Introduction to Database System Given the functional dependency R → S , R is called the determinant. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? increased security All of these elimination of the data redundancy ability to associate related data program/data independence increased security All of these elimination of the data redundancy ability to associate related data program/data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an enterprise-class database system, business users interact directly with database applications, which directly access the database data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? records complex logical relationships treelike structure tables records complex logical relationships treelike structure tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system None of these allow you to entry data in all the forms lets you define different forms for different operations both (a) and (b) lets you create a look-up form with an associated read-only password to prevent access by unauthorized users None of these allow you to entry data in all the forms lets you define different forms for different operations both (a) and (b) lets you create a look-up form with an associated read-only password to prevent access by unauthorized users ANSWER DOWNLOAD EXAMIANS APP
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