Introduction to Database System An indexing operation establishes an index for a file None of the listed here sorts file using two keys sorts a file using a single key establishes an index for a file None of the listed here sorts file using two keys sorts a file using a single key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? complex logical relationships tables records treelike structure complex logical relationships tables records treelike structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if a large computer system is available only a few transactions are involved only a small computer system is available All of these None of these a large computer system is available only a few transactions are involved only a small computer system is available All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the DBM approach, application programs perform the all of the listed here access control storage function processing functions all of the listed here access control storage function processing functions 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 In SQL, the CREATE TABLE is used to change a table's storage characteristics All of these to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table to redefine a column to change a table's storage characteristics All of these to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table to redefine a column ANSWER DOWNLOAD EXAMIANS APP