Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Log file Specialized file Update file Master file Log file Specialized file Update file Master file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes None of these All of these records and files data elements record relationships None of these All of these records and files data elements record relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is Modify None of these Insert Look-up All of these Modify None of these Insert Look-up All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT both (a) and (b) None of these are written in English All of these can use aggregate functions like SUM and COUNT both (a) and (b) None of these are written in English All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: three-dimensional table. one-dimensional table. two-dimensional table. Column. three-dimensional table. one-dimensional table. two-dimensional table. Column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains All of these the names of all fields in all files the data types of all fields in all files None of these the widths of all fields in all files All of these the names of all fields in all files the data types of all fields in all files None of these the widths of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
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