ELECTROLYSIS AND STORAGE BATTERIES QUIZ

Query results

A relation

Just another table

A view

False

True

True

False

add rows to the table.

change the table structure.

delete rows from the table.

change the table data.

WHERE

ORDER BY

GROUP BY

FROM

SQL can be optimized

Increased network traffic

Greater security

Code sharing

To hide complicated SQL statements only

To hide columns only

To hide rows only

All of these

True

False

ALTERNATE KEY

FOREIGN KEY

PRIMARY KEY

UNIQUE

To save users from having to write an expression.

None of these

To accomplish both of the above.

To ensure that the results are consistent.