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- There is no requirement to specify a primary key when setting up a table definition, but it is strongly recommended that each table be set up with a key.
- LANSA automatically handles duplicate key errors and there is no need for user logic to handle or check for them.
- The existence of a unique primary key is important to LANSA because it uniquely identifies one and only one record in a table.
- Column key position is not related to 3.2.2 Column Sequence. However, the key columns are typically the first columns listed in the table.