HP Neoview Release 2.4 Software - Manual (Page 79)

you to in-depth information about the operators in the Neoview Query Guide. For information
about the EXPLAIN statement, see the Neoview SQL Reference Manual.
For information about improving query plans, see Tips for Query Plan Performance
Improvements .
Operator Groups
Each operator is identified in the query tree by an icon that identifies the group type. These are
the operator groups:
File Scan
Root
Exchange
Insert
Split Top
Partition Access
Tuple
ESAM Subset
Group By
Merge Union
Default
ESAM Unique
Join
Sort
Data Mining
Query Workbench Query Details 79