DB2: Alter a column

 db2 set current schema wcs;

db2 "ALTER TABLE XGCPTMWUNIVERSEPRODUCT ALTER COLUMN MAXHEMLENGTH SET DATA TYPE DECIMAL (8,4)";


db2 reorg table XGCPTMWUNIVERSEPRODUCT inplace;


OR 


For exclusive access:

db2 reorg table XGCPTMWUNIVERSEPRODUCT classic allow no access;

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