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MIT Data Warehouse LIBRARY CALL NUMBER SEARCH Table


Includes the classification number and a calculated classification number. Use this table to limit the query by classification.


Field Name

Description

Data Type

Length

CALL_NUMBER_CLASS_DISPLAY

This field is not indexed and displays the Class in original state without the padding with 0's. (Z30-CALL-NO)

VARCHAR2

50

CALL_NUMBER_SEARCH

Used to limit query by a range of Classification Numbers based on a calculated field. These numbers are LC numbers and include Serials half class numbers. The calculated field is derived by padding the numbers from left to right with 0's where the number is less than 4 digits in order to search and display in proper Class order. This field is indexed. (E.g., Z0711-Z1001)

VARCHAR2

50

CALL_NUMBER_SEARCH_KEY

Key used to join to the LIBRARY_CALL_NUMBER_SEARCH 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