Introduction to Database System A relation is a two-dimensional table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database both (a) and (b) All of these are written in English None of these can use aggregate functions like SUM and COUNT both (a) and (b) All of these are written in English None of these can use aggregate functions like SUM and COUNT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): relationship. identifier. entity. attribute. relationship. identifier. entity. attribute. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means revising the file structure reorganizing the database all of the listed here modifying or adding record occurrences revising the file structure reorganizing the database all of the listed here modifying or adding record occurrences ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? records complex logical relationships tables treelike structure records complex logical relationships tables treelike structure ANSWER DOWNLOAD EXAMIANS APP