How to Find Two Matching Columns in Two Table(to create a JOIN)

Hi Guys!
I just wondering if it is possible to have a SQL query to find two matches columns in two table to create any type of joins?!
Let's say I have two tables CUSTOMER + INVOICE is it possible to run a SQL query to find two join able columns without scanning the tables visually?!
Best Regards,

Well, there's the Data Dictionary you could query for foreign key columns/constraints.
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:661009003696

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How to find diffrence in columns from two tables

Hello,
I have table TABLE1 and TABLE2 with same columns. One of the columns in both tables is ID
Now there are records in table TABLE1 with ID=1
and in table TABLE 2 with ID=-1
Now I want to find if there are any column differing in values in tables TABLE1 for ID=1(for TABLE1) and TABLE2 for ID = -1 (for TABLE2)
What is the best way to find the diffrence?
Thanks in advance.

Hello Subhash,
Why don't you try NOT EXISTS functionality? Its quite performance effective too.
select * from table1
where NOT EXISTS
(select 1 from table 2
where table1.ID = table2.ID)
UNION
select * from table2
where NOT EXISTS
(select 1 from table 2
where table1.ID = table2.ID)You can go for UNION if required, or else you can use them separately.

How to find a matching column in tables

Hello,
I have a need to find out a common column in all tables in database.
For e.g. There is a database column called machine_name
I need to know how many tables in database have this column name. Is there a straightforward way to achieve this without substantial coding?
This is on 9i EE
Thanks,
R

Tubby,
Since op asked for:
I have a need to find out a common column in all tables in database_*.it should be DBA_TAB_COLS. But what is more important, ALL_TAB_COLS holds not just table but also view and materialized view columns, so in general it should be:
select c.owner,
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from dba_tab_cols c,
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Hi all,
How to find the structural difference between two tables .
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - Production
PL/SQL Release 11.1.0.7.0 - Production
CORE 11.1.0.7.0 Production
TNS for 32-bit Windows: Version 11.1.0.7.0 - Production
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Thanks,
P Prakash

you could try something similar to this, for each table pair that you want to compare:
SELECT 'TABLE_A has these columns that are not in TABLE_B', DIFF.*
FROM (
        SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH
          FROM all_tab_columns
         WHERE table_name = 'TABLE_A'
         MINUS
        SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH
          FROM all_tab_columns
         WHERE table_name = 'TABLE_B'
      ) DIFF
UNION
SELECT 'TABLE_B has these columns that are not in TABLE_A', DIFF.*
FROM (
        SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH
          FROM all_tab_columns
         WHERE table_name = 'TABLE_B'
         MINUS
        SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH
          FROM all_tab_columns
         WHERE table_name = 'TABLE_A'
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How can find out LONG column database?

Hi,
in my database ORA-1461 error occured
01461, 00000, "can bind a LONG value only for insert into a LONG column
how can find out LONG column in my database ?

DESCRIBE
The description for tables, views, types and synonyms contains the following information:
each column's name
whether or not null values are allowed (NULL or NOT NULL) for each column
datatype of columns, for example, CHAR, DATE, LONG, LONGRAW, NUMBER, RAW, ROWID, VARCHAR2 (VARCHAR), or XMLType
precision of columns (and scale, if any, for a numeric column)
Extract of the link;
http://download.oracle.com/docs/cd/B19306_01/server.102/b14357/ch12019.htm#SQPUG040
Secondly with reference to the error;
Do not try to insert LONG datatypes into other types of columns.
Hope this helps.
Adith

Sum two different columns from two different tables

Can you select and sum two different columns, from two different tables in the same sql statement?
i.e.
table1
Item----OnHand_Qty
A--------10
A--------15
B--------10
B--------10
C--------20
table2
Item----Trx_Qty
A--------2
A--------4
A--------6
B--------1
B--------1
C--------4
I'm looking for the following results from a query
Item----Sum(Onhand_Qty)---Sum(Trx_Qty)
A--------25

Like this?
SQL> create table table1 (item,onhand_qty)
2 as
3 select 'A', 10 from dual union all
4 select 'A', 15 from dual union all
5 select 'B', 10 from dual union all
6 select 'B', 10 from dual union all
7 select 'C', 20 from dual union all
8 select 'D', 30 from dual
9 /
Tabel is aangemaakt.
SQL> create table table2 (item, trx_qty)
2 as
3 select 'A', 2 from dual union all
4 select 'A', 4 from dual union all
5 select 'A', 6 from dual union all
6 select 'B', 1 from dual union all
7 select 'B', 1 from dual union all
8 select 'C', 4 from dual union all
9 select 'E', 3 from dual
10 /
Tabel is aangemaakt.
SQL> select nvl(t1.item,t2.item) item
2       , t1.sum_onhand_qty
3       , t2.sum_trx_qty
4    from ( select item, sum(onhand_qty) sum_onhand_qty
5             from table1
6            group by item
7         ) t1
8         full outer join
9         ( select item, sum(trx_qty) sum_trx_qty
10             from table2
11            group by item
12         ) t2
13         on (t1.item = t2.item)
14 /
I SUM_ONHAND_QTY SUM_TRX_QTY
A             25          12
B             20           2
C             20           4
E                          3
D             30
5 rijen zijn geselecteerd.Regards,
Rob.

How to find the match code ? what is matchcode : MARA-MTART checktable T134

hi ALL,
How to find the match code ? what is matchcode for MARA-MTART and the checktable is T134.
How to use in select-options using match-code?
Thanks in advance.
Points will be rewarded

Hi
Hi goto SE11 and inside the table u will see search help
click on Entry Search Help. there u see the name of the search help for each field.
Use this Search Help H_T134 in parameters
select-options: s_mtart for mara-mtart matchcode object H_T134.
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Shiva
Message was edited by:
Shivakumar Hosaganiger
Message was edited by:
Shivakumar Hosaganiger

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please let me know how to provide link to one column in the table.
i have two views
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i have to provide link to the emp id column table
when i click emp id column then it will fire other view and display remaining details of emp.
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regards
mmukesh

Hi Mukesh,
You can insert LinkToAction column in table.you can have two cattributes in Valuenode one is of type boolean and other is of type string(empno)
you can create eventhander in that you can fire plug to seconf view where you can displays the emp details
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Naidu

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we are using OBIEE 10g version.Here i need to identify the the reports which are using sales tables.
Table names are given but how to find which report is using these tables.Is there any method to find
or we have to check all reports manually?
Could any one pls suggest me here!
Regards,
sk
Edited by: 912736 on Jun 8, 2012 1:24 PM

Hi SK,
You can run a report from catalog manager that willl give you all answers requests and the subject area columns in use, you can map these back to the sales tables either manually or by linking (vlookup) to an RPD report that you can run from the Admin tool.
The Usage Tracking method is pretty good but you will have to match up the reports using the Logical SQL.
I'd do both methods and cross ref your results to ensure nothing slips the net.
Regards
Alastair

To find no of columns in a table

Hi
Please let me know how could i find number of columns in a table,ie how many fields the table has.
Thank you
Mary

Let us have a guess. "Interview question" i.e. "How do you [insert standard, common task here] without using [insert standard solution here]"
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Also - the same for a dimension would be great.
If no query exists for this, can someone please explain how to find the source column/table for a measure and for a dimension?
Thanks.

DMVs don’t expose the DataSourceView content. AMO is much better suited for object model operations like
this than the DMVs. PowerShell is also sometimes an option, but in this case C# code would be much easier because analyzing the contents of the DataSourceView is much easier using the .Net DataSet class.
Hope this helps.
Reeves
Denver, CO

How to find last inserted record in the table.

Version: Oracle 10g
I have a table called "Manufacture" and 3 columns as mfno,itemname,quantity.
How to find last inserted record in the table "Manufacture".
As i come to know that Rowid is not result perfect results. Please provide your inputs.

user13416294 wrote:
Version: Oracle 10gThat is not a version. That is a product name. A version is 10.1.0.2 or 10.2.0.4, etc.
I have a table called "Manufacture" and 3 columns as mfno,itemname,quantity.
How to find last inserted record in the table "Manufacture".Not possible as your data model does not cater for it. That simple.
If there is a need to determine some order or associate some time to an entity, then that should be part of the data model - and a relationship, or one or more attributes are needed to represent that information. Thus your data model in this case is unable to meet your requirements.
If the requirements are valid, fix the data model. In other words - your question has nothing to do with Oracle and nothing to do with rowid, rowscn or other pseudo columns in Oracle. It is a pure data modeling issue. Nothing more.

How to find total recs in a local table for a particular condition

Hi,
How to find total recs in a local table for a particular condition?
Thanks,
CD

Well, you may want to try this as well, and compare to the LOOP way. Not sure what kind of overhead you may get doing this way. Here ITAB is our main internal table, and ITAB_TMP is a copy of it. Again I think there may be some overhead in doing the copy. Next, delete out all records which are the reverse of your condition. Then whatever is left is the rows that you want to count. Then simply do a LINES operator on the internal table, passing the number of lines to LV_COUNT.
data: itab type table of ttab.
data: itab_tmp type table of ttab.
itab_tmp[] = itab[].
delete table itab_tmp where fld1 <> 'A'.
lv_count = lines( itab_tmp ).
Regards,
Rich Heilman

How we can replace the column in Core Table plz see this msg

Hi,
How we can replace the column in Core Table plz see this msg
Req:
when i push the Insert button the data inserted into the Table
like
Cols Values
FOCD      CUFZ14
PRDCD FU6
Month 082008
AgencyCD AG02
PLAN 123
This is FO_Plan Table....
Requirement:
i need at table show to replace the Prd_CD to Prd_Desc while inserting the above Row....
There is no Prd_Desc in FO Plan Table....
Prd_desc comes from Product Table.
did u get my point...
how to solve.
Thanks
Ram
Edited by: Ram Vungarala on Sep 24, 2008 9:09 AM
Edited by: Ram Vungarala on Sep 24, 2008 9:15 AM

Hi,
I'm not sure if I understood what are you trying to do. But you can modify your table in a backing bean code. JSF page code for a table:
<af:table id="product_search_results_tbl" binding="#{backingBean.boundTable}" ... />
And a backing bean code:
import oracle.adf.view.faces.component.core.data.CoreTable;
public class YourBackingBean {
    private CoreTable boundTable;
    public void setBoundTable(CoreTable boundTable) {
        this.boundTable = boundTable;
    public CoreTable getBoundTable() {
        return boundTable;
   public String insertButtonAction() {
      // Bind your button action to this method and modify here your bound table
     return null;
{code}
Look for column modification methods in a CoreTable class documentation.
Marius

How to find the level of each child table in a relational model?

Earthlings,
I need your help and I know that, 'yes, we can change'. Change this thread to a answered question.
So: How to find the level of each child table in a relational model?
I have a relacional database (9.2), all right?!
     O /* This is a child who makes N references to each of the follow N parent tables (here: three), and so on. */
    /↑\ Fks
   O"O O" <-- level 2 for first table (circle)
/↑\ Fks
"o"o"o" <-- level 1 for middle table (circle)
   ↑ Fk
"º"Tips:
- each circle represents a table;
- red tables no have foreign key
- the table in first line of tree, for example, has level 3, but when 3 becomes N? How much is N? This's the question.
I started thinking about the following:
First I have to know how to take the children:
select distinct child.table_name child
from all_cons_columns father
join all_cons_columns child
using (owner, position)
join (select child.owner,
               child.constraint_name fk,
               child.table_name child,
               child.r_constraint_name pk,
               father.table_name father
          from all_constraints father, all_constraints child
         where child.r_owner = father.owner
           and child.r_constraint_name = father.constraint_name
           and father.constraint_type in ('P', 'U')
           and child.constraint_type = 'R'
           and child.owner = 'OWNER') aux
using (owner)
where child.constraint_name = aux.fk
   and child.table_name = aux.child
   and father.constraint_name = aux.pk
   and father.table_name = aux.father;Thinking...
Let's Share!
My thanks in advance,
Philips
Edited by: BluShadow on 01-Apr-2011 15:08
formatted the code and the hierarchy for readbility

Justin,
Understood.
Nocycle not work in 9.2 and, even that would work, would not be appropriate.
With your help, I decided a much simpler way (but there is still a small problem, <font color=red>IN RED</font>):
-- 1
declare
type udt_roles is table of varchar2(30) index by pls_integer;
cRoles udt_roles;
begin
execute immediate 'create user philips
    identified by philips';
select granted_role bulk collect
    into cRoles
    from user_role_privs
   where username = user;
for i in cRoles.first .. cRoles.count loop
    execute immediate 'grant ' || cRoles(i) || ' to philips';
end loop;
end;
-- 2
create table philips.root1(root1_id number,
                           constraint root1_id_pk primary key(root1_id)
                           enable);
grant all on philips.root1 to philips;
create or replace trigger philips.tgr_root1
   before delete or insert or update on philips.root1
   begin
     null;
   end;
create table philips.root2(root2_id number,
                           constraint root2_id_pk primary key(root2_id)
                           enable);
grant all on philips.root2 to philips;
create or replace trigger philips.tgr_root2
   before delete or insert or update on philips.root2
   begin
     null;
   end;
create table philips.node1(node1_id number,
                           root1_id number,
                           node2_id number,
                           node4_id number,
                           constraint node1_id_pk primary key(node1_id)
                           enable,
                           constraint n1_r1_id_fk foreign key(root1_id)
                           references philips.root1(root1_id) enable,
                           constraint n1_n2_id_fk foreign key(node2_id)
                           references philips.node2(node2_id) enable,
                           constraint n1_n4_id_fk foreign key(node4_id)
                           references philips.node4(node4_id) enable);
grant all on philips.node1 to philips;
create or replace trigger philips.tgr_node1
   before delete or insert or update on philips.node1
   begin
     null;
   end;
create table philips.node2(node2_id number,
                           root1_id number,
                           node3_id number,
                           constraint node2_id_pk primary key(node2_id)
                           enable,
                           constraint n2_r1_id_fk foreign key(root1_id)
                           references philips.root1(root1_id) enable,
                           constraint n2_n3_id_fk foreign key(node3_id)
                           references philips.node3(node3_id) enable);
grant all on philips.node2 to philips;
create or replace trigger philips.tgr_node2
   before delete or insert or update on philips.node2
   begin
     null;
   end;
create table philips.node3(node3_id number,
                           root2_id number,
                           constraint node3_id_pk primary key(node3_id)
                           enable,
                           constraint n3_r2_id_fk foreign key(root2_id)
                           references philips.root2(root2_id) enable);
grant all on philips.node3 to philips;
create or replace trigger philips.tgr_node3
   before delete or insert or update on philips.node3
   begin
     null;
   end;
create table philips.node4(node4_id number,
                           node2_id number,
                           constraint node4_id_pk primary key(node4_id)
                           enable,
                           constraint n4_n2_id_fk foreign key(node2_id)
                           references philips.node2(node2_id) enable);
grant all on philips.node4 to philips;
create or replace trigger philips.tgr_node4
   before delete or insert or update on philips.node4
   begin
     null;
   end;
-- out of the relational model
create table philips.node5(node5_id number,
                           constraint node5_id_pk primary key(node5_id)
                           enable);
grant all on philips.node5 to philips;
create or replace trigger philips.tgr_node5
   before delete or insert or update on philips.node5
   begin
     null;
   end;
-- 3
create table philips.dictionary(table_name varchar2(30));
insert into philips.dictionary values ('ROOT1');
insert into philips.dictionary values ('ROOT2');
insert into philips.dictionary values ('NODE1');
insert into philips.dictionary values ('NODE2');
insert into philips.dictionary values ('NODE3');
insert into philips.dictionary values ('NODE4');
insert into philips.dictionary values ('NODE5');
--4
create or replace package body philips.pck_restore_philips as
procedure sp_select_tables is
    aExportTablesPhilips     utl_file.file_type := null; -- file to write DDL of tables
    aExportReferencesPhilips utl_file.file_type := null; -- file to write DDL of references
    aExportIndexesPhilips    utl_file.file_type := null; -- file to write DDL of indexes
    aExportGrantsPhilips     utl_file.file_type := null; -- file to write DDL of grants
    aExportTriggersPhilips   utl_file.file_type := null; -- file to write DDL of triggers
    sDirectory               varchar2(100) := '/app/oracle/admin/tace/utlfile'; -- directory \\bmduhom01or02
    cTables                  udt_tables; -- collection to store table names for the relational depth
begin
    -- omits all referential constraints:
    dbms_metadata.set_transform_param(dbms_metadata.session_transform, 'REF_CONSTRAINTS', false);
    -- omits segment attributes (physical attributes, storage attributes, tablespace, logging):
    dbms_metadata.set_transform_param(dbms_metadata.session_transform, 'SEGMENT_ATTRIBUTES', false);
    -- append a SQL terminator (; or /) to each DDL statement:
    dbms_metadata.set_transform_param(dbms_metadata.session_transform, 'SQLTERMINATOR', true);
    -- create/open files for export DDL:
    aExportTablesPhilips := utl_file.fopen(sDirectory, 'DDLTablesPhilips.pdc', 'w', 32767);
    aExportReferencesPhilips := utl_file.fopen(sDirectory, 'DDLReferencesPhilips.pdc', 'w', 32767);
    aExportIndexesPhilips := utl_file.fopen(sDirectory, 'DDLIndexesPhilips.pdc', 'w', 32767);
    aExportGrantsPhilips := utl_file.fopen(sDirectory, 'DDLGrantsPhilips.pdc', 'w', 32767);
    aExportTriggersPhilips := utl_file.fopen(sDirectory, 'DDLTriggersPhilips.pdc', 'w', 32767);
    select d.table_name bulk collect
      into cTables -- collection with the names of tables in the schema philips
      from all_tables t, philips.dictionary d
     where owner = 'PHILIPS'
       and t.table_name = d.table_name;
    -- execution
    sp_seeks_ddl(aExportTablesPhilips,
                 aExportReferencesPhilips,
                 aExportIndexesPhilips,
                 aExportGrantsPhilips,
                 aExportTriggersPhilips,
                 cTables);
    -- closes all files
    utl_file.fclose_all;
end sp_select_tables;
procedure sp_seeks_ddl(aExportTablesPhilips     in utl_file.file_type,
                         aExportReferencesPhilips in utl_file.file_type,
                         aExportIndexesPhilips    in utl_file.file_type,
                         aExportGrantsPhilips     in utl_file.file_type,
                         aExportTriggersPhilips   in utl_file.file_type,
                         cTables                  in out nocopy udt_tables) is
    cDDL       clob := null; -- colletion to save DDL
    plIndex    pls_integer := null;
    sTableName varchar(30) := null;
begin
    for i in cTables.first .. cTables.count loop
      plIndex    := i;
      sTableName := cTables(plIndex);
       * Retrieves the DDL and the dependent DDL into cDDL clob       *
      * for the selected table in the collection, and writes to file.*
      begin
        cDDL := dbms_metadata.get_ddl('TABLE', sTableName, 'PHILIPS');
        sp_writes_ddl(aExportTablesPHILIPS, cDDL);
      exception
        when dbms_metadata.object_not_found then
          null;
      end;
      begin
        cDDL := dbms_metadata.get_dependent_ddl('REF_CONSTRAINT', sTableName, 'PHILIPS');
        sp_writes_ddl(aExportReferencesPhilips, cDDL);
      exception
        when dbms_metadata.object_not_found2 then
          null;
      end;
      begin
        cDDL := dbms_metadata.get_dependent_ddl('INDEX', sTableName, 'PHILIPS');
        sp_writes_ddl(aExportIndexesPhilips, cDDL);
      exception
        when dbms_metadata.object_not_found2 then
          null;
      end;
      begin
        cDDL := dbms_metadata.get_dependent_ddl('OBJECT_GRANT', sTableName, 'PHILIPS');
        sp_writes_ddl(aExportGrantsPhilips, cDDL);
      exception
        when dbms_metadata.object_not_found2 then
          null;
      end;
      begin
        cDDL := dbms_metadata.get_dependent_ddl('TRIGGER', sTableName, 'PHILIPS');
        sp_writes_ddl(aExportTriggersPhilips, cDDL);
      exception
        when dbms_metadata.object_not_found2 then
          null;
      end;
    end loop;
end sp_seeks_ddl;
procedure sp_writes_ddl(aExport in utl_file.file_type,
                          cDDL    in out nocopy clob) is
    pLengthDDL pls_integer := length(cDDL);
    plQuotient pls_integer := null;
    plRemainder pls_integer := null;
begin
      * Register variables to control the amount of lines needed   *
     * for each DDL and the remaining characters to the last row. *
    select trunc(pLengthDDL / 32766), mod(pLengthDDL, 32766)
      into plQuotient, plRemainder
      from dual;
      * Join DDL in the export file.                            *
     * ps. 32766 characters + 1 character for each line break. *
    -- if the size of the DDL is greater than or equal to limit the line ...
    if plQuotient >= 1 then
      -- loops for substring (lines of 32766 characters + 1 break character):
      for i in 1 .. plQuotient loop
        utl_file.put_line(aExport, substr(cDDL, 1, 32766));
        -- removes the last line, of clob, recorded in the buffer:
        cDDL := substr(cDDL, 32767, length(cDDL) - 32766);
      end loop;
    end if;
      * If any remains or the number of characters is less than the threshold (quotient = 0), *
     * no need to substring.                                                                 *
    if plRemainder > 0 then
      utl_file.put_line(aExport, cDDL);
    end if;
    -- record DDL buffered in the export file:
    utl_file.fflush(aExport);
end sp_writes_ddl;
begin
-- executes main procedure:
sp_select_tables;
end pck_restore_philips;<font color="red">The problem is that I still have ...
When creating the primary key index is created and this is repeated in the file indexes.
How to avoid?</font>

How to Find Two Matching Columns in Two Table(to create a JOIN)

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