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Record structure Structure of records and tables
220 U929-J-Z125-9-76
If a variable item or compression has not been defined for a record type, its records are
stored in the format below:
Figure 56: Standard format of a user-defined record
The following format is used to store the records of a record type if a variable item or
compression has been specified for it:
Figure 57: Compressed format of a user-defined record
SCD
Set
Record (as per schema)
Set
1
n
SCD
Compression
header
Compression
entry
Compression
entry
Compressed
record
No. of comp.
entries
Rec. length
Beginning of item
after comp.
before comp.