Introduction to Database System Two files may be joined into a third file if they have a field in common both (b) and (c) None of these they have no records with the same value in the common field they have a row in common they have a field in common both (b) and (c) None of these they have no records with the same value in the common field they have a row in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to create a database user? ADD USER TO DATABASE MK USER CREATE USER All of the listed here ADD USER TO DATABASE MK USER CREATE USER All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): attribute. database. entity class. ER attribute. database. entity class. ER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows None of these SELECT DISTINCT SELECT DIFFERENT SELECT UNIQUE All of these None of these SELECT DISTINCT SELECT DIFFERENT SELECT UNIQUE All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key None of these both (a) and (b) is made up a several pieces of information uniquely identifies an item in a list is a combination of each unique key None of these both (a) and (b) is made up a several pieces of information uniquely identifies an item in a list is a combination of each unique key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: It is conceptually simple where data is located the size of the disk storage device It allows a many-to-many relationship It will be the dominant data base of the future It is conceptually simple where data is located the size of the disk storage device It allows a many-to-many relationship It will be the dominant data base of the future ANSWER DOWNLOAD EXAMIANS APP
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