Introduction to Database System A key: can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. child subtype parent instance child subtype parent instance 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 exception report forecasting report on demand report regularly scheduled report exception report forecasting report on demand report regularly scheduled report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of All of these a list of keys pointers to the master list None of these both (a) and (b) All of these a list of keys pointers to the master list None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains All of these None of these the widths of all fields in all files the data types of all fields in all files the names of all fields in all files All of these None of these the widths of all fields in all files the data types of all fields in all files the names of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called None of these DB/DC dictionary ACCESS any of the above TOTAL None of these DB/DC dictionary ACCESS any of the above TOTAL ANSWER DOWNLOAD EXAMIANS APP
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