Ron Mayer <[EMAIL PROTECTED]> writes:
> Is it expected that I'd be better off sending big
> concatenated strings like
>    "insert into tbl (c1,c2) values (v1,v2);insert into tbl (c1,c2) values 
> (v3,v4);..."
> instead of sending them one at a time?

It's certainly possible, if the network round trip from client to server
is slow.  I do not think offhand that there is any material advantage
for the processing within the server (assuming you've wrapped the whole
thing into one transaction in both cases); if anything, the
concatenated-statement case is probably a bit worse inside the server
because it will transiently eat more memory.  But network latency or
client-side per-command overhead could well cause the results you see.

                        regards, tom lane

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