Introduction to Database System In a relation, the order of the rows matters. True False True False 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 In SQL, which command is used to add new rows to a table? APPEND ADD ROW ALTER TABLE INSERT APPEND ADD ROW ALTER TABLE INSERT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? UPDATE INSERT APPEND BROWSE UPDATE INSERT APPEND BROWSE 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. ANSWER DOWNLOAD EXAMIANS APP