Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. True False True False 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 Data security threats include all of the listed here fraudulent manipulation of data hardware failure privacy invasion all of the listed here fraudulent manipulation of data hardware failure privacy invasion ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID- independent entity Weak entity Strong entity ID-dependent entity ID- independent entity Weak entity Strong entity ID-dependent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list in alphabetical order both (b) and (c) is in descending order is in ascending order is the result of a sort operation None of these both (b) and (c) is in descending order is in ascending order is the result of a sort operation None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema describes how data is actually stored on disk None of these is the entire database All of these is a standard way of organizing information into accessible parts describes how data is actually stored on disk None of these is the entire database All of these is a standard way of organizing information into accessible parts ANSWER DOWNLOAD EXAMIANS APP