Re: Using procedures instead of coding update/insert

There are standard (oracle supplied) predefined types like:

DBMS_SQL.NUMBER_TABLE
DBMS_SQL.DATE_TABLE
DBMS_SQL.VARCHAR2_TABLE

Igor Neyman, OCP DBA
ineyman_at_perceptron.com

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Tuesday, January 15, 2002 2:05 PM

> They are possible, all right, with forall statement
> and/or with passing an array as a parameter. How many
> of your procedures do actually use that feature? Are you sure
> that the guy who has tested the difference between prepared
> SQL and PL/SQL procedure has done the necessary coding in order
> to compare apples to apples.
> Second, do not confuse array binds with passing an array.
> To pass an array, you have to define a type, define parameter
> of that type and pass the array as an object type. Not very intuitive
> or simple.
>
> -----Original Message-----
> Sent: Tuesday, January 15, 2002 12:40 PM
> To: Multiple recipients of list ORACLE-L
>
>
> You must be using Oracle 8.0 or earlier. Bulk/array binds are possible in
> PL/SQL (stored procedures) starting with Oracle 8i
>
> -----Original Message-----
> Sent: Tuesday, January 15, 2002 11:40 AM
> To: Multiple recipients of list 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
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Rakesh Gupta
> INET: GuptaR_at_telecomsys.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Gogala, Mladen
> INET: MGogala_at_oxhp.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Toepke, Kevin M
> INET: ktoepke_at_trilegiant.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Gogala, Mladen
> INET: MGogala_at_oxhp.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Igor Neyman
  INET: ineyman_at_perceptron.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).