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Cumulative Properties

The following properties are shown in the Full detail mode of the Operator Details window:

Tables
The set of tables that has been accessed thus far in the access plan.

Columns
The set of columns that has been accessed thus far in the access plan.

Order Columns
The columns on which this stream is ordered. They can be ascending (ASC), or descending (DESC). A value of -1 indicates that they are not ordered.

Predicates
The set of predicates applied (including an estimate of their selectivity).

Cardinality
The estimated number of rows to be returned.

Be sure to use the runstats command after making your table updates; otherwise, the table may appear to be empty to the optimizer. This problem is evident if the number of rows is zero (0). In this case, complete your table updates, rerun runstats, and recreate the explain snapshots for the table.

Total Buffer Pool Pages Used
The estimated number of pages in the buffer pool that will be required during processing of this operator and its inputs.

Graphic denoting partitioned database environments appears here.Partitioning map identifier
A partition number that maps a partitioning map index to database partitions in the nodegroup.

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