Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? IDMS R:base Oracle dBase-II IDMS R:base Oracle dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if only a few transactions are involved None of these only a small computer system is available All of these a large computer system is available only a few transactions are involved None of these only a small computer system is available All of these a large computer system is available ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? data manipulation language report writer query language transaction log None of these data manipulation language report writer query language transaction log None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has a built-in capability to create, process and administer itself. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file upgrading restructuring renewing Updating upgrading restructuring renewing Updating ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. determinants. candidate keys. composite keys. foreign keys. determinants. candidate keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP