Introduction to Database System A key: identifies a row. can only be one column. identifies a column. must always be composed of two or more columns. identifies a row. can only be one column. identifies a column. must always be composed of two or more columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Enterprise Resource Planning (ERP) is an example of a single user database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: Column. three-dimensional table. one-dimensional table. two-dimensional table. Column. three-dimensional table. one-dimensional table. two-dimensional table. 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 The only reason for the existence of relations is to store instances of functional dependencies. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list in alphabetical order is in ascending order is in descending order is the result of a sort operation None of these both (b) and (c) is in ascending order is in descending order is the result of a sort operation None of these both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP