Introduction to Database System If attributes A and B determine attribute C, then it is also true that: (A,B) is a composite determinant. C is a determinant. B → A → (A,B) is a composite determinant. C is a determinant. B → A → 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 Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ERD Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sort/report generators none of the listed here require more disk space than index/report generators are faster than index/report generators do not need to sort before generating a report none of the listed here require more disk space than index/report generators are faster than index/report generators do not need to sort before generating a report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Update Index Delete Sort key Update Index Delete Sort key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file that is organized in uniform format is formally referred to as a _____ or a database file. Structured data file Database Document None of these Record Structured data file Database Document None of these Record ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS