Introduction to Database System All instances of an entity class have the same attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? All of the entries in any column must be of the same kind. The columns must be ordered. No two rows in a table may be identical. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. The columns must be ordered. No two rows in a table may be identical. The cells of the table must contain a single value. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The database administration function includes computer operations management database access planning None of these application programming All of these computer operations management database access planning None of these application programming All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As relations tuple both (a) and (b) tables None of these relations tuple both (a) and (b) tables None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if All of these a large computer system is available only a small computer system is available None of these only a few transactions are involved All of these a large computer system is available only a small computer system is available None of these only a few transactions are involved ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The PROJECT command will create new table that has none of the listed here both of the listed here more rows than the original table more fields than the original table none of the listed here both of the listed here more rows than the original table more fields than the original table ANSWER DOWNLOAD EXAMIANS APP