Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System SQL stands for ________ . Structured Question Language Sequential Question Language Structured Query Language Sequential Query Language Structured Question Language Sequential Question Language Structured Query Language Sequential Query Language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A tuple is a(n): two dimensional table. column of a table. key of a table. row of a table. two dimensional table. column of a table. key of a table. row of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file upgrading Updating renewing restructuring upgrading Updating renewing restructuring ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if both (b) and (c) they have a row in common they have a field in common None of these they have no records with the same value in the common field both (b) and (c) they have a row in common they have a field 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 Table is synonymous with the term: field. record. relation. column. field. record. relation. column. ANSWER DOWNLOAD EXAMIANS APP
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