SQL FOR DATABASE CONSTRUCTION

rows can be modified according to criteria only.

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.

Code sharing

SQL can be optimized

Greater security

Increased network traffic

to simplify a result only.

to prevent the display of sensitive data only.

None of these

to accomplish both of the above.

All of these

BEFORE

AFTER

INSTEAD OF

add rows to the table.

change the table structure.

change the table data.

delete rows from the table.