Advanced Database Concepts Replace and Delete Records
Unique record key is ‘internalaccntag’.
Record key must match existing database record.
Highest level ASN.1/BER tag identifies replace and delete (0=add, 9=replace, 15=del).
Sgmlconv program uses <reprec></reprec> and <delrec></delrec> tags to delimit records.
Marcconv uses record status values from the MARC fixed fields.
Record MUST already exist in the database index to be replaced/deleted.