Introduction to Database System The logical data structure with a one-to-many relationship is a chain tree network relational chain tree network relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the maximum number of entities that can be involved in a relationship? ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities use identifiers while tables use keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a record management system might be handwritten list a Rolodex card file a business form None of these All of these handwritten list a Rolodex card file a business form None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. False True False True 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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