I do not think I would say less impact on the SGA. It is easier to control
the
impact on the server though. So in most cases, where there is more then one
developer
it probably works out that way.
-----Original Message-----
[EMAIL PROTECTED]
Sent: Tuesday, January 15, 2002 9:17 AM
To: Multiple recipients of list ORACLE-L
So what is the basis for the case by case judgement. I'm not being flip -
I really want to know.
>From the discussion so far it appears that the pros for PL/SQL procedures
are:
Uniform access method to the database for all applications
Processing done on the more robust server machine
Less impact on the SGA
Ease of maintenance
"Loosely couples" the application to the database in that database
changes only impact the procedures, not the code
The pros for prepared statements is that you can do array binds (which give
better performance).
Anything else? I'll be the first to admit that PL/SQL development is my
short suit.
"Gogala,
Mladen" To: Multiple recipients of list
ORACLE-L
<MGogala <[EMAIL PROTECTED]>
@oxhp.com> cc:
Sent by: root Subject: RE: Using procedures
instead of
coding update/insert
01/15/2002
11:40 AM
Please
respond to
ORACLE-L
The reason for that is the fact that with prepared statements you
can do array binds while that isn't possible with the stored procedures.
I don't like this kind of comparisons. I judge on case by case basis.
-----Original Message-----
Sent: Tuesday, January 15, 2002 10:55 AM
To: Multiple recipients of list ORACLE-L
We have done some preliminary testing and found prepared statements about
20% faster than stored procedures. We inserted 200,000 records at a time
(28-50 columns in a table ) using stored procedures and then used prepared
statements for the same dataset. Both of them were called from java using
JDBC thin drivers and interestingly found prepared statements faster.
Similarly, deletes were also about 15%-20% faster using prepared
statements.
For some reasons, updates to the same tables gave almost identical
performance.
Rakesh
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