ENABLE Reference Manual
 ENABLE ATTRIBUTES
 TREE Attribute
 The tree structures for several multifile applications are
 symbolically represented in Figure 4-3.
S5043-020
Level 1
Link Between Boxes
Depart-box
dept-no
dept-name
dept-loc
Level 2
Employ-box
empnum
empname
dept-num
Level 1
Link Between Boxes
Depart-box
dept-no
dept-name
dept-loc
Level 2
Employ-box
empnum
empname
dept-num
Level 3
Depends-box
depent-key
 empnum
 dep-no
dep-name
Level 1
Link Between Boxes
Depart-box
dept-no
dept-name
dept-loc
Level 2
Employ-box
empnum
empname
dept-num
Level 3
Benefits-box
emp-no
coverage-type
Level 3
Depends-box
depent-key
 empnum
 dep-no
dep-name
Link Between Boxes
Two-Level Tree Structure Three-Level Tree Structure
Three-Level Tree Structure with Four Boxes
 Figure 4-3. Symbolic Representation of Tree Structures
 4-74










