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Message Posted: Mon, 31 Jul 2006 @ 20:59:58 GMT


     
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Subj:   Re: Oracle to Teradata Migration and Max Row Size
 
From:   John Graas

Per the "Database Design" manual:

"One LOB subtable is required for each column in a base table defined with a BLOB or CLOB data type."

"Each LOB is stored in 64 Kbyte sections in a subtable, except for the row that stores the last section. This means that for any LOB greater than 64 Kbytes, there is not a 1:1 equivalence between the number of base table rows and the number of LOB subtable rows supporting those base table rows."


jdg

www.jgraas.com



     
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