Identify the Letter of the Choice That Best Matches the Phrase

Identify the letter of the choice that best matches the phrase or definition.
-This database capability is one of the more powerful database features.

A) proof of concept
B) unit test
C) systems test
D) integration test
E) acceptance test
F) useful
G) documentation
H) character
I) record
J) primary key
K) SQL
L) flagged
M) inaccurate
N) byte
O) DBMS
P) validation
Q) data relationships
R) querying
S) functions
T) integrity