So the general answer is: it depends. is undefined, so it's impossible to set expectations across DB-API implementations. Questions: Is there a way to check if a table exists without selecting and checking values from it? Due to the performance benefits, the default Cursor.arraysize is 100 instead of the 1 that the DB API recommends. Python has a great support for working with databases. This is my approach to fetchall: Data=cursor.fetchall() - Return all the records retrieved as per query in a tuple form. Something is killing your connection between statements. import psycopg2 # Update connection string information host = "
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