Is it wrong to use SQL % ROWCOUNT = 0?

Hello

I have two tables, BILL and VALIDATIONS, have all two (LDAP_UID, TERM) as a composite key. I wrote a procedure to do the following:

1. I use this composite key to extract some the key fields from the table of BILL, form a new row and insert it into the table VALIATIONS;
2. prior to inserting into the table of VALIDATIONS, I use a SELECT statement to verify if the composite key already exists in the table of VALIDATION and not inserting at least that the composite key is not found.

The procedure is the following:

create or replace procedure save_transactions
   (i_ldap_uid IN varchar2, i_term IN varchar2)
AS
   v_validated_ldap_uid validations.ldap_uid%type;
   v_student_id validations.student_id%type;
   v_first_name validations.first_name%type;
   v_last_name validations.last_name%type;
   v_term validations.term%type;
BEGIN
   select ldap_uid
   into v_validated_ldap_uid
   from validations
   where ldap_uid = i_ldap_uid
   and term = i_term;

   if SQL%ROWCOUNT = 0 then
      select student_id, first_name, last_name
      into v_student_id, v_first_name, v_last_name
      from bill
      where ldap_uid = i_ldap_uid
      and term = i_term;
      insert into validations values (
      v_student_id, i_ldap_uid, v_first_name, v_last_name,
      i_term, sysdate, (to_char(sysdate, 'yymmdd'))||
      (select to_char(count(TRANSACTION_DATE)+1, 'fm0999') from VALIDATIONS where to_char(TRANSACTION_DATE) = to_char(sysdate))
      );
   end if;
END;
/

The procedure is created and updated clean, without any error. But the error occurs when using it. If the line is already in table VALIDATIONS, the {color: blue} if SQL % ROWCOUNT = 0 {color} is fine and the insertion code block is bypassed. However, if the line is not found in the table of VALIDATION, I got the following error:

SQL> execute save_transactions('john.brown', '200902')
BEGIN save_transactions('john.brown', '200902'); END;

*
ERROR at line 1:
ORA-01403: no data found
ORA-06512: at "ZBOV.SAVE_TRANSACTIONS", line 10
ORA-06512: at line 1

Well, for me, the whole use of SQL % ROWCOUNT is for testing. If he cannot test SQL ROWCOUNT = 0%, how else can test? However, I got the error and I must be wrong. But what is bad?

Thanks a lot for your help!

Newman

Hello

The "no data found" error is raised whenevde make you a select... IN the query and the query found no line.
You can always include SELECT it... IN his own statement BEGIN block, with its own «EXCEPTION WHEN NO_DATA_FOUND» Manager... ", but often, there are easier ways to work around the problem.

In this example, I can see two of these ways:

(1) Say

SELECT  COUNT (*)
INTO    num_found
FROM    transactions
WHERE   ldap_uid = i_ldap_uid
AND     term     = i_term;

   if num_found = 0 then
...

"SELECT COUNT...". "without a GROUP BY will always return exactly one line, if you do not have to worry about the error"no data found ".

(2) a better (but more difficult) solution: instead of making a "INSERT...". Statement of VALUES... ', using the results of the query on the Bill, make a

INSERT  ...
SELECT  ...
FROM    bill
WHERE   ...
AND     NOT EXISTS
        (
        SELECT  1
        FROM    validations
        WHERE   ldap_uid = i_ldap_uid
        AND     term     = i_term
        );

In fact, you have PL/SQL to do this (although there are good reasons to have a PL/SQL procedure that does nothing other than this INSERT statement).

Tags: Database

Similar Questions

SQL ROWCOUNT %

When I use SQL % ROWCOUNT, it returns the account = 1 if there is no record of the PRODUCT in the condition table
SELECT count (*) from the PRODUCT v_count WHERE LOC = v_oldloc;
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Hello

% ROWCOUNT SQL returns you the number of lines that returns the query "SELECT count (*) in v_count PRODUCT WHERE LOC = v_oldloc;

In fact, the query returns a row with the value 0. This is why SQL ROWCOUNT % gives you 1 as output.

Of course v_count is 0 because it is what is the result of the query.

Both are expected results in your case.

Cheerz,

Stako

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end;
/
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0 line = 1
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filed Bug 19844303 - SQL % ROWCOUN RETURNS a VALUE INCORRECTE

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I'm translating a procedure of Ingres to oracle. I use the Oracle sql and sqlcode % rowcount
variables instead of Ingres, iierrornumber and iirowcount.

I replaced the names of ingres with the names of oracle and now wonder how how oracle uses these
values.

I use DBMS_OUTPUT. Put_line to display the content of rowcount % sqlcode and sql.

What happens when I'm 'without selected lines. I have run the same query in the stand-alone command line
and don't get any selected rows... "(and that's okay, because I do not have the corresponding data to)."

But when I run it in the procedure, I don't get any value of sqlcode or sql % rowcount... the
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If you get no rows returned, what it means, the sqlcode is 0? and the number of lines % sql is empty?
That's why my DBMS_OUTPUT. Put_line does not display anything?

my example...

before this section in proceedings... after running another select statement that returns data...
I use the DBMS to debug the values I spent...

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DBMS_OUTPUT. Put_line ('until sqlrowcount is"| % rowcount sql);

Select the table value
WHERE condition = "Y"; > This selection will be made 'no return lines' and ignore the below DBMS_OUTPUTS - 2

DBMS_OUTPUT. Put_line ('AFTER sqlcode is' | sqlcode);
DBMS_OUTPUT. Put_line ("AFTER sqlrowcount is" | % rowcount sql);

When I run the procedure... I get statements DBMS BEFORE and nothing after...
BEFORE sqlcode is 0
Sqlrowcount is 1 > > > > that's all that is displayed

Given that I'm getting the 'no row returned. How oracle it round to the experience of someone?

Thank you. I learn a lot from your comments and your information.
Show us the full procedure please.

I'm guessing that you have a generic WHEN catch of OTHER exception that swallows the NO_DATA_FOUND exception I expect to see (depending on what you posted).

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Could someone please guide me if you have a sample code file and xml.
<? XML version = "1.0" encoding = "UTF-8"? >
< generation_date > <! [CDATA [17/11/2015]] > < / generation_date >
< generated_by > <! [CDATA [Admin Admin]] > < / generated_by >
< year > <! [CDATA [2015]] > < / year >
< month > <! [CDATA [01]] > < / month >
< author >
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< author_email > <! [CDATA [[email protected]]] > < / author_email >
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< author_data_02 > <! [CDATA []] > < / author_data_02 >
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< article_item >
< article_id > <! [CDATA [123456]] > < / article_id >
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XMLTABLE using...

SQL > ed
A written file afiedt.buf

1 with t (xml) as (select xmltype ('))
2
3
4
5
6
7
8
9
10
11
[[12 [email protected]]] >
13
14
15
16
17
18
19

20
21
22
23
24
25
26
27
28
29
30
31
32
33 ") of the double)"
34-

35 end of sample data
36-
37 - assumptions:
(38 - a) XML may have several tags
(39 - b) each may contain more
40-
41 select x.gen_by, x.gen_date, x.mn, x.yr
42, y.author, y.auth_fn, y.auth_ln, y.auth_cnt, y.auth_em, y.auth_d1, y.auth_d2
43, z.id, z.pub, z.sec, z.iss_dt, z.pg, z.art_ttl, z.num_wrds, z.oprice, z.ocurr, z.price, z.curr
44 t
45, xmltable ('/ authxml')
from $ 46 t.xml
path of 47 columns gen_date varchar2 (10) '. / generation_date'
48, path of varchar2 (15) of gen_by '. / generated_by'
49, path of varchar2 (4) year '. "/ year"
50 varchar2 (2) mn road '. "/ month"
51, path of xmltype authors '.'
52                 ) x
53, xmltable ('/ authxml/authors ')
from $ 54 x.authors
author of 55 path of varchar2 columns (15) '. / author'
56, path of varchar2 (10) of auth_fn '. / author_firstname'
57, path of varchar2 (10) of auth_ln '. / author_lastname'
58 road of VARCHAR2 (3) auth_cnt '. / author_country'
59 road of varchar2 (20) of auth_em '. / author_email'
60 road of varchar2 (5) of auth_d1 '. / author_data_01'
61, path of varchar2 (5) of auth_d2 '. / author_data_02'
62, path of xmltype articles '. / Articles'
63                 ) y
64, xmltable ('/ Articles/article_item ')
from $ 65 y.articles
path id 66 number columns '. / article_id'
67, path of varchar2 (10) pub '. ' / publication.
68 road of varchar2 (10) dry '. / section'
69, path of varchar2 (10) of iss_dt '. / issue_date'
70 road of VARCHAR2 (3) pg '. "/ print this page"
71, path of varchar2 (20) of art_ttl '. / article_title'
72, path of varchar2 (5) of num_wrds '. / number_of_words'
73, path of varchar2 (5) of oprice '. / original_price'
74 road to VARCHAR2 (3) ocurr '. / original_price_currency'
75, path of varchar2 (5) price '. "/ price"
76, path of VARCHAR2 (3) curr '. / price_currency'
77*                ) z
SQL > /.

GEN_DATE GEN_BY YEAR MN AUTHOR AUTH_FN AUTH_LN AUT AUTH_EM AUTH_ AUTH_ ID PUB DRY ISS_DT PG ART_TTL NUM_W OPRIC HEARTS PRICE OCU
---------- --------------- ---- -- --------------- ---------- ---------- --- -------------------- ----- ----- ---------- ---------- ---------- ---------- --- -------------------- ----- ----- --- ----- ---
17/11/2015 Admin Admin 2015 01 user author user author [email protected] 123456 UAE Al Bayan Local 11/11/2015 2 is the title.   165 200 AED AED 250

Of course, you'll want to change the types of data, etc. as needed.

I assumed that the XML can contain several "" sections and that each section can contain several entries.

Thus the XMLTABLE aliasing as 'x' gives information of XML, and supplies the data associated with the XMLTABLE with alias 'y' which gets the multiple authors, which itself section of the XMLTABLE with alias 'z' for each of the article_item.

CDATA stuff are handled automatically by SQLX (XML functionality integrated into Oracle's SQL)

% SQL rowcount returns 1, but he should return 2

Oracle 10g
Hi gurus
I was reading one of the PL/SQL challenge site https://plsqlchallenge.oracle.com/pls/apex/f?p=10000:23:114157934581224:NOquestion: but can't get the exact idea.
I appreciate if someone helps me to understand the code.
Examples of data
Set serveroutput on
/
drop table plch_stuff;
/
CREATE TABLE plch_stuff)
ID INTEGER PRIMARY KEY,
NM SINGLE VARCHAR2 (5))
/
create or replace procedure (plch_insert)
insert_row_in IN BOOLEAN DEFAULT true)
IS
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Start
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Result
Last Count = 1
But according to my understanding, result = last count = 2 because a sql % rowcount for insert and then one to update. Please guide. Thank you
Concerning
Matt

But according to my understanding, result = last count = 2 because a sql % rowcount for insert and then one to update. Please guide. Thank you

Where did you got your "understanding"?

When you have questions about the basic features Oracle, you must ALWAYS first check the documentation.

A search on the web for "oracle 11g sql % rowcount" returns this as the first link

http://docs.Oracle.com/CD/B28359_01/AppDev.111/b28370/sql_cursor.htm

% NUMBER OF LINES

Returns the number of rows affected by a INSERT , UPDATE , or DELETE or returned by a statement SELECT INTO statement.

The County refers to one, AND only ONE, statement - the last statement executed.

Import Export using SQL Developer

People
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DHCP-1-1-2. WNLB-CMTS-03-3,WNLB-CMTS-04-4,WNLB-CMTS-05-5
DHCP-1-1-3. WNLB-CMTS-01-1
DHCP-1-1-4. WNLB-CMTS-05-8,WNLB-CMTS-05-6,WNLB-CMTS-05-0,WNLB-CMTS-03-3
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create table subntwk (subntwk_nm varchar2 (20), subntwk_ip varchar2 (30));
create table link (link_nm varchar2 (50));
SQL scripts that I created to load data is like.
coil load_cmts.log
Set serveroutput on
DECLARE
CURSOR c_stg_cmts IS SELECT *.
OF stg_cmts_data;
TYPE t_stg_cmts IS TABLE OF stg_cmts_data % ROWTYPE INDEX BY pls_integer;
l_stg_cmts t_stg_cmts;
l_cmts_cnt NUMBER;
l_cnt NUMBER;
NUMBER of l_cnt_1;
BEGIN
OPEN c_stg_cmts.
Get the c_stg_cmts COLLECT in BULK IN l_stg_cmts;
BECAUSE me IN l_stg_cmts. FIRST... l_stg_cmts. LAST
LOOP
SELECT COUNT (1)
IN l_cmts_cnt
OF subntwk
WHERE subntwk_nm = l_stg_cmts (i) .cmts_token;
IF l_cmts_cnt < 1 THEN
INSERT
IN SUBNTWK
(
subntwk_nm
)
VALUES
(
l_stg_cmts (i) .cmts_token
);
DBMS_OUTPUT. Put_line ("token has been added: ' |") l_stg_cmts (i) .cmts_token);
ON THE OTHER
DBMS_OUTPUT. Put_line ("token is already present'");
END IF;
WHEN l_stg_cmts EXIT. COUNT = 0;
END LOOP;
commit;
EXCEPTION
WHILE OTHERS THEN
Dbms_output.put_line ('ERROR' |) SQLERRM);
END;
/
output
for dhcp

coil load_dhcp.log
Set serveroutput on
DECLARE
CURSOR c_stg_dhcp IS SELECT *.
OF stg_dhcp_data;
TYPE t_stg_dhcp IS TABLE OF stg_dhcp_data % ROWTYPE INDEX BY pls_integer;
l_stg_dhcp t_stg_dhcp;
l_dhcp_cnt NUMBER;
l_cnt NUMBER;
NUMBER of l_cnt_1;
BEGIN
OPEN c_stg_dhcp.
Get the c_stg_dhcp COLLECT in BULK IN l_stg_dhcp;
BECAUSE me IN l_stg_dhcp. FIRST... l_stg_dhcp. LAST
LOOP
SELECT COUNT (1)
IN l_dhcp_cnt
OF subntwk
WHERE subntwk_nm = l_stg_dhcp (i) .dhcp_token;
IF l_dhcp_cnt < 1 THEN
INSERT
IN SUBNTWK
(
subntwk_nm
)
VALUES
(
l_stg_dhcp (i) .dhcp_token
);
DBMS_OUTPUT. Put_line ("token has been added: ' |") l_stg_dhcp (i) .dhcp_token);
ON THE OTHER
DBMS_OUTPUT. Put_line ("token is already present'");
END IF;
WHEN l_stg_dhcp EXIT. COUNT = 0;
END LOOP;
commit;
EXCEPTION
WHILE OTHERS THEN
Dbms_output.put_line ('ERROR' |) SQLERRM);
END;
/
output
for link -.
coil load_link.log
Set serveroutput on
DECLARE
l_cmts_1 VARCHAR2 (4000 CHAR);
l_cmts_add VARCHAR2 (200 CHAR);
l_dhcp_cnt NUMBER;
l_cmts_cnt NUMBER;
l_link_cnt NUMBER;
l_add_link_nm VARCHAR2 (200 CHAR);
BEGIN
FOR (IN) r
SELECT dhcp_token, cmts_to_add | ',' cmts_add
OF stg_link_data
)
LOOP
l_cmts_1: = r.cmts_add;
l_cmts_add: = TRIM (SUBSTR (l_cmts_1, 1, INSTR (l_cmts_1, ',') - 1));
SELECT COUNT (1)
IN l_dhcp_cnt
OF subntwk
WHERE subntwk_nm = r.dhcp_token;
IF l_dhcp_cnt = 0 THEN
DBMS_OUTPUT. Put_line ("device not found: ' |") r.dhcp_token);
ON THE OTHER
While l_cmts_add IS NOT NULL
LOOP
l_add_link_nm: = r.dhcp_token |' _TO_' | l_cmts_add;
SELECT COUNT (1)
IN l_cmts_cnt
OF subntwk
WHERE subntwk_nm = TRIM (l_cmts_add);
SELECT COUNT (1)
IN l_link_cnt
LINK
WHERE link_nm = l_add_link_nm;
IF l_cmts_cnt > 0 AND l_link_cnt = 0 THEN
INSERT INTO link (link_nm)
VALUES (l_add_link_nm);
DBMS_OUTPUT. Put_line (l_add_link_nm |) » '||' Has been added. ") ;
ELSIF l_link_cnt > 0 THEN
DBMS_OUTPUT. Put_line (' link is already present: ' | l_add_link_nm);
ELSIF l_cmts_cnt = 0 then
DBMS_OUTPUT. Put_line (' no. CMTS FOUND for device to create the link: ' | l_cmts_add);
END IF;
l_cmts_1: = TRIM (SUBSTR (l_cmts_1, INSTR (l_cmts_1, ',') + 1));
l_cmts_add: = TRIM (SUBSTR (l_cmts_1, 1, INSTR (l_cmts_1, ',') - 1));
END LOOP;
END IF;
END LOOP;
COMMIT;
EXCEPTION
WHILE OTHERS THEN
Dbms_output.put_line ('ERROR' |) SQLERRM);
END;
/
output
control files -
DOWNLOAD THE DATA
INFILE 'cmts_data.csv '.
ADD
IN THE STG_CMTS_DATA TABLE
When (cmts_token! = ") AND (cmts_token! = 'NULL') AND (cmts_token! = 'null')
and (cmts_ip! = ") AND (cmts_ip! = 'NULL') AND (cmts_ip! = 'null')
FIELDS TERMINATED BY ' |' SURROUNDED OF POSSIBLY "" "
TRAILING NULLCOLS
('RTRIM (LTRIM (:cmts_token))' cmts_token,
cmts_ip ' RTRIM (LTRIM(:cmts_ip)) ")". "
for dhcp.

DOWNLOAD THE DATA
INFILE 'dhcp_data.csv '.
ADD
IN THE STG_DHCP_DATA TABLE
When (dhcp_token! = ") AND (dhcp_token! = 'NULL') AND (dhcp_token! = 'null')
and (dhcp_ip! = ") AND (dhcp_ip! = 'NULL') AND (dhcp_ip! = 'null')
FIELDS TERMINATED BY ' |' SURROUNDED OF POSSIBLY "" "
TRAILING NULLCOLS
('RTRIM (LTRIM (:dhcp_token))' dhcp_token,
dhcp_ip ' RTRIM (LTRIM(:dhcp_ip)) ")". "
for link -.
DOWNLOAD THE DATA
INFILE 'link_data.csv '.
ADD
IN THE STG_LINK_DATA TABLE
When (dhcp_token! = ") AND (dhcp_token! = 'NULL') AND (dhcp_token! = 'null')
and (cmts_to_add! = ") AND (cmts_to_add! = 'NULL') AND (cmts_to_add! = 'null')
FIELDS TERMINATED BY ' |' SURROUNDED OF POSSIBLY "" "
TRAILING NULLCOLS
('RTRIM (LTRIM (:dhcp_token))' dhcp_token,
cmts_to_add TANK (4000) RTRIM (LTRIM(:cmts_to_add)) ")" ""
SHELL SCRIPT-
If [!-d / log]
then
Mkdir log
FI
If [!-d / finished]
then
mkdir makes
FI
If [!-d / bad]
then
bad mkdir
FI
nohup time sqlldr username/password@SID CONTROL = load_cmts_data.ctl LOG = log/ldr_cmts_data.log = log/ldr_cmts_data.bad DISCARD log/ldr_cmts_data.reject ERRORS = BAD = 100000 LIVE = TRUE PARALLEL = TRUE &
nohup time username/password@SID @load_cmts.sql
nohup time sqlldr username/password@SID CONTROL = load_dhcp_data.ctl LOG = log/ldr_dhcp_data.log = log/ldr_dhcp_data.bad DISCARD log/ldr_dhcp_data.reject ERRORS = BAD = 100000 LIVE = TRUE PARALLEL = TRUE &
time nohup sqlplus username/password@SID @load_dhcp.sql
nohup time sqlldr username/password@SID CONTROL = load_link_data.ctl LOG = log/ldr_link_data.log = log/ldr_link_data.bad DISCARD log/ldr_link_data.reject ERRORS = BAD = 100000 LIVE = TRUE PARALLEL = TRUE &
time nohup sqlplus username/password@SID @load_link.sql
MV *.log. / log
If the problem I encounter is here for loading data in the link table that I check if DHCP is present in the subntwk table, then continue to another mistake of the newspaper. If CMTS then left create link to another error in the newspaper.
Now that we can here multiple CMTS are associated with unique DHCP.
So here in the table links to create the link, but for the last iteration of the loop, where I get separated by commas separate CMTS table stg_link_data it gives me log as not found CMTS.
for example
DHCP-1-1-1. WNLB-CMTS-01-1,WNLB-CMTS-02-2
Here, I guess to link the dhcp-1-1-1 with balancing-CMTS-01-1 and wnlb-CMTS-02-2
Theses all the data present in the subntwk table, but still it gives me journal wnlb-CMTS-02-2 could not be FOUND, but we have already loaded into the subntwk table.
same thing is happening with all the CMTS table stg_link_data who are in the last (I think here you got what I'm trying to explain).
But when I run the SQL scripts in the SQL Developer separately then it inserts all valid links in the table of links.
Here, she should create 9 lines in the table of links, whereas now he creates only 5 rows.
I use COMMIT in my script also but it only does not help me.
Run these scripts in your machine let me know if you also get the same behavior I get.
and please give me a solution I tried many thing from yesterday, but it's always the same.
It is the table of link log
link is already present: dhcp-1-1-1_TO_wnlb-cmts-01-1
NOT FOUND CMTS for device to create the link: wnlb-CMTS-02-2
link is already present: dhcp-1-1-2_TO_wnlb-cmts-03-3
link is already present: dhcp-1-1-2_TO_wnlb-cmts-04-4
NOT FOUND CMTS for device to create the link: wnlb-CMTS-05-5
NOT FOUND CMTS for device to create the link: wnlb-CMTS-01-1
NOT FOUND CMTS for device to create the link: wnlb-CMTS-05-8
NOT FOUND CMTS for device to create the link: wnlb-CMTS-05-6
NOT FOUND CMTS for device to create the link: wnlb-CMTS-05-0
NOT FOUND CMTS for device to create the link: wnlb-CMTS-03-3
link is already present: dhcp-1-1-5_TO_wnlb-cmts-02-2
link is already present: dhcp-1-1-5_TO_wnlb-cmts-04-4
NOT FOUND CMTS for device to create the link: wnlb-CMTS-05-7
Device not found: wnlb-dhcp-1-13
IF NEED MORE INFORMATION PLEASE LET ME KNOW
Thank you

I felt later in the night that during the loading in the staging table using UNIX machine he created the new line for each line. That is why the last CMTS is not found, for this I use the UNIX 2 BACK conversion and it starts to work perfectly.

It was the dos2unix error!

Thank you all for your interest and I may learn new things, as I have almost 10 months of experience in (PLSQL, SQL)

Building xml in oracle without unnecessary tags using sql

I wanted to build XML in oracle using sql, I found a way to construction using sql functions after a little research, I am completely unaware of any XML. My query is

SELECT XMLELEMENT("orderwave", XMLAGG(XMLELEMENT("order_header", -- XMLATTRIBUTES(t2.l_name AS "order_number"), XMLFOREST( nvl(t2.l_name,' ') as "order_number", ( SELECT XMLAGG(XMLELEMENT("order_line", XMLFOREST( nvl(t1.l_name,' ') AS "label_type", nvl(t1.l_num,0) AS "lpn", nvl(t1.l_num,0) AS "sku" ) ) ) FROM test_table t1 WHERE UPPER(t1.record_type)='D' ) AS sap ) ) ) ) AS HEADER FROM test_table t2 WHERE UPPER(t2.record_type) ='H';

My problem is for using xmlforest, I had to use alias name 'sap' in my query to work and to get xml output. If i am using that, I am getting an unwanted tag 'SAP' around my data which I have to later cut it, which is unacceptable. Is there a way I can get rid of this extra 'SAP' tag without having to cut. The output data is

<orderwave> <order_header> <order_number>order1</order_number> <SAP> <order_line> <label_type>test1</label_type> <lpn>1</lpn> <sku>1</sku> </order_line> <order_line> <label_type>test2</label_type> <lpn>2</lpn> <sku>2</sku> </order_line> <order_line> <label_type /> <lpn>0</lpn> <sku>0</sku> </order_line> </SAP> </order_header> <order_header> <order_number>order2</order_number> <SAP> <order_line> <label_type>test1</label_type> <lpn>1</lpn> <sku>1</sku> </order_line> <order_line> <label_type>test2</label_type> <lpn>2</lpn> <sku>2</sku> </order_line> <order_line> <label_type /> <lpn>0</lpn> <sku>0</sku> </order_line> </SAP> </order_header> </orderwave>

Any help is really appreciated and thanks in advance.

			 -- sample data
with test_table
as
(
    select 'H' record_type, 'order1' l_name, 0 l_num from dual
    union all
    select 'H' record_type, 'order2' l_name, 0 l_num from dual
    union all
    select 'D' record_type, 'test1'  l_name, 1 l_num from dual
    union all
    select 'D' record_type, 'test2'  l_name, 2 l_num from dual
)
-- end of sample data
select xmlelement
       (
          "order_wave"
        , xmlagg
          (
            xmlelement
            (
                "order_header"
              , xmlelement("order_number", t1.l_name)
              , xmlagg
                (
                  xmlelement
                  (
                     "order_line"
                   , xmlelement("label_type", t2.l_name)
                   , xmlelement("lpn", t2.l_num)
                   , xmlelement("sku", t2.l_num)
                  )
                )
            )
          )
       ) xml_data
  from test_table t1
 cross
  join test_table t2
 where t1.record_type = 'H'
   and t2.record_type = 'D'
 group
    by t1.l_name;

-- output
/*

        
                order1
                
                        test1
                        1
                        1
                
                
                        test2
                        2
                        2
                
        
        
                order2
                
                        test1
                        1
                        1
                
                
                        test2
                        2
                        2
                
        

*/

 
            
            
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link is already present: dhcp-1-1-2_TO_wnlb-cmts-03-3
link is already present: dhcp-1-1-2_TO_wnlb-cmts-04-4


NOT FOUND CMTS for device to create the link: wnlb-CMTS-05-8
NOT FOUND CMTS for device to create the link: wnlb-CMTS-05-6
NOT FOUND CMTS for device to create the link: wnlb-CMTS-05-0


link is already present: dhcp-1-1-5_TO_wnlb-cmts-02-2
link is already present: dhcp-1-1-5_TO_wnlb-cmts-04-4


Device not found: wnlb-dhcp-1-13