Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Index Sort Key Delete None of these Update Index Sort Key Delete None of these Update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a field in common both (b) and (c) they have a row in common None of these they have no records with the same value in the common field they have a field in common both (b) and (c) they have a row in common None of these they have no records with the same value in the common field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS each user can "see" only a small part of the entire database each subschema contains every field in the logical schema each user can access every sub¬schema all of the listed here each user can "see" only a small part of the entire database each subschema contains every field in the logical schema each user can access every sub¬schema all of the listed here 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? Composite Relationship 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 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want your database to include methods, you should use a _____ database. Distributed Hierarchical Object-Oriented Network Distributed Hierarchical Object-Oriented Network ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in a sequential file a tree file a hashed file an indexed file None of these a sequential file a tree file a hashed file an indexed file None of these ANSWER DOWNLOAD EXAMIANS APP
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