General considerations for using field-level sensitivity

When you use field-level sensitivity, be aware of the following general considerations.

• Field-level sensitivity is not supported for GSAM, MSDB, or DEDB databases.
• Fields referenced in PSBGEN with SENFLD statements must be defined in DBDGEN with FIELD statements.
• The same DBD field can be referenced in more than one SENFLD statement.
• When using field-level sensitivity, the application program always sees a fixed length segment for a given PCB, regardless of whether the segment is fixed or variable.
• Application programs must be sensitive to any field referenced in an SSA, except the sequence field.
• Application programs must be sensitive to the sequence field, if present, for insert or load.
• Field-level sensitivity and segment level sensitivity can be mixed in the same PCB.
• Non-referenced, non-defined fields are set to binary zeros as fill characters, when required, during insert or replace operations.
• Using call/trace with the compare option increases the amount of storage required in the PSB work pool.