Introduction to Database System Which of the following is not characteristic of a relational database model? records treelike structure complex logical relationships tables records treelike structure complex logical relationships tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a database, data is stored in spreadsheets which have rows and columns. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file both (b) and (c) contains only a list of keys and record numbers None of these is sorted in ascending order has a number assigned to each record both (b) and (c) contains only a list of keys and record numbers None of these is sorted in ascending order has a number assigned to each record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system lets you define different forms for different operations None of these lets you create a look-up form with an associated read-only password to prevent access by unauthorized users allow you to entry data in all the forms both (a) and (b) lets you define different forms for different operations None of these lets you create a look-up form with an associated read-only password to prevent access by unauthorized users allow you to entry data in all the forms both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP