Introduction to Database System Which command is used to remove an index from the database in SQL? DROP INDEX ROLL BACK INDEX DELETE INDEX REMOVE INDEX DROP INDEX ROLL BACK INDEX DELETE INDEX REMOVE INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if both (b) and (c) they have a field in common they have a row in common None of these they have no records with the same value in the common field both (b) and (c) they have a field in common they have a row in common None of these they have no records with the same value in the common field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): identifier. attribute. entity. relationship. identifier. attribute. entity. relationship. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called ACCESS None of these TOTAL DB/DC dictionary any of the above ACCESS None of these TOTAL DB/DC dictionary any of the above ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches All of these controlling the input of each input clerk None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches All of these controlling the input of each input clerk None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system None of these both (a) and (b) allow you to entry data in all the forms lets you create a look-up form with an associated read-only password to prevent access by unauthorized users lets you define different forms for different operations None of these both (a) and (b) allow you to entry data in all the forms lets you create a look-up form with an associated read-only password to prevent access by unauthorized users lets you define different forms for different operations ANSWER DOWNLOAD EXAMIANS APP
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