Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after All of these Insert None of these Delete Look-up All of these Insert None of these Delete Look-up ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database both (a) and (b) All of these are written in English None of these can use aggregate functions like SUM and COUNT both (a) and (b) All of these are written in English None of these can use aggregate functions like SUM and COUNT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. None of these Index Update Delete Sort Key None of these Index Update Delete Sort Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called any of the above ACCESS TOTAL None of these DB/DC dictionary any of the above ACCESS TOTAL None of these DB/DC dictionary ANSWER DOWNLOAD EXAMIANS APP