1. Is there any performance difference for declaring a primary or foreign key a column or table contraint? From the documentation, which way is faster and/or scales better:
CREATE TABLE distributors ( did integer, name varchar(40), PRIMARY KEY(did) );
CREATE TABLE distributors ( did integer PRIMARY KEY, name varchar(40) );
No difference - they're parsed to exactly the same thing (the first version).
2. Is DEFERRABLE and INITIALLY IMMEDIATE or INITIALLY DEFERRABLE perferred for performance? We generally have very small transactions (web app) but we utilize a model of:
No idea on this one :/
Chris
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