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MIT Data Warehouse LIBRARY CIRC EVENT TYPE Table


Includes codes and desciptions about the event type (return, loan, hold), and the circulation type (i.e., the source such as PC Client, Self-Check, Your Acct). Excluded are details about active holds (Z37) or active loans (Z36). If you want a historical report about holds, contact the MIT Libraries Aleph Administrator. Use this table to limit Circulation statistics by event or circulation types.


Field Name

Description

Data Type

Length

CIRCULATION_TYPE

XXX

VARCHAR2

50

CIRCULATION_TYPE_CODE

XXX

VARCHAR2

1

LIBRARY_CIRC_EVENT_TYPE

2 digit code from Aleph database representing the circulation even type (e.g. 50 for Loan).

VARCHAR2

100

LIBRARY_CIRC_EVENT_TYPE_CODE

The description of the library circulation event (e.g. Loan, Return).

NUMBER

22

LIBRARY_CIRC_EVENT_TYPE_KEY

Key used to join to the LIBRARY_CIRC_EVENT_TYPE table. This field should only be used for joining data, NOT for reporting.

VARCHAR2

50

WAREHOUSE_LOAD_DATE

The date the record was loaded into the Data Warehouse from the source system.

DATE

8