<optimisticadd> The optimisticadd option specifies the strategy used by c-tree to add new records. This feature is turned on by default. Accepted Values Value Effect Synonyms yes c-tree uses an optimistic strategy which provides optimal performance when adding non-existing records. This is the default value. y, true, on, 1 no c-tree uses a pessimistic strategy that is attempts to add unique keys before adding the data record. n, false, off, 0 Example <optimisticadd>no</optimisticadd>