Use TYPE RECORD or Create Object TYPE to build Collection?

Hi All,
I need to pull in data from our ERP system via a DB Link to keep some of our Web Data up to date. I wasn't sure if I should pull the data into my collection by creating a TYPE RECORD or Creating an Object Type and fillng it that way. Is there a preferrable method?
Record:
TYPE ItemInventory IS RECORD (
ProductID Products.ProductID%TYPE,
Qty Products.QTY%TYPE);
Object:
Create Type ProdObj as Object(
ProductID Products.ProductID%TYPE,
QTY Products.QTY%TYPE);
Maybe both are suitable....wasn't sure.
Any suggestions/info is greatly apprecaited.
S
Edited by: ScarpacciOne on Feb 21, 2010 7:54 PM

ScarpacciOne wrote:
We have a complex view we use from our ERP system that allows us to pull all of our available inventory and update our website with that information. What I was thinking I would do is refactor the current procedures that are in place to update this information and pull that views information into a collection so that I could speed up the update process.The basic difference between the two is that one is a dumb record structure (similar to a C struct), whereas the other is an intelligent class (similar to a class definition in Java/C++). It can have methods and constructors.
The next major difference is that one can only be use in the PL language and not in SQL. The record struct is a PL data type definition. PL cannot provide SQL engine support for it.
On the other hand, the SQL type definition is supported by both the PL and SQL languages. This allows the type to be transparently used in both languages.
I usually prefer the SQL type definition approach in general, as it allows for more flexibility.
However, for pure collection processing in PL/SQL, there's very little to choose between the two approaches as they serve the exact same purpose - increasing performance by decreasing context switching between the PL and SQL engines.
So you need to look beyond mere bulk collection and bulk processing to decide on which approach to use. For example, a SQL type definition allows for a standard SQL projection from cursors, enabling PL/SQL code to be cursor agnostic (as each cursor, irrespective of the table(s) queried, returns the same object type). However, if the aim is simply to bulk collect from that specific cursor, then it is a lot simpler to use a PL record struct.

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Many thanks,
Kalinga

ok but that is not an issue..
Hi experts,
How to use table type in bulk collect see the procedure used( oracle 10g)
and error is
PLS-00597: expression 'REQ_REC' in the INTO list is of wrong type
CREATE OR REPLACE PROCEDURE SAMPLE_SP IS
TYPE TYP_A AS OBJECT
( COLMN1 TABLE1.COLM1%TYPE,
COLMN2 TABLE1.COLM2%TYPE,
COLMN3 TABLE1.COLM3%TYPE
TYPE REC_A IS TABLE OF TYP_A;
REQ_REC A_REC;
CURSOR REQ_CUR IS SELECT COLM1,COLM2,COLM3 FROM TABLE1 WHERE <CONDITION>;
BEGIN
OPEN REQ_CUR;
LOOP
EXIT WHEN REQ_REC%NOTFOUND;
FETCH REQ_REC BULK COLLECT INTO REQ_REC LIMIT 1000;
FOR I IN 1..REQ_REC.COUNT
LOOP
<insert statement>
END LOOP;
COMMIT;
END LOOP;
END SAMPLE_SP;
Many thanks,
Kalinga
Message was edited by:
Kalinga

I'm trying to create a list using CustomSchemalXml property in ListCreationInformation object in CSOM. But, the code throws an error "Invalid List Schema".

I'm trying to create a list using CustomSchemalXml property in ListCreationInformation object in CSOM. But, the code throws an error "Invalid List Schema". Any pointers on how to set the CustomSchemalXml property?
Sri

Hi Lakshmanan,
Thanks for your reply.
I checked this post and there was no solution to the problem there. I undersand we cannot create a list based on custom template in CSOM, but what I'm looking for is how of form xml and set it to CustomSchemalXml
property, so that everytime when I want to create a list with similar content types and stuff, I can just set the
CustomSchemalXml property.
Sri

Use TYPE RECORD or Create Object TYPE to build Collection?

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