Displaying data from multiple table/column
hello ..
anybody can help me how to diplaying data from multiple table/ column in PHP. TQ
Follow the "How do I SELECT, INSERT, UPDATE and DELETE data from PHP?" example from http://wiki.oracle.com/page/PHP+Oracle+FAQ and change the "select ..." query to your favourite join, e.g.
select country_name, region_name from countries, regions where countries.region_id = regions.region_id;
Similar Messages
-
Display Data from multiple models in one table
Hi Experts,
Is it possible to display data from multiple models in one table smltnsly.
I have created a table dynamically.Now I would like to display data from multiple models... If this possible,can anyone give me a lead as to how to do it..
Regards
SUHi
Your Model Nodes be
Model1
---Output_Model1
Attrib1
Attrib2
Model2
---Output_model2
Attrib1
Attrib2
and the value node is
ValueNode
---Attrib1
---Attrib2
Now the coding.
int size;
IPrivate<ViewName>.IOutput_mode1Node node1 = wdContext.nodeOuptut_Model1();
IPrivate<ViewName>.IValueNodeElement elem;
size = node1.size();
for(int i=0; i<size; i++)
elem = wdContext.createValueNodeElement();
elem.setAttrib1( node1.getOutput_Model1ElementAt(i).getAttrib1() );
elem.setAttrib2( node1.getOutput_Model1ElementAt(i).getAttrib2();
wdContext.nodeValueNode().addElement( elem );
similar code for Model Node 2
Regards
Abhimanyu L -
How to extract data from multiple tables (always got errors)
Dear Experts,
I have a simple mapping to extract data from multiple tables as a source (A, B, C) to a target table (X). Below is the picture:
(Sources)....(Target)
A----------------***
B----------------X
C----------------***
Sample Source Data:
Table A:
ColA1
100
200
etc
Table B:
ColB1 ColB2 ColB3
10 Y Ten
20 Y Twenty
30 Y Thirty
etc
Table C:
ColC1 ColC2
11
12
13
etc
Target table (X) should be (just has 1 group INGRP1):
ColA1 ColB1 ColB3 ColC1
100 10 Ten 11
100 10 Ten 12
100 20 Twenty 21
etc
Scenarios:
1. Directly map from A, B, C to X. Unable to map with error message: "API8003: Connection target attribute group is already connected to an incompatible data source. Use a Joiner or Set operator to join the upstream data first before connecting it into this operator."
2. Map each source to Expression Operator and then map from each Expression to target table. I am able to map all attributes successfully but got error when validating it with message: "VLD-1104: Attributes flowing into TEST.EXPR_SRC.INGRP1 have different data sources."
How can I achieve the correct mapping for this purpose?
Use Joiner? I have no key to join the sources
Use Set? The sources have different number of columns
Thanks in advance
PratThanks Nico,
I think it will results data like this:
100 10 Ten 11
200 20 Twenty 12
300 30 Thirty 13
etc
and not the expected:
100 10 Ten 11
100 10 Ten 12
100 20 Twenty 21
etc
But it inspired me to solve this by adding key expression in each source table (B & C) to be joined to table A with this formula:
100+TRUNC(INGRP1.COLB1,-2)
Regards
Prat -
Reading data from multiple tables on Apex
Hi All,
My apologies if the below question has been answered already, just that I could not find the relevant discussion.
I have an interactive report that I would like to use to display data from 2 tables:
Table 1 has about 10 columns but I just want to display 3 of those columns, field1, field2 & field3.
Table 2 has about 5 columns and I only want to display 2 of these columns(Column1 & Column2) on the same report with the above columns from table 1.
I need my report to look like this: field1 field2 field3 Column1 Column2
from table1, table2
I tried the above example and it seems not to be working, may I please get some assistance on how to achieve this.
Thanks in advance.Hi There,
Thanks for your response, I've actually found and answer the question.
I wanted to display data from 2 separate tables(views) that did not have joints, and so hence I could not join them with a join condition.
What I did was to created a dummy field on both tables with similar values and joined the tables using those dummy fields and it works perfect.
Thanks. -
Does ODI has ability to extract data from multiple tables
We have requirement using ODI to extract data from multiple tables depending on certain logic and spool 100+ files.
How efficient ODI is in data extraction from several multiple tables especially when the extraction is dependent on certain business logic conditions ? Also, if anyone used Peoplesoft Application Engine process to extract volumes of data, how efficient Peoplesoft Applicaiton Engine process is as compared to ODI ? I will really appreciate if someone throws some light on this ? Thanks in advance.
RamOne more option
Create two Integration Interfaces and launch them sequentially:
1st Interface : select a IKM ... Append and activate the Distinct rows check box.
2nd Interface : select an IKM ... Incremental Update and set the UPDATE option to No.
Be aware that the update key in this Integration Interface should be composed of all the target columns mapped. Also activate the Distinct rows check box.
Thanks,
Sutirtha
Edited by: Sutirtha Roy on Jul 21, 2009 10:08 AM -
Jdbc getting data from multiple tables
hi guys
how can i get data from multiple tables in MSAccess
please help>
here is code thata i want to do
i have 3 tables in my MSAccess databace
Stud_O which consist name,surname fields
Stud_I consist address,tel
Stud_E department,faculty fields
Based on this I would guess that you are missing a key field. There is no way to connect the tables.
I make the class to insert data to the tables. But
cant do getting datas from this tables.
can anybody help me in making query
and method that displays reultset strings to the
textBoxes
A select ...
select name,surname from Stud_O. Use the executeQuery() method. -
POWL accessing data from multiple tables/objects
Hello,
I have a query on the POWL applications.
If the powl application has to access data from multiple tables/objects, then the solution would be creating a data structure of those tables/objects and referring to that structure in GET_OBJECT_DEF methods.
Is there any other soln? or I am right here?
The queries which are saved for a particular user are transportable? if not, how can they be made transportable?
Thanks & regards,
Ravishyou are right, you can do in get_objects method.
POWL_QUERIES are transportab;e, you can save them in POWL_QUERY transaction.
Best regards,
Rohit
http://wiki.sdn.sap.com/wiki/display/WDABAP/POWL -
Display data from multiple document Libraries in List View Webpart
Hi All,
I want to display data from multiple document libraries into one list view webpart(custom i have created)
I went through the following link http://blogs.msdn.com/b/ramg/archive/2009/04/22/implementing-a-simple-cross-site-collection-list-view-webpart.aspx
but it tells to display only from one document library.
My motive behind displaying data in the list view webpart is to achieve the functionality of Check In ,Check Out and other OOB features.
With Regards,
Jaskaran SinghHi,
As there is no such OOTB feature, a workaround is to create a visual web part to gather items from libraries and implement functionalities like Check in, Check out files
in different libraries.
The links below will provide more details:
Create Visual Web Parts in SharePoint
2010
A demo about displaying list items in visual web part:
http://www.dotnetcodesg.com/Article/UploadFile/2/217/Web%20Part%20in%20SharePoint%20To%20Show%20All%20List%20and%20List%20Items.aspx
About the Check In and Check Out:
How to Check In a document programmatically
SPFile.CheckIn method
and SPFile.CheckOut method
Best regards
Patrick Liang
TechNet Community Support -
Display data from diferent tables
My requirement is to display data from diferent tables supose tables likeVBAK and VBAP.it will allow for all entries concept oops abap?.
how to write code for display data from diferent tables .
method WDDOINIT.
data:
node_sflight type ref to if_wd_context_node,
Itab_sflight type standard table of SFLIGHT.
select * from SFLIGHT into table Itab_sflight.
node_sflight = wd_context->get_child_node( name = 'SFLIGHT_NODE' ).
node_sflight->bind_table( itab_sflight ).
endmethod.
Thanks,
RamaHI,
IS IT CORRECT WAY OF DONIG CODING?
IF I AM WORNG PLEASE SUGEST ME.
method WDDOINIT.
data:
node_sflight type ref to if_wd_context_node,
final type standard table of vbap.
types: begin of t_vbak,
vbeln type vbak-vbeln,
end of t_vbak.
endmethod.
data wa_vbak type t_vbak.
data i_vbak type standard table of t_vbak.
types: begin of t_vbap,
vbeln type vbap-vbeln,
posnr type vbap-posnr,
matnr type vbap-matnr,
end of t_vbap.
data wa_vbap type t_vbap.
data i_vbap type standard table of t_vbap.
select vbeln from vbak into table I_vbak.
select vbeln posnr matnr from vbap into table I_vbap
for all entries in I_vbak
where vbeln = i_vbak-vbeln.
loop at I_vbak.
read table i_vbap with key vbeln = I_vbak-vbeln.
final-vbeln = I_vbap-vbeln.
final-posnr = I_vbap-posnr .
final-matnr = I_vbap-matnr .
append final.
clear final.
endloop.
node_sflight = wd_context->get_child_node( name = 'NODE_VBAP' ).
node_sflight->bind_table( final ).
endmethod.
Thanks,
rama -
Generic datasource by function module to fetch data from multiple tables?
I'm writing a function module to fetch price, for generic datasource.
At first, extract test is OK. But InfoPackage never stop when loading data to PSA in BW.
And I find the example codes:
OPEN CURSOR WITH HOLD S_CURSOR FOR
SELECT (S_S_IF-T_FIELDS) FROM SFLIGHT
WHERE CARRID IN L_R_CARRID AND
CONNID IN L_R_CONNID.
ENDIF. "First data package ?
* Fetch records into interface table.
* named E_T_'Name of extract structure'.
FETCH NEXT CURSOR S_CURSOR
APPENDING CORRESPONDING FIELDS
OF TABLE E_T_DATA
PACKAGE SIZE S_S_IF-MAXSIZE.
IF SY-SUBRC <> 0.
CLOSE CURSOR S_CURSOR.
RAISE NO_MORE_DATA.
ENDIF.
S_COUNTER_DATAPAKID = S_COUNTER_DATAPAKID + 1.
ENDIF.
There using Cursor to fetch data package by package, and raise exception NO_MORE_DATA to stop the loading process.
Now I fetch data from multiple tables, I don't think I can use Cursor.
Then How can I handle this?
Thanks a lot.Thanks
IF IT_999[] IS INITIAL.
SELECT A~KNUMH A~MATNR A~KSCHL VKORG VTWEG A~DATBI A~DATAB KBETR KMEIN KPEIN C~MTART APPENDING CORRESPONDING FIELDS OF
TABLE TP_DATA
FROM A999 AS A
INNER JOIN KONP AS B
ON A~KNUMH = B~KNUMH
INNER JOIN MARA AS C
ON A~MATNR = C~MATNR
* FOR ALL ENTRIES IN IT_999
WHERE
* A~KNUMH = IT_999-KNUMH AND
( ( A~KSCHL = 'ZPRC' AND VKORG = 'Z000' AND VTWEG = 'Z1' ) OR
( A~KSCHL = 'ZPRD' AND VKORG = 'A000' AND VTWEG = 'Y3' ) ) AND
* A~DATBI >= SY-DATUM AND
LOEVM_KO = ''.
SELECT A~KNUMH A~MATNR A~KSCHL VKORG VTWEG A~DATBI A~DATAB KBETR AS KHETR KMEIN KPEIN C~MTART APPENDING CORRESPONDING FIELDS OF
TABLE TP_DATA
FROM A999 AS A
INNER JOIN KONP AS B
ON A~KNUMH = B~KNUMH
INNER JOIN MARA AS C
ON A~MATNR = C~MATNR
* FOR ALL ENTRIES IN IT_999
WHERE
* A~KNUMH = IT_999-KNUMH AND
A~KSCHL = 'ZPR3' AND A~VKORG = 'I000' AND
* DATBI >= SY-DATUM AND
LOEVM_KO = ''.
ENDIF.
IF IT_997[] IS INITIAL.
SELECT A~KNUMH A~MATNR A~KSCHL VTWEG A~DATBI A~DATAB KBETR AS KHETR KMEIN KPEIN C~MTART APPENDING CORRESPONDING FIELDS OF
TABLE TP_DATA
FROM A997 AS A
INNER JOIN KONP AS B
ON A~KNUMH = B~KNUMH
INNER JOIN MARA AS C
ON A~MATNR = C~MATNR
* FOR ALL ENTRIES IN IT_997
WHERE
* A~KNUMH = IT_997-KNUMH AND
A~KSCHL = 'ZPRA' AND VTWEG = 'Y1' AND
* DATBI >= SY-DATUM AND
LOEVM_KO = ''.
ENDIF.
IF IT_996[] IS INITIAL.
SELECT A~KNUMH A~MATNR A~KSCHL A~DATBI A~DATAB KBETR AS KHETR KMEIN KPEIN C~MTART APPENDING CORRESPONDING FIELDS OF
TABLE TP_DATA
FROM A996 AS A
INNER JOIN KONP AS B
ON A~KNUMH = B~KNUMH
INNER JOIN MARA AS C
ON A~MATNR = C~MATNR
* FOR ALL ENTRIES IN IT_996
WHERE
* A~KNUMH = IT_996-KNUMH AND
A~KSCHL = 'ZPRB' AND
* DATBI >= SY-DATUM AND
LOEVM_KO = ''.
ENDIF.
SELECT MATNR "u7269u6599u53F7u7801
MEINH "u4ED3u50A8u5355u4F4Du7684u5907u7528u8BA1u91CFu5355u4F4D
UMREZ "u57FAu672Cu8BA1u91CFu5355u4F4Du8F6Cu6362u5206u5B50
UMREN "u8F6Cu6362u4E3Au57FAu672Cu8BA1u91CFu5355u4F4Du7684u5206u6BCD
FROM MARM
INTO CORRESPONDING FIELDS OF TABLE IT_MARM
FOR ALL ENTRIES IN TP_DATA
WHERE MATNR = TP_DATA-MATNR AND MEINH = TP_DATA-KMEIN.
LOOP AT TP_DATA.
IF TP_DATA-KPEIN NE 0.
TP_DATA-KBETR = TP_DATA-KBETR / TP_DATA-KPEIN.
TP_DATA-KHETR = TP_DATA-KHETR / TP_DATA-KPEIN.
ENDIF.
IF TP_DATA-KSCHL = 'ZPRA'.
* TP_DATA-MEINH = 'ZI'.
* TP_DATA-KSCHL = 'B4'.
IF TP_DATA-KMEIN = 'ZI'.
TP_DATA-KBETR = TP_DATA-KHETR / '1.17'.
ELSE.
READ TABLE IT_MARM INTO WA_MARM1 WITH KEY MATNR = TP_DATA-MATNR MEINH = TP_DATA-KMEIN.
* READ TABLE IT_MARM INTO WA_MARM2 WITH KEY MATNR = TP_DATA-MATNR MEINH = 'CT'.
TP_DATA-KHETR = TP_DATA-KHETR * WA_MARM1-UMREN / WA_MARM1-UMREZ.
* * WA_MARM2-UMREZ / WA_MARM2-UMREN.
TP_DATA-KBETR = TP_DATA-KHETR / '1.17'.
ENDIF.
ELSEIF TP_DATA-KSCHL = 'ZPRB'.
* TP_DATA-KSCHL = 'L0'.
* TP_DATA-MEINH = 'ZI'.
IF TP_DATA-KMEIN = 'ZI'.
TP_DATA-KBETR = TP_DATA-KHETR / '1.17'.
ELSE.
READ TABLE IT_MARM INTO WA_MARM1 WITH KEY MATNR = TP_DATA-MATNR MEINH = TP_DATA-KMEIN.
* READ TABLE IT_MARM INTO WA_MARM2 WITH KEY MATNR = TP_DATA-MATNR MEINH = 'BAG'.
TP_DATA-KHETR = TP_DATA-KHETR * WA_MARM1-UMREN / WA_MARM1-UMREZ.
* * WA_MARM2-UMREZ / WA_MARM2-UMREN.
TP_DATA-KBETR = TP_DATA-KHETR / '1.17'.
ENDIF.
ELSEIF TP_DATA-KSCHL = 'ZPRC' OR TP_DATA-KSCHL = 'ZPRD'.
* TP_DATA-MEINH = 'ZI'.
IF TP_DATA-KMEIN = 'ZI'.
TP_DATA-KHETR = TP_DATA-KBETR * '1.17'.
ELSE.
READ TABLE IT_MARM INTO WA_MARM1 WITH KEY MATNR = TP_DATA-MATNR MEINH = TP_DATA-KMEIN.
* READ TABLE IT_MARM INTO WA_MARM2 WITH KEY MATNR = TP_DATA-MATNR MEINH = 'WZI'.
TP_DATA-KBETR = TP_DATA-KBETR * WA_MARM1-UMREN / WA_MARM1-UMREZ.
* * WA_MARM2-UMREZ / WA_MARM2-UMREN.
TP_DATA-KHETR = TP_DATA-KBETR * '1.17'.
ENDIF.
ELSEIF TP_DATA-KSCHL = 'ZPR3'.
* TP_DATA-KSCHL = 'B2'.
IF TP_DATA-KMEIN = 'ZI'.
TP_DATA-KBETR = TP_DATA-KHETR / '1.17'.
ELSE.
READ TABLE IT_MARM INTO WA_MARM1 WITH KEY MATNR = TP_DATA-MATNR MEINH = TP_DATA-KMEIN.
* READ TABLE IT_MARM INTO WA_MARM2 WITH KEY MATNR = TP_DATA-MATNR MEINH = 'BAG'.
TP_DATA-KHETR = TP_DATA-KHETR * WA_MARM1-UMREN / WA_MARM1-UMREZ.
* * WA_MARM2-UMREZ / WA_MARM2-UMREN.
TP_DATA-KBETR = TP_DATA-KHETR / '1.17'.
ENDIF.
ENDIF.
TP_DATA-MEINH = '01'.
MODIFY TP_DATA.
E_T_DATA-MATNR = TP_DATA-MATNR.
E_T_DATA-KSCHL = TP_DATA-KSCHL.
E_T_DATA-KHETR = TP_DATA-KHETR.
E_T_DATA-KBETR = TP_DATA-KBETR.
E_T_DATA-KMEIN = TP_DATA-KMEIN.
E_T_DATA-DATAB = TP_DATA-DATAB.
E_T_DATA-DATBI = TP_DATA-DATBI.
APPEND E_T_DATA.
CLEAR WA_MARM1.
CLEAR WA_MARM2.
ENDLOOP.
Edited by: Shen Peng on Oct 20, 2010 10:09 AM -
Move data from multiple Tables to a Single Table & Convert the list to ALV.
Hi,
My aim is to get the list of Materials with their descriptions, with MRP Controller, with Unrestriced Qty. & the Reorder Qty. So, I have to fetch the data from different tables. But finally I am not able to copy or move the fetched data from multiple tables into the single final table.
Also tell me how to convert this list into ALV.
Below is the program code.
*& Report Y_REORDER_REPORT
REPORT Y_REORDER_REPORT.
tables : marc,makt, mard.
DATA: Begin of i_final occurs 0,
matnr type marc-matnr,
maktx type makt-maktx,
DISPO type marc-DISPO,
MINBE type marc-MINBE,
LABST type mard-LABST,
end of i_final.
DATA: Begin of i_marc occurs 0,
matnr type marc-matnr,
DISPO type marc-DISPO,
MINBE type marc-MINBE,
end of i_marc.
DATA: Begin of i_makt occurs 0,
matnr type makt-matnr,
maktx type makt-maktx,
end of i_makt.
DATA: Begin of i_mard occurs 0,
matnr type mard-matnr,
LABST type mard-LABST,
LGORT TYPE MARD-LGORT,
end of i_mard.
SELECT matnr
dispo
minbe from marc
into corresponding fields of table i_marc
where dispo EQ 'STR'.
SORT I_MARC by MATNR.
WRITE: /10 'Material',
75 'MRP',
80 'Reorder Qty.'.
LOOP at i_marc.
Write: /10 i_marc-matnr,
75 i_marc-dispo,
80 i_marc-minbe.
ENDLOOP.
write: /.
SELECT matnr
MAKTX from makt
into corresponding fields of table i_makt
for all entries in i_marc
where matnr = i_marc-matnr.
LOOP at i_makt.
Write: /10 i_makt-matnr,
30 i_makt-maktx.
ENDLOOP.
SELECT matnr
LGORT
LABST from mard
into corresponding fields of table i_mard
for all entries in i_marc
where matnr = i_marc-matnr.
LOOP at i_mard.
Write: /10 i_mard-matnr,
30 I_MARD-LGORT,
40 i_mard-labst.
ENDLOOP.
move i_mard-matnr to i_final-matnr.
move i_marc-dispo to i_final-dispo.
move i_marc-minbe to i_final-minbe.
move i_makt-maktx to i_final-maktx.
move i_mard-labst to i_final-labst.
WRITE: /10 'Material',
30 'Material Desc.',
75 'MRP',
80 'Reorder Qty.',
105 'Current Stock'.
LOOP at i_final.
Write: /10 i_final-matnr,
30 i_final-maktx,
75 i_final-dispo,
80 i_final-minbe,
105 i_final-labst.
ENDLOOP.
*LOOP at i_mard.
*Write: /10 i_mard-matnr,
30 i_makt-maktx,
75 i_marc-dispo,
80 i_marc-minbe,
105 i_mard-labst.
*ENDLOOP.
Regards,
VishalChange like this,
SELECT matnr
lgort
labst FROM mard
INTO CORRESPONDING FIELDS OF TABLE i_mard
FOR ALL ENTRIES IN i_marc
WHERE matnr = i_marc-matnr.
LOOP AT i_mard.
WRITE: /10 i_mard-matnr,
30 i_mard-lgort,
40 i_mard-labst.
ENDLOOP.
LOOP AT i_marc.
READ TABLE i_mard WITH KEY matnr = i_marc-matnr.
READ TABLE i_makt WITH KEY matnr = i_marc-matnr.
MOVE i_mard-matnr TO i_final-matnr.
MOVE i_marc-dispo TO i_final-dispo.
MOVE i_marc-minbe TO i_final-minbe.
MOVE i_makt-maktx TO i_final-maktx.
MOVE i_mard-labst TO i_final-labst.
APPEND i_final.
ENDLOOP.
WRITE: /10 'Material',
30 'Material Desc.',
75 'MRP',
80 'Reorder Qty.',
105 'Current Stock'. -
How do I display data from Multiple Queries in a spreadsheet?
I am running Oracle forms 10g as a kicker to export a report (rdf 10.1.2.0.2) to PDF or Excel Spreadsheet - User's choice.
Doesn't matter if I have desformat = SPREADSHEET, DELIMITEDDATA, or DELIMITED; I still get only the first query displayed when I run in spreadsheet format.
How do I display data from Multiple Queries in a spreadsheet? Is this possible?
Thanks in advance!Hi adam,
did you search the forum? You will find a lot of threads handling the problem of Excel file access.
In short: you need to use ActiveX (the RGT also uses ActiveX under the hood)!
Best regards,
GerdW
CLAD, using 2009SP1 + LV2011SP1 + LV2014SP1 on WinXP+Win7+cRIO
Kudos are welcome -
JDBC-XI-FILE scenario. How to extract data from multiple tables
Hi,
At this moment I didn't have the access for XI system. So here I have some silly question. Could you please clarify the same ??
If I got to extract data from single table using JDBC adapter I can put the below query in communication channel
SELECT *FROM orders WHERE new='true'.
But if I got to extract data from multiple tables, logic to be used should be like as shown below. ( from previous thread------prabhu).
SELECT <Table_2>.EID, <Table_2>.FName, <Table_2>.LName, <Table_1>.REC_DAT, <Table_1>.DESCRP
FROM <Table_1> INNER JOIN <Table_2> on
<Table_1>.CARDNO = <Table_2>.CARD
where REC_DAT = <condition>
union
SELECT <Table_2>.EID, <Table_2>.FName, <Table_2>.LName, <Table_1>.REC_DAT, <Table_1>.DESCRP
FROM <Table_1> INNER JOIN <Table_2> on
<Table_1>.CARDNO = <Table_2>.CARD
where REC_DAT = <condition>
But my query is ........how to put the above entire code in one line. (i.e in Qery place of communication channel ) ??
Thanks
KumarHi Palnati,
You either use a select query with join or a stored procedure which will contain the logic to extract the data from multiple tables. But, the limitation in case of stored procedure is u can hv only one selct query in it.
You write ur actual query provided in the parameter 'Query SQL Statement". u can also wrt a stored procedure in it. Also, u can provide a update statement in it which will update a certain flag so tht u don selct the data again.
Check the following link
<a href="http://help.sap.com/saphelp_nw04/helpdata/en/14/80243b4a66ae0ce10000000a11402f/frameset.htm">http://help.sap.com/saphelp_nw04/helpdata/en/14/80243b4a66ae0ce10000000a11402f/frameset.htm</a>
Regards,
Akshay
Message was edited by:
Akshay Salunke -
Update On data from multiple Tables
How can i update data from multiple tables(Using a Join)
using a single update statement.Hii
Suppose i have following tables
create table emp_mas(empno number primary key,name varchar2(30));
create table emp_grad(empno number primary key,grade varchar2(1));
SQL> select * from emp_grad;
EMPNO G
100 A
101 A
102 B
SQL> select * from emp_mas;
EMPNO NAME
100 GREG
101 THOMAS
102 SAM
I would like to update information of employee 'GREG' Using a single update statement as
UPDATE (SELECT E.EMPNO,E.NAME,G.GRADE FROM EMP_MAS E,EMP_GRAD G WHERE E.EMPNO=G.EMPNO) J
SET J.NAME='GREG THOMAS',J.GRADE='B' WHERE EMPNO=100
Then i am getting Error message like this.
ERROR at line 2:
ORA-01776: cannot modify more than one base table through a join view
How can i achieve the result -
Can a block in Oracle contain rows/data from multiple tables?
Hi during my discussion with one of the DBAs, a point came up i.e. A block shouldn't have rows from multiple tables...
Is that true? I read in one of the OTN thread (i don't exactly remember the thread name) that a block can have data from multiple tables. If it doesn't have, what's the table directory in block signifies?
Please share your views.
Thanks,
CSMCSM.DBA wrote:
Hi,
As per the above link,
Table directory
For a heap-organized table, this directory contains metadata about tables whose rows are stored in this block. Multiple tables can store rows in the same block. (Logical Storage Structures)
And by default Oracle creates heap organized tables only.(heap-organized table: A table in which the data rows are stored in no particular order on disk. By default, CREATE TABLE creates a heap-organized table.) (Glossary)
So I can say a block can contain rows from multiple tables. Isn't it?
CSM
See Logical Storage Structures
Given: A segment is a set of extents allocated for a specific database object, such as a table.
Given: An extent is a set of logically contiguous data blocks
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