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We cannot change the storage length attribute of a character column defined with CCSID 1208 to be 4 times the defined length. Many applications rely on the existing behavior, and many database designs have included an expansion factor in their length definitions. This change would be possible by adding a new clause on the column definition, but we don't intend to invest in this solution at this time. Instead, the user must do their own multiplication of the maximum number of characters by 4 and use that for their character column length value.
Db2 for i development team
IBM Power Systems Development
How would you expect this to work if you declare it CHAR(10), and it allocates 40 bytes and you insert a value of "A23456789012345" Would that get truncated to 10 characters, even though 40 bytes is more than sufficient? How would this effect existing tables that expect the old way. At a minimum we'd need a new keyword or something to distinguish the old way from the new way.