Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. None of these Table Database Flat file Data structure None of these Table Database Flat file Data structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship Composite Relationship One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS All of the listed here what files are in the database what these files contain what attribute are possessed by the data All of the listed here what files are in the database what these files contain what attribute are possessed by the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if both (b) and (c) they have no records with the same value in the common field None of these they have a row in common they have a field in common both (b) and (c) they have no records with the same value in the common field None of these they have a row in common they have a field in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Information provider Information tree Directory information Database Information provider Information tree Directory information Database ANSWER DOWNLOAD EXAMIANS APP
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