Introduction to Database System An attribute is a(n): key of a table. row of a table. two dimensional table. column of a table. key of a table. row of a table. two dimensional table. column of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? DB2 R:base dBase-II IDMS DB2 R:base dBase-II IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is dividing documents to be entered into batches All of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system None of these controlling the input of each input clerk dividing documents to be entered into batches All of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system None of these controlling the input of each input clerk ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: three-dimensional table. Column. one-dimensional table. two-dimensional table. three-dimensional table. Column. one-dimensional table. two-dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means revising the file structure all of the listed here reorganizing the database modifying or adding record occurrences revising the file structure all of the listed here reorganizing the database modifying or adding record occurrences ANSWER DOWNLOAD EXAMIANS APP
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