Andreas, > - Usage of varchar for key column
And? Varchar is somehow implicitly inferior for keys?
Watch it ... you're about to hit one of my "abuses of SQL" pet-peeves, the
overuse on INT surrogate keys ...
--
Josh Berkus
Aglio Database Solutions
San Francisco
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
