Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True 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 Which of the following indicates the maximum number of entities that can 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 SQL, which command(s) is(are) used to redefine an index's future storage allocation MODIFY INDEX None of these ALTER INDEX REDEFINE INDEX DO INDEX MODIFY INDEX None of these ALTER INDEX REDEFINE INDEX DO INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. One-to-many relationship One-to-one relationship Many-to-many relationship None of these Many-to-one relationship One-to-many relationship One-to-one relationship Many-to-many relationship None of these Many-to-one relationship ANSWER DOWNLOAD EXAMIANS APP