Linkage methods SSL
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5.3 Determining the linkage of records 5.3.1 Determining the storage mode for set occurrences
UDS/SQL offers three different storage modes for linking member records to form a set
occurrence. These are:
– pointer array (POINTER-ARRAY)
– list (LIST), and
– chain (CHAIN)
The following example is used in this section to explain the three storage modes:
Figure 32: Example of storage modes for set occurrences
Milk
ARTICLE
Gin
Cocoa
ARTICLES-
AVAILABLE
SUPPLIER Moore
Beer