Introduction to Database System Periodically adding, changing and deleting file records is called file Updating restructuring upgrading renewing Updating restructuring upgrading renewing ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. File structure Fields Records Database File structure Fields Records Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after Delete Look-up All of these None of these Insert Delete Look-up All of these None of these Insert ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? REMOVE INDEX DELETE INDEX DROP INDEX ROLL BACK INDEX REMOVE INDEX DELETE INDEX DROP INDEX ROLL BACK INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? 4GL Query language High level language SQL 4GL Query language High level language SQL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
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