If I create a UNIQUE index on this table (4 concatenated not null columns) AND use the alter table command to enforce...
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the primary key, is this totally redundant?
Here are the statements I'm using and the elapsed time it is taking.
1) Create unique index X on X nologging (53 minutes).
2) Alter table X add constraint X primary key (col1, col2, col3) using index (one hour 50 minutes).
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