Introduction to Database System Data encryption techniques are particularly useful for All of these improving data integrity None of these reducing storage space requirements protecting data in data communication systems All of these improving data integrity None of these reducing storage space requirements protecting data in data communication systems ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. True False True False 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? Minimum cardinality Maximum cardinality Greater Entity Count (GEC) ERD Minimum cardinality Maximum cardinality Greater Entity Count (GEC) ERD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called All of the listed here Relations Domains Queries All of the listed here Relations Domains Queries ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Key Determinant Relation Tuple Key Determinant Relation Tuple ANSWER DOWNLOAD EXAMIANS APP