Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. None of these Update Sort Key Delete Index None of these Update Sort Key Delete Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: third normal form. domain/key normal form. second normal form. fourth normal form. third normal form. domain/key normal form. second normal form. fourth normal form. 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? R:base DB2 IDMS dBase-II R:base DB2 IDMS dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts a file using a single key establishes an index for a file sorts file using two keys None of the listed here sorts a file using a single key establishes an index for a file sorts file using two keys None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? APPEND UPDATE BROWSE INSERT APPEND UPDATE BROWSE INSERT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is 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 dividing documents to be entered into batches controlling the input of each input clerk 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 dividing documents to be entered into batches controlling the input of each input clerk ANSWER DOWNLOAD EXAMIANS APP