Introduction to Database System A relation is considered a: three-dimensional table. Column. two-dimensional table. one-dimensional table. three-dimensional table. Column. two-dimensional table. one-dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Characteristic(s) of a distributed MIS structure is interactive sharing of the workload computers supporting local DP operations None of these All of these a multiprocessing environment interactive sharing of the workload computers supporting local DP operations None of these All of these a multiprocessing environment ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. candidate keys. composite keys. determinants. foreign keys. candidate keys. composite keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? No two rows in a table may be identical. The columns must be ordered. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. No two rows in a table may be identical. The columns must be ordered. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail can be used to restore lost information is the recorded history of operations performed on a file is used to make back-up copies All of the listed here can be used to restore lost information is the recorded history of operations performed on a file is used to make back-up copies All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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