
Total
Records
Read
For each
A reads
in B
Reads AIndex BIndex A
Selec-
tion For-
mula
Link
ing/Sub
report
200
100
(2*100)
2YesYesYesLinking
67,600
2600
(26*2600)
26NoNoNo
Subre
port
67,600
2600
(26*2600)
2NoYesNo
Subre
port
2600
100
(26*100)
26YesYesNo
Subre
port
5200
2600
(2*2600)
2NoNoYes
Subre
port
2600
100
(26*100)
26YesNoYes
Subre
port
200
100
(2*100)
2YesYesYes
Subre
port
Crystal Reports 2008 SP3 User's Guide 669
25
Understanding Databases
Linking tables
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