SQL FOR DATABASE CONSTRUCTION

rows cannot be copied in mass from one table to another only.

rows can either be inserted into a table one at a time or in groups.

rows can be inserted into a table only one at a time only.

rows can be modified according to criteria only.

Code sharing

Increased network traffic

Greater security

SQL can be optimized

to simplify a result only.

None of these

to accomplish both of the above.

to prevent the display of sensitive data only.

INSTEAD OF

All of these

BEFORE

AFTER

add rows to the table.

change the table data.

delete rows from the table.

change the table structure.