I am having a table which is having rudundant data<BR>&#062; and also not having a primary key.<BR>&#062; I want to import this data into my new table which has aprimary<BR>&#062; key .The problem is the attributes<BR>&#062; which make the primary key of the new table are redundant in the old<BR>&#062; table.How can I solve this problem.&#062;&#062; EX:&#062; OLD TABLE:&#062;<BR>&#062; a b c d e&#062; record1 2 3 4 5 6<BR>&#062; record2 2 3 3 6 6&#062;&#062; NEW TABLE :&#062;<BR>&#062; a b d e&#062; record1 2 3 5 6<BR>&#062; record2 2 3 6 6&#062;&#062; PK are a & b<BR>&#062; the attribute c is unnecessary..&#062;&#062;