Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when None of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error Both of the listed here None of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the columns does not matter. True False True False 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? Weak entity ID- independent entity Strong entity ID-dependent entity Weak entity ID- independent entity Strong entity ID-dependent entity 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 create a table, defining its columns, integrity constrains, and storage allocation to redefine a column All of these to change a table's storage characteristics to add a column/integrity constraint to a table to create a table, defining its columns, integrity constrains, and storage allocation to redefine a column All of these to change a table's storage characteristics ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sophisticated report generators can All of the listed here print row-oriented reports selectively retrieve and print portions of a list perform arithmetic operations All of the listed here print row-oriented reports selectively retrieve and print portions of a list perform arithmetic operations ANSWER DOWNLOAD EXAMIANS APP