A full-select statement specifies a result table. If UNION is not used, the result of the full-select is the result of the specified subselect.
Following is the syntax diagram for the full-select statement:
┌─ choice ────┐ ►►─▼─ subselect ─┴─────────────────────────────────────────────────────────────►◄
Expansion of Where choice is as follows
├──┬─ UNION ─────┬─────────────────────────────────────────────────────────────┤ └─ UNION ALL ─┘
|
Copyright © 2014 CA.
All rights reserved.
|
|