Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Network database None of these Relational database Hierarchical database Distributed database Network database None of these Relational database Hierarchical database Distributed database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS 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 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 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the rows matters. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for All of these None of these reducing storage space requirements improving data integrity protecting data in data communication systems All of these None of these reducing storage space requirements improving data integrity protecting data in data communication systems ANSWER DOWNLOAD EXAMIANS APP
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