Update or delete table from XML

Is it possible to update or delete table's row from XML file?
Thanks
Prasanta De

Hi Steve,
Thanks for your reply but I could not find any example from the documentation for update-request or delete-request. I need your help in this regards.
1. I have emp table with many rows and the simple structure like this
DEPTNO NUMBER(2)
EMPNO NUMBER(2)
EMPNAME VARCHAR2(20)
EMPSAL NUMBER(8,2)
Key is defined on deptno and empno
2. I have a xml file like this
<?xml version = '1.0'?>
<ROWSET>
<ROW num="1">
<DEPTNO>1</DEPTNO>
<EMPNO>11</EMPNO>
<EMPSAL>1111.11</EMPSAL>
</ROW>
<ROW num="2">
<DEPTNO>1</DEPTNO>
<EMPNO>12</EMPNO>
<EMPSAL>2222.22</EMPSAL>
</ROW>
<ROW num="3">
<DEPTNO>1</DEPTNO>
<EMPNO>13</EMPNO>
<EMPSAL>3333.33</EMPSAL>
</ROW>
</ROWSET>
3. I want that xsql servlet will read this xml file and update EMPSAL column depending upon the value of DEPTNO and EMPNO from xml file.
Please let me know how I should use update-request in xsql page.
Thanks
Prasanta De
null

Similar Messages

Please help me in inserting data into table from XML message.

Hi Experts,
Please provide a procedure to implement my below requirement.
Since I am new to queue concept.
[code]- <MESSAGES>
- <MESSAGE ID="3026900">
<MSG_ID>3026900</MSG_ID>
<DT_POSTED>6/20/2013 08:15:48</DT_POSTED>
<POSTED_BY>GPD_MSG_EXTRACTOR</POSTED_BY>
<DT_LAST_QUEUED />
- <MSG>
- <WORK_SET TRANSACTION_ID="@TRANS_ID" TRANSACTION_TYPE="Batch" IS_ACID="@IS_ACID">
- <WORK_UNIT GROUP="LEAD_TIME" ACTION="UPDATE" AFFECTED="LEAD_TIME">
- <RECORDSET TABLE_NAME="LEAD_TIME">
- <xml xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema">
- <rs:data>
<z:row business_unit_id="3838" geo="AT" sku="A0814818" dw_maint_flag="False" stock_status_id="0" lead_time="30" est_qty="0" leadtime_lock="False" update_dts="2013-06-12T02:08:30.367" update_uid="DEACTIVATE_SKU_PROCESS" leadtime_dts="2010-05-22T02:21:21.707" leadtime_uid="Lead_Time_Rules" />
<z:row business_unit_id="202" geo="GB" sku="A0814819" dw_maint_flag="False" stock_status_id="0" lead_time="30" est_qty="0" leadtime_lock="False" update_dts="2013-06-12T02:08:30.367" update_uid="DEACTIVATE_SKU_PROCESS" leadtime_dts="2010-05-22T02:21:21.707" leadtime_uid="Lead_Time_Rules" />
<z:row business_unit_id="2828" geo="BE" sku="A0814820" dw_maint_flag="False" stock_status_id="0" lead_time="30" est_qty="0" leadtime_lock="False" update_dts="2013-06-12T02:08:30.367" update_uid="DEACTIVATE_SKU_PROCESS" leadtime_dts="2010-05-22T02:21:21.707" leadtime_uid="Lead_Time_Rules" />
</rs:data>
</xml>
</RECORDSET>
</WORK_UNIT>
- <WORK_UNIT GROUP="LEAD_TIME" ACTION="ADD" AFFECTED="LEAD_TIME">
- <RECORDSET TABLE_NAME="LEAD_TIME">
- <xml xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema">
- <rs:data>
<z:row business_unit_id="202" geo="GB" sku="A0814821" dw_maint_flag="False" stock_status_id="0" lead_time="30" est_qty="0" leadtime_lock="False" update_dts="2013-06-12T02:08:30.367" update_uid="DEACTIVATE_SKU_PROCESS" leadtime_dts="2010-05-22T02:21:21.707" leadtime_uid="Lead_Time_Rules" />
<z:row business_unit_id="2828" geo="BE" sku="A0814822" dw_maint_flag="False" stock_status_id="0" lead_time="30" est_qty="0" leadtime_lock="False" update_dts="2013-06-12T02:08:30.367" update_uid="DEACTIVATE_SKU_PROCESS" leadtime_dts="2010-05-22T02:21:21.707" leadtime_uid="Lead_Time_Rules" />
</rs:data>
</xml>
</RECORDSET>
</WORK_UNIT>
- <WORK_UNIT GROUP="LEAD_TIME" ACTION="DELETE" AFFECTED="LEAD_TIME">
- <RECORDSET TABLE_NAME="LEAD_TIME">
- <xml xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema">
- <rs:data>
<z:row business_unit_id="202" geo="GB" sku="A0814817" dw_maint_flag="False" stock_status_id="0" lead_time="30" est_qty="0" leadtime_lock="False" update_dts="2013-06-12T02:08:30.367" update_uid="DEACTIVATE_SKU_PROCESS" leadtime_dts="2010-05-22T02:21:21.707" leadtime_uid="Lead_Time_Rules" />
<z:row business_unit_id="2828" geo="BE" sku="A0814816" dw_maint_flag="False" stock_status_id="0" lead_time="30" est_qty="0" leadtime_lock="False" update_dts="2013-06-12T02:08:30.367" update_uid="DEACTIVATE_SKU_PROCESS" leadtime_dts="2010-05-22T02:21:21.707" leadtime_uid="Lead_Time_Rules" />
</rs:data>
</xml>
</RECORDSET>
</WORK_UNIT>
</WORK_SET>
</MSG>
</MESSAGE>
</MESSAGES>[/code]
The above XML message is receieved by our oracle queue.Once the message is receieved to our queue.
We have to process the message according to the action(UPDATE ADD DELETE).
From this message we have to process only 3 fields (geo sku lead_time).
These three feilds data should be processed into the SKU_LEAD_TIME table based on the action.
Req1:
IF the action is update then the records should be updated in the "LEAD_TIME_TABLE" table
IF the action is update then the records should be updated in the "LEAD_TIME_TABLE" table
based on the below condition.
[code]UPDATE LEAD_TIME_TABLE SET lead_time= lead time from xml message
WHERE LEAD_TIME_TABLE.SKU=sku from xml message AND LEAD_TIME_TABLE.GEO=geo from xml message;[/code]
Req2:
IF the action is delete then the records should be deleted from the "LEAD_TIME_TABLE" table.
based on the below condition.
[code]DELETE FROM LEAD_TIME_TABLE
WHERE LEAD_TIME_TABLE.SKU=sku from xml message AND LEAD_TIME_TABLE.GEO=geo from xml message;[/code]
Req3:
IF the action is add then the records should be inserted in the "LEAD_TIME_TABLE" and "LEAD_TIME_TABLE_STAGING" table
based on the below conditions.
Req3.1:
If SKU from XML message is available in "SKU_TABLE" table
then the three parameter(GEO SKU LEAD_TIME) values from XML message should be inserted into "LEAD_TIME_TABLE" table.
Req3.2:
If SKU from XML message is not available in "SKU_TABLE" table
then the three parameter(GEO SKU LEAD_TIME) values from XML message should be inserted into "LEAD_TIME_TABLE_STAGING" table.
Req3.3:
Once the new SKU is avilable in "SKU_TABLE" table then the corresponding SKU record should be
inserted into "LEAD_TIME_TABLE" table and that record should be deleted from "LEAD_TIME_TABLE_STAGING" table.
I am posting required scripts and test cases.
[code]CREATE TABLE LEAD_TIME_TABLE(sku VARCHAR2(20),model VARCHAR2(20),class CHAR(1),geo VARCHAR2(6),lead_time NUMBER,created DATE);
CREATE TABLE LEAD_TIME_TABLE_STAGING(sku VARCHAR2(20),geo VARCHAR2(6),lead_time NUMBER);
CREATE TABLE SKU_TABLE(sku VARCHAR2(20),geo VARCHAR2(6),lead_time NUMBER);
INSERT INTO SKU_TABLE VALUES('A0814817','GB',30);
INSERT INTO SKU_TABLE VALUES('A0814818','AT',30);
INSERT INTO SKU_TABLE VALUES('A0814819','GB',30);
INSERT INTO SKU_TABLE VALUES('A0814820','BE',30);
INSERT INTO SKU_TABLE VALUES('A0814821','GB',30);
INSERT INTO LEAD_TIME_TABLE(SKU,GEO,LEAD_TIME) VALUES('A0814817','GB',30);
INSERT INTO LEAD_TIME_TABLE(SKU,GEO,LEAD_TIME) VALUES('A0814818','AT',20);
INSERT INTO LEAD_TIME_TABLE(SKU,GEO,LEAD_TIME) VALUES('A0814819','GB',20);
INSERT INTO LEAD_TIME_TABLE(SKU,GEO,LEAD_TIME) VALUES('A0814820','BE',20);
INSERT INTO LEAD_TIME_TABLE_STAGING VALUES('A0814822','BE',30);[/code]
From the above message.
Test case for req3.1:
The action for SKU numbers "A0814821" "A0814822" are insert.
The SKU number "A0814821" is available in SKU_TABLE table.
so the record should be inserted in the LEAD_TIME_TABLE.
[code]SELECT * FROM LEAD_TIME_TABLE;
SKU GEO LEAD_TIME
A0814817 GB 30
A0814818 AT 20
A0814819 GB 20
A0814820 BE 20
A0814821 GB 30[/code]
Test case for req3.2:
The action for SKU numbers "A0814821" "A0814822" are insert.
The SKU number "A0814822" is not available in SKU_TABLE table.
so the record should be inserted in the LEAD_TIME_TABLE_STAGING.
[code]SELECT * FROM LEAD_TIME_TABLE_STAGING;
SKU GEO LEAD_TIME
A0814822 BE 30[/code]
Test case for req3.3:
The action for SKU numbers "A0814821" "A0814822" are insert.
The SKU number "A0814822" is not available in SKU_TABLE table.
Once I insert SKU number "A0814822" in SKU_TABLE table.
The corresponding records automatically should be inserted in the LEAD_TIME_TABLE
and should be deleted from LEAD_TIME_TABLE_STAGING.
[code]SELECT * FROM LEAD_TIME_TABLE_STAGING; --- should return NULL.
SELECT * FROM LEAD_TIME_TABLE;
SKU GEO LEAD_TIME
A0814817 GB 30
A0814818 AT 20
A0814819 GB 20
A0814820 BE 20
A0814821 GB 30
A0814822 BE 30[/code]
Please help me.
Thanks in advance.

Hi,
I have resolved this issue.
But I have stuck up in implementing some of the scenarios.
Req1:
IF the action is update then the records should be updated in the "LEAD_TIME_TABLE" table
IF the action is update then the records should be updated in the "LEAD_TIME_TABLE" table
based on the below condition.
UPDATE LEAD_TIME_TABLE SET lead_time= lead time from xml message
WHERE LEAD_TIME_TABLE.SKU=sku from xml message AND LEAD_TIME_TABLE.GEO=geo from xml message;
Req3:
IF the action is add then the records should be inserted in the "LEAD_TIME_TABLE" and "LEAD_TIME_TABLE_STAGING" table
based on the below conditions.
Req3.1:
If SKU from XML message is available in "schema_name.SKU_TABLE" table.
The schema_name.SKU_TABLE table should be selected based on "business_unit_id" of XML message and "sid" of MAPPING table WHERE business_unit_id=sid.
then the three parameter(GEO SKU LEAD_TIME) values from XML message and two fields MODEL,CLASS from SKU_TABLE
should be inserted into "LEAD_TIME_TABLE" table.
Req3.2:
If SKU from XML message is not available in "schema_name.SKU_TABLE" table
The schema_name.SKU_TABLE table should be selected based on "business_unit_id" of XML message and "sid" of MAPPING table WHERE business_unit_id=sid.
then the four parameter(BUSINESS_UNIT_ID GEO SKU LEAD_TIME) values from XML message
should be inserted into "LEAD_TIME_TABLE_STAGING" table.
Req3.3:
Once the new SKU is avilable in "schema_name.SKU_TABLE" table then the corresponding SKU record should be
inserted into "LEAD_TIME_TABLE" table and that record should be deleted from "LEAD_TIME_TABLE_STAGING" table.
The schema_name.SKU_TABLE table should be selected based on "business_unit_id" of LEAD_TIME_TABLE_STAGING and "sid" of MAPPING table WHERE business_unit_id=sid.
I am posting required scripts and test cases.
[code]CREATE TABLE LEAD_TIME_TABLE(sku VARCHAR2(20),model VARCHAR2(20),class CHAR(1),geo VARCHAR2(6),lead_time NUMBER,created DATE);
CREATE TABLE LEAD_TIME_TABLE_STAGING(business_unit_id NUMBER,sku VARCHAR2(20),geo VARCHAR2(6),lead_time NUMBER);
CREATE TABLE SKU_TABLE(sku VARCHAR2(20),model VARCHAR2(20),class VARCHAR2(10));
CREATE TABLE mapping(sid NUMBER,schema_name VARCHAR2(20));
INSERT INTO LEAD_TIME_TABLE(SKU,GEO,LEAD_TIME) VALUES('A0814817','GB',30);
INSERT INTO LEAD_TIME_TABLE(SKU,GEO,LEAD_TIME) VALUES('A0814818','AT',20);
INSERT INTO LEAD_TIME_TABLE(SKU,GEO,LEAD_TIME) VALUES('A0814819','GB',20);
INSERT INTO LEAD_TIME_TABLE(SKU,GEO,LEAD_TIME) VALUES('A0814820','BE',20);
INSERT INTO SKU_TABLE VALUES('A0814817','M125','C111');
INSERT INTO SKU_TABLE VALUES('A0814818','M127','A111');
INSERT INTO SKU_TABLE VALUES('A0814819','M126','A111');
INSERT INTO SKU_TABLE VALUES('A0814820','N100','B111');
INSERT INTO SKU_TABLE VALUES('A0814821','P123','B111');
INSERT INTO mapping VALUES(202,'WEDB');
INSERT INTO mapping VALUES(2828,'HR');
INSERT INTO mapping VALUES(3838,'BB');
[/code]
Test case for req3.1:
The action for SKU numbers "A0814821" "A0814822" are insert.
The SKU number "A0814821" is available in schema_name.SKU_TABLE table.
so the record should be inserted in the LEAD_TIME_TABLE.
[code]SELECT * FROM LEAD_TIME_TABLE;
SKU MODEL CLASS GEO LEAD_TIME
A0814817 M125 C111 GB 30
A0814818 M127 A111 AT 20
A0814819 M126 A111 GB 20
A0814820 N100 B111 BE 20
A0814821 P123 B111 GB 30
[/code]
Test case for req3.2:
The action for SKU numbers "A0814821" "A0814822" are insert.
The SKU number "A0814822" is not available in SKU_TABLE table.
so the record should be inserted in the LEAD_TIME_TABLE_STAGING.
[code]SELECT * FROM LEAD_TIME_TABLE_STAGING;
BUSINESS_UNIT_ID SKU GEO LEAD_TIME
2828 A0814822 BE 30[/code]
Test case3.3.3:
The action for SKU numbers "A0814821" "A0814822" are insert.
The SKU number "A0814822" is not available in SKU_TABLE table.
Once I insert SKU number "A0814822" in SKU_TABLE table.
The corresponding records automatically should be inserted in the LEAD_TIME_TABLE
and should be deleted from LEAD_TIME_TABLE_STAGING.
[code]INSERT INTO SKU_TABLE VALUES('A0814822','P123','B111');
SELECT * FROM LEAD_TIME_TABLE_STAGING; --- should return NULL.
SELECT * FROM LEAD_TIME_TABLE;
SKU MODEL CLASS GEO LEAD_TIME
A0814817 M125 C111 GB 30
A0814818 M127 A111 AT 20
A0814819 M126 A111 GB 20
A0814820 N100 B111 BE 20
A0814821 P123 B111 GB 30
A0814822 P123 B111 GB 30[/code]
I am able to implement Req1 and Req3.1 for action UPDATE and INSERT in single merge statement.
However my code is not taking care of all my requirements.
Please find my below code.
[code] CREATE OR REPLACE PACKAGE BODY messg_values_process
 AS
 procedure ProcessInboundLtimeMessage(p_xml_message XmlType)
 is
 begin
 for work_unit in (
 select message.MESSAGE_ID
 , work_unit.ACTION
 , work_unit.LEADTIME_NODES
 from XmlTable(
 '/MESSAGES/MESSAGE'
 passing p_xml_message
 columns
 MESSAGE_NO for ordinality
 , MESSAGE_ID number path '@ID'
 , WORK_UNIT_NODES XmlType path 'MSG/WORK_SET/WORK_UNIT'
 ) message
 , XmlTable(
 XmlNamespaces(
 'urn:schemas-microsoft-com:rowset' as "rs"
 , '#RowsetSchema' as "z"
 '/WORK_UNIT'
 passing message.WORK_UNIT_NODES
 columns
 WORK_UNIT_NO for ordinality
 , ACTION varchar2(10 char) path '@ACTION'
 , LEADTIME_NODES XmlType path 'RECORDSET[@TABLE_NAME="LEAD_TIME"]/xml/rs:data/z:row'
 ) work_unit
 LOOP
 CASE work_unit.ACTION
 WHEN 'ADD' THEN MergeData(work_unit.LEADTIME_NODES);
 WHEN 'UPDATE' THEN MergeData(work_unit.LEADTIME_NODES);
 WHEN 'DELETE' THEN RemoveData(work_unit.LEADTIME_NODES);
 ELSE null;
 END CASE;
 END LOOP;
 END ProcessInboundLtimeMessage;
 procedure MergeData(p_leadtime_nodes XmlType)
 is
 begin
 if (p_leadtime_nodes is not null) then
 merge into LEAD_TIME_TABLE old
 using(
 select *
 from XmlTable(
 XmlNamespaces(
 'urn:schemas-microsoft-com:rowset' as "rs"
 , '#RowsetSchema' as "z"
 '/z:row[not(@business_unit_id=following-sibling::z:row/@business_unit_id)]'
 passing p_leadtime_nodes
 columns
 ITEM_NO for ordinality
 , BUSINESS_UNIT_ID number path '@business_unit_id'
 , GEO varchar2(20 char) path '@geo'
 , SKU varchar2(20 char) path '@sku'
 , LEAD_TIME number path '@lead_time'
 ) NEW
 ON (old.VK_UNIT = new.SKU
 AND old.GEO=new.GEO)
 when matched then update
 set old.LEAD_TIME = new.LEAD_TIME
 when not matched then INSERT
 ( old.VK_UNIT
 , old.MODEL
 , old.CLASS
 , old.GEO
 , old.LEAD_TIME
 , old.COUNTDOWN
 , old.LAST_UPDATED_DATE
 values
 ( new.SKU
 ,'A123'
 ,'A1234'
 , new.GEO
 , new.LEAD_TIME
 , 'N'
 , sysdate
 end if;
 exception
 when others then
 LogDataError(
 'MergeData Procedure Failed #: '||chr(10)||sqlerrm
 , null
 , null
 END MergeData;
END messg_values_process;
/[/code]
Please help me.
Thanks.

What's the exact trigger for when updating/inserting/deleting data from one DB to another DB which contains same info?

Hi guys,
I have created a copy of the AdventureWorks2012 DB called AdventureWorks2012_new on the same instance.
I have created the following trigger below but my friend who is a DBA told me that this is not correct and I should be using the inserted table when creating this trigger. I would like AdventureWorks2012_new DB to be updating/inserting/deleting data from
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ON [AdventureWorks2012].[HumanResources].[Department]
AFTER UPDATE
AS
BEGIN
SET NOCOUNT ON;
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ON [AdventureWorks2012].[HumanResources].[Department]
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BEGIN
SET NOCOUNT ON;
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SELECT DepartmentID, Name, GroupName, ModifiedDate
FROM Inserted;
END
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Setting replication is a bit advanced topic although BOL is clear and you may start here
http://technet.microsoft.com/en-us/library/ms151198.aspx
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If we do some updates to the table at the Database Level, like i deleted some records from the table at the Oracle level. But I'm still able to see the same deleted records from the Data Dictionary(SE11) at the application level.
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best regards
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Attachments:
loadTable.vi ‏28 KB

Hi elyan
As i can see you still have problems with xml files
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Update Columns in Table from Other Table based on Fund Code

Hello All!!
Hope you are doing good!!!
I like to update 5 columns in X Table based on fund_code. The Fund code and 5 column values come from Y Table. Please let me know how to wirte a sql statement to update all values for 5 columns in X Table. Please post me any template code.
Thanks.

I think you are looking for an updatable join,
Please see the syntax below,
UPDATE (SELECT b.col1
          FROM table1 b, table2 E
         WHERE b.col_pk = E.col_pk) T
   SET T.col1 = 0Thanks,
G.

3.2.3 Update To delete photos from photostream

All the software is updated. Aperture 3.2.3. iOS 5.1.
Aperture updates suggests that you can delete photos from photostream and it will delete the same pictures on all devices.
I can delete the pictures, but it doesn't delete the pictures on my other devices.
Any suggestions?

As Clem says... but if that doesn't fix everything, some people have had to go to iCloud.com and clear the Photo Stream (you can only clear the whole thing there). But if you need to do this, first make sure all your Photo Stream images are saved somewhere. You can add them back once you've cleared it.
This ApertureExpert thread describes what I'm talking about.

Need to update column in table from joining the two tables

Hi
i want to update a table by joining two table but i m getting the below error
single row subquery returns more than one value.
i m using following query
update table2
set deposite_date=(select a.deposit_date from table1 a,table2 b
where a.ban=b.ban and (a.deposit_date between b.cy_start_date and b.due_date))
table2
ban due_date cy_start_date deposite_date
100 5/6/2011 22/05/2011
101 7/11/2011 22/05/2011
102 5/25/2011 22/05/2011
table1
ban      deposit_date
100      04/12/2011
100      04/15/2011
102      03/25/2011
101      04/26/2011
101      05/06/2011
101      07/26/2011
can i insert latest deposit_date from table1 which lies between b.cy_start_date and b.due_date
Thanks

Hi,
Welcome to the forum!
876466 wrote:
Hi
i want to update a table by joining two table but i m getting the below error
single row subquery returns more than one value.Exactly!
(   SELECT a.deposit_date
    FROM    ...returns all deposit_dates.
(   SELECT MAX (a.deposit_date)
    FROM    ...would return only the latest one.
Also, you need to correlate the sub-query to the main query, so that it only looks for rows with the same ban.
i m using following query
update table2
set deposite_date=(select a.deposit_date from table1 a,table2 b
where a.ban=b.ban and (a.deposit_date between b.cy_start_date and b.due_date))
table2
ban due_date cy_start_date deposite_date
100 5/6/2011 22/05/2011
101 7/11/2011 22/05/2011
102 5/25/2011 22/05/2011
table1
ban      deposit_date
100      04/12/2011
100      04/15/2011
102      03/25/2011
101      04/26/2011
101      05/06/2011
101      07/26/2011
can i insert latest deposit_date from table1 which lies between b.cy_start_date and b.due_datePerhaps you need something like this:
UPDATE table2     b
SET     deposit_date     =
         (    SELECT MAX (a.deposit_date)
               FROM      table1           a
           WHERE      a.ban          = b.ban
           AND      a.deposit_date BETWEEN b.cy_start_date
                           AND     b.due_date
;Notice that table1 is the only table in the FROM clause of the sub-query, but the sub-query is correlated to table2, so we can reference columns from table2 in the sub-query.
Whenever you have a problem, post CREATE TABLE and INSERT statements for your sample data.
Also post the results you want from that data, and an explanation of how you get those results from that data, with specific examples.
If you're asking about a DML statement, such as UPDATE, the CREATE TABLE and INSERT statements should re-create the tables as they are before the DML, and the results will be the contents of the changed table(s) when everything is finished.
Always say which version of Oracle you're using.
Edited by: Frank Kulash on Aug 1, 2011 1:58 PM

How can I update a customized table from a text document?

Hi,
I am one sample file. The file is an text document. From this .txt file how can I update a customized table in SAP.
How can I Update the fields in the Customized table.
Thanks & Regards,
NManohar.

use the Function module GUI_UPLOAD or WS_UPLOAD and give the path and the file name from where the data has to be uploaded. in table parameter give the iternal table
CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
 filename =
FILETYPE = 'ASC'
HAS_FIELD_SEPARATOR = ' '
HEADER_LENGTH = 0
READ_BY_LINE = 'X'
DAT_MODE = ' '
CODEPAGE = ' '
IGNORE_CERR = ABAP_TRUE
REPLACEMENT = '#'
CHECK_BOM = ' '
VIRUS_SCAN_PROFILE =
NO_AUTH_CHECK = ' '
IMPORTING
FILELENGTH =
HEADER =
tables
 data_tab =
EXCEPTIONS
FILE_OPEN_ERROR = 1
FILE_READ_ERROR = 2
NO_BATCH = 3
GUI_REFUSE_FILETRANSFER = 4
INVALID_TYPE = 5
NO_AUTHORITY = 6
UNKNOWN_ERROR = 7
BAD_DATA_FORMAT = 8
HEADER_NOT_ALLOWED = 9
SEPARATOR_NOT_ALLOWED = 10
HEADER_TOO_LONG = 11
UNKNOWN_DP_ERROR = 12
ACCESS_DENIED = 13
DP_OUT_OF_MEMORY = 14
DISK_FULL = 15
DP_TIMEOUT = 16
OTHERS = 17
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
and finally use insert command to update the database table with the data

Update or delete table from XML

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