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Large Objects are stored in a so called Overflow Area. Within this Overflow
Area only the true LOB length is allocated.
Within the LOB column only 16 Byte (the address of the overflow area) is
reserved, except you add an ALLOCATE(Length) specification.
When an ALLOCATE(Length) is specified, this length is reserved within the
row.
Varying Character data or LOBs shorter as the allocated length are stored
directly within the row.
All data larger than the allocated length is stored within the overflow
area. The column includes only the address of the overflow area where the
data is located.
A LOB can be up to 2 GB. Per Row (Overflow area per row) only 3 GB can be
stored.
Mit freundlichen Grüßen / Best regards
Birgitta Hauser
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