Introduction to Database System An attribute that names or identifies entity instances is a(n): attribute. relationship. identifier. entity. attribute. relationship. identifier. entity. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Applications are programs that interact directly with the database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to modify records All of these None of these delete records format printed output modify records All of these None of these delete records format printed output 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? dBase-II R:base IDMS DB2 dBase-II R:base IDMS DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The on-line, softcopy display a customer's charge account to respond to an inquiry is an examples of a forecasting report on demand report regularly scheduled report exception report forecasting report on demand report regularly scheduled report exception report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a row. must always be composed of two or more columns. can only be one column. identifies a column. identifies a row. must always be composed of two or more columns. can only be one column. identifies a column. ANSWER DOWNLOAD EXAMIANS APP
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