Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? SAVE ZIP COMMIT PACK SAVE ZIP COMMIT PACK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system both (a) and (b) 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 lets you define different forms for different operations both (a) and (b) 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 lets you define different forms for different operations ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. One-to-one relationship One-to-many relationship None of these Many-to-many relationship Many-to-one relationship One-to-one relationship One-to-many relationship None of these Many-to-many relationship Many-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a decentralized MIS structure hierarchical MIS structure distributed MIS structure centralized MIS structure decentralized MIS structure hierarchical MIS structure distributed MIS structure centralized MIS structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? tables treelike structure complex logical relationships records tables treelike structure complex logical relationships records ANSWER DOWNLOAD EXAMIANS APP
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