sequentially until you see the one you want you enter the search value into the form None of these you type the key in an entry line, and the correct form is displayed All of these you look at each form sequentially until you see the one you want ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. foreign keys. candidate keys. determinants. composite keys. foreign keys. candidate keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. First normal form Third normal form Domain/key normal form Second normal form First normal form Third normal form Domain/key normal form Second normal form 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 A network schema permits many-to-many relation¬ships restricts the structure to a one-to-many relationship All of the listed here stores data in tables permits many-to-many relation¬ships restricts the structure to a one-to-many relationship All of the listed here stores data in tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for reducing storage space requirements All of these protecting data in data communication systems None of these improving data integrity reducing storage space requirements All of these protecting data in data communication systems None of these improving data integrity ANSWER DOWNLOAD EXAMIANS APP