Mongo ObjectId Key

Generates unique object identifiers.

Can be assigned to text columns that contain MongoDB ObjectId values. The column value must be 12 bytes long.

Characteristics

Consistency	Yes, can be made self-consistent
Linking	No, cannot be linked
Differential privacy	No
Data-free	No
Allowed for primary keys	No
Allowed for unique columns	No
Uses format-preserving encryption (FPE)	No
Privacy ranking	3 if not consistent 4 if consistent
Generator ID (for the API)	ObjectIdPkGenerator

How to configure

To configure the generator:

1. A MongoID object identifier consists of an epoch timestamp, a random value, and an incremented counter. To only change the random value portion of the identifier, but keep the timestamp and counter portions, toggle Preserve Timestamp and Incremental Counter to the on position.

2. Toggle the Consistency setting to indicate whether to make the generator self-consistent. By default, the generator is not consistent.

3. If Structural data encryption is enabled, then to use it for this column, toggle Use data encryption process to the on position.