Using Customer ID as the linking variable, what type of table relationship do the following two tables have?

Order ID

Customer ID

Order Date

$200$

$1004$

$6/7/2016$

$203$

$1005$

$5/6/2016$

$204$

$1005$

$6/10/2016$

$205$

$1005$

$7/20/2016$

$206$

$1006$

$5/4/2016$

Customer ID

City

$1004$

Columbia

$1005$

Aiken

$1006$

Charleston