Introduction to Database System Database applications are seldom intended for use by a single user. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes records and files data elements None of these record relationships All of these records and files data elements None of these record relationships All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to redefine a column to add a column/integrity constraint to a table to change a table's storage characteristics to create a table, defining its columns, integrity constrains, and storage allocation All of these to redefine a column to add a column/integrity constraint to a table to change a table's storage characteristics to create a table, defining its columns, integrity constrains, and storage allocation All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ . user data A report indexes metadata user data A report indexes metadata ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to identify the name, width and type of the fields of each record. identify the records in the list All of the listed here decide which fields will be used as sort or index keys identify the name, width and type of the fields of each record. identify the records in the list All of the listed here decide which fields will be used as sort or index keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. True False True False ANSWER DOWNLOAD EXAMIANS APP