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PostgreSQL Reference Manual - Volume 1 - SQL Language Reference
by The PostgreSQL Global Development Group
Paperback (6"x9"), 716 pages
ISBN 0954612027
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6.8.4 macaddr

The macaddr type stores MAC addresses, i.e., Ethernet card hardware addresses (although MAC addresses are used for other purposes as well). Input is accepted in various customary formats, including

which would all specify the same address. Upper and lower case is accepted for the digits a through f. Output is always in the last of the forms shown.

ISBN 0954612027PostgreSQL Reference Manual - Volume 1 - SQL Language ReferenceSee the print edition