Database Extract Component

250K - size of the largest module loaded into virtual storage at one time for the Batch Database Extract Component.

File Buffers

Size of the operating system buffers for the files used by the Database Extract Component.

Pseudo Subschema

Approximately 3 times the size of the source or target subschemas.

Extract Record

Size of the largest database record being extracted plus 28 bytes, or 256 bytes, whichever is greater.

Set Stack Area

8K - size of area for saving set information when walking sets.