Introduction to Database System A data dictionary doesn't provide information about: It allows a many-to-many relationship where data is located the size of the disk storage device It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship where data is located the size of the disk storage device It will be the dominant data base of the future It is conceptually simple ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? ID-independent entity Weak entity Strong entity ID-dependent entity ID-independent entity Weak entity Strong entity ID-dependent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A number of related records that are treated as a unit is called batch field data file batch field data file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to create a synonym for a schema object? CREATE SYNONYM CREATE SAME All of the listed here CREATE SCHEMA CREATE SYNONYM CREATE SAME All of the listed here CREATE SCHEMA ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: candidate keys. foreign keys. determinants. composite keys. candidate keys. foreign keys. determinants. composite keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if None of these both (b) and (c) they have no records with the same value in the common field they have a field in common they have a row in common None of these both (b) and (c) they have no records with the same value in the common field they have a field in common they have a row in common ANSWER DOWNLOAD EXAMIANS APP
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