Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows None of these SELECT DISTINCT All of these SELECT UNIQUE SELECT DIFFERENT None of these SELECT DISTINCT All of these SELECT UNIQUE SELECT DIFFERENT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . described self-describing an application program metadata compatible described self-describing an application program metadata compatible ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What software packages are commonly used for businesses that have to track extensive lists of clients and inventory? Special purpose packages Single function application packages Data management packages None of these Custom made programs Special purpose packages Single function application packages Data management packages None of these Custom made programs ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Related fields in a data base are grouped to form menu data record None of these bank data file menu data record None of these bank data file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to add a column/integrity constraint to a table to change a table's storage characteristics All of these to redefine a column to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table to change a table's storage characteristics All of these to redefine a column to create a table, defining its columns, integrity constrains, and storage allocation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS