Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database is called "self-describing" because it contains a description of itself. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to decide which fields will be used as sort or index keys identify the records in the list identify the name, width and type of the fields of each record. All of the listed here decide which fields will be used as sort or index keys identify the records in the list identify the name, width and type of the fields of each record. All of the listed here 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 A report generator is used to data entry print files on paper update files all of the listed here data entry print files on paper update files all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is Look-up None of these Insert All of these Modify Look-up None of these Insert All of these Modify ANSWER DOWNLOAD EXAMIANS APP
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