The number of times that accesses to overflowed rows on this table were required since Spotlight connected to the database or since statistics were reset. An overflowed row is an updated row that no longer fits on the data page where the row was originally written. The overflow is usually the result of one of these events:
An update to a VARCHAR value
An ALTER TABLE statement that adds columns to the table
Overflowed rows indicate that data fragmentation has occurred. If the number overflowed row accesses for the table is high, consider reorganizing the table using the DB2 REORG utility to clean up the fragmentation.
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