(1) (Object IDentifier) A permanent number assigned to an object for storage (persistence). It is typically a long integer, such as 128 bits, that can be computed using various methods to create a unique number. It functions in a similar manner to the way a key field in a relational database record uniquely identifies that record in a table. See UUID and GUID.
(2) (Object IDentifier) A temporary number assigned to objects created and used only in memory.
(2) (Object IDentifier) A temporary number assigned to objects created and used only in memory.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
Additional Resources
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