Text-Only QEP
In a terminal monitor, a QEP is displayed as a tree, where each node has one or two children:
Parent
/ \
Child Child
/
Parent
/ \
Child Child
Only join nodes have two children. Other nodes have a left child only. Information on node types is provided in
Types of Nodes in a QEP (see page
Types of Nodes in a QEP).
The tree is read from bottom to top and from left to right, starting with the child nodes at the bottom, going up to the intermediate child nodes, if any, and finally up to the first parent node: