UDS and DS

425 pts.
Tags:
AS/400
AS/400 database
Data structures
I know well Data Strucutre (DS) and its usage, how an UDS (Data Area Data Structure) is different from and ordinary DS, I just find to know by myself but I was unable to find it. Can any one help me in expalainigt this?

Software/Hardware used:
Iseries
ASKED: October 27, 2009  2:23 PM
UPDATED: October 27, 2009  3:20 PM

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Hi,

The link to explain it is

<a href=”http://publib.boulder.ibm.com/infocenter/iseries/v5r4/index.jsp?topic=/books/c092508602.htm”></a>

http://publib.boulder.ibm.com/infocenter/iseries/v5r4/index.jsp?topic=/books/c092508602.htm

Wilson

Reading the manual again, it may be difficult to understand…

The U just indicate that the DS is associated to a Data Area and this Data Area must be read automatically at program initialization and write back at it’s end.

The association can be by the DTAARA keyword, by a name in columns 7-21 or if it has no name it will be associated to the LDA (Local Data Area) which is created by OS for each hjob.

Wilson

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