Metadata cleanup using SQL

Find 9xx fields used in Sierra using a SQL query.

Prior to Alma migration, quotation marks must be cleaned up in Sierra for successful data validation using a SQL query.

Find items with holds still active using a Sierra SQL query.

Search for historical rave links no longer in use using a Sierra SQL query and delete them from any records.

 Ensure that OCLC prefixes are not in the 001 field using a SQL query.

Find item records that are not linked to a bibliographic record using a SQL query.