Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the _____ command is used to recompile a view COMPILE VIEW CREATE VIEW None of these DEFINE VIEW ALTER VIEW COMPILE VIEW CREATE VIEW None of these DEFINE VIEW ALTER VIEW ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database None of these can use aggregate functions like SUM and COUNT All of these are written in English both (a) and (b) None of these can use aggregate functions like SUM and COUNT All of these are written in English both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: where data is located It will be the dominant data base of the future It allows a many-to-many relationship It is conceptually simple the size of the disk storage device where data is located It will be the dominant data base of the future It allows a many-to-many relationship It is conceptually simple the size of the disk storage device ANSWER DOWNLOAD EXAMIANS APP