Carolina Innovative Users Group2005 Meeting

The University of North Carolina at CharlotteCharlotte, North Carolina

May 12 – 13, 2005

Global Update for Database Maintenance

Dan PfohlAssociate University Librarian for Computing Services

University of North Carolina Wilmington

- Describe Global Update Mode

- Impact on System Resources

- Compare to Rapid Update

- Examples of Global Update Routines

-Isolate Data

-Specify Changes

-Execute Changes

Global Update Resources

Millennium User Manual, p. 104002

IUG Program (2005) – Mastering Global Update by Richard Jackson

IUG Listserv

CIUG Listserv

Innovative Help Desk

What’s Global Update good for?

Global Update allows a user to quickly and easily add, delete, and change data on a database-wide scale.

•Retrieve records based on record type, field group tag, MARC tag, word or string in field/subfield

•Make single or multiple edits to specified records

•edit multiple types of records simultaneously

•find and replace tags or subfield indicators

•change the value of fixed-length fields

•insert new variable-length fields

•find and replace data in variable-length fields/subfields

•delete variable-length fields

•change the value of special fields

•delete duplicate fields

Types of changes within records:

Select records to update

Specify changes to be made

Preview the changes

Process the changes

Main Steps

To Get Started . . .

Multiple record types can be simultaneously updated if there are fields in both records that share the same index.

Specify Record Type

Specify Type of Search

Specify Review File Search

Specify Index Search

Specify Advanced Search

Advanced Limiting

Toggle Field Display

Manually Select Records

Click – anywhere on a line to select only that line and deselect all others.

Shift-click – selects a range.

Control-Click – toggles a line between selected and unselected.

Ctrl + a – selects entire list.

Command Tab

Adding data to the end of a field:

Command Line Ready

Preview Tab

Process Button

Statistics Tab

Number of records updates _____

Number of records not updated _____

Number of busy records _____

Total number of changes made _____

Multiple Change Commands

Preview of Multiple Changes

Order of Multiple Change Commands

Order of commands

All commands performed on individual records before system moves to next record

Specific change first, general change next

Multiple Change Commands (Example)

(Innovative User Manual, p. 105090)

Qualifying Codes

f use displayed fieldw match whole fieldc match cases match whole subfield

Other Global Updates

Update MARC 856 links for WAM’s Rewrite Proxy Server

Update MARC 245|h[computer file] => [electronic resource]

Various iLumina corrections (ENC LVL, URL spaces, ampersands, scientific notation, etc.)

Update Checkin records (Temp. holdings info, vendor tags)

UNIV EXP DATE in Patron records

Impact on System Resources

Server processing resources for Create lists

Server processing resources for Update processing

Adds to Transaction File

Rapid/Global Update

Both allow multiple edits simultaneously.Global update allows more types of edits.Global Update allows change to records of different types simultaneously.Global Update has a better preview of changes.

Questions