Introduction to Database System Two files may be joined into a third file if None of these they have a field in common both (b) and (c) they have no records with the same value in the common field they have a row in common None of these they have a field in common both (b) and (c) 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 Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Relationship Entity Identifier Attribute Relationship Entity Identifier Attribute ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an archetype entity a subtype entity itself an instance entity an archetype entity a subtype entity itself an instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys identify the records in the list All of the listed here identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys identify the records in the list All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? Programs are dependent on the files All of these It is file-oriented There is common sharing of data among the various applications It is inflexible Programs are dependent on the files All of these It is file-oriented There is common sharing of data among the various applications It is inflexible ANSWER DOWNLOAD EXAMIANS APP
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