Description of the illustration jointree.eps

• Level 3:
• TblLkRangeScan (Step 1)
• RangeScan (Step 2)

• Level 2:
• MergeJoin (Step 3)
• TblLkRangeScan (Step 4)

• Level 1:
• MergeJoin (Step 5)

Additional information is in the text preceding the figure.