Chapter 8

defining database connections

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(c)

database datatypes versus PDI datatypes

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(b)

Insert/Update step versus Table Output/Update steps

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(a) If an incoming row belongs to a product that doesn't exist in the products table, both the Insert/Update step and the Table output step will insert the record.

If an incoming row belongs to a product that already exist in the products table, the Insert/Update step updates it. In this alternative version, the Table output will fail (there cannot be two products with the same value for the primary key) but the failing row goes to the Update step that updates the record.

If an incoming row contains invalid data (for example, a price with a non numeric value), neither of the Insert/Update step, the ...

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