Can I do an Insert using two selects from different tables?

Hi,
I have three tables, Course (CID, NAME, TIME)
Teacher (TID, NAME, DESCRIPTION) and OfferedBy(CID, TID) to match a course to a teacher.
After I do an insert on Course, I want to be able to do an insert on OfferedBy using the CID of the course I inserted, and the TID of the teacher that's offering it.
I tried this after doing inserts on Course and Teacher:
INSERT INTO OfferedBy values (SELECT CID FROM Course where courseName = 'name' , SELECT TID FROM Teacher WHERE LastName = 'teacherName').
I get an ORA 00907 error.
What am I doing wrong? Can this actually be done?
Thank you
I

Hi,
How would you relate the TID with CID?
I tried this after doing inserts on Course and Teacher:
INSERT INTO OfferedBy values (SELECT CID FROM Course where courseName >= 'name' , SELECT TID FROM Teacher WHERE LastName = 'teacherName').
I get an ORA 00907 error.You can use the query in this way:
SQL> SELECT ( ( SELECT dummy FROM DUAL), (SELECT DUMMY FROM DUAL)) FROM DUAL;
SELECT ( ( SELECT dummy FROM DUAL), (SELECT DUMMY FROM DUAL)) FROM DUAL
ERROR at line 1:
ORA-00907: missing right parenthesis
SQL> SELECT 'AA',(SELECT dummy FROM DUAL) FROM DUAL;
'A (
AA X
SQL>Regards

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How to do a SELECT from different tables into an internal table?

How to do a SELECT from different tables into an internal table?
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first find the link between mara , marc and zperson , if u have link to 3 tables then u can jus write a join and populate the table u want ( thats final table with all the fields).
u defenitely have alink between mara and marc so join them and retrieve all data into one internal table.
then for all the entries in that internal table retrieve data from zperson into another internal table.
then loop at one internal table
read another internal table where key equals in both the tables.
finally assign fileds if sy-subrc = 0.
gs_finaltable-matnr = gs_table-matnr
etc...
and finally append gs_finaltable to gt_finaltable.
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regards
Edited by: BrightSide on Apr 2, 2009 3:49 PM

Field selection from differant tables

hello all,
         i need to select differant fields from differant tables when i select common fields from both the tables, is it necessary that the common field need to be a primary key in both tables.
thanks in advance
seenu

HI,
    No its not required that the common field be part of the primary key in both tables only thing is you need to prefix the table name if the field names are same. But if you are using a INNER JOIN then there is no need to select both fields since you know the content of both fields will be same if JOIN is ON these fileds as well.
Regards,
Sesh
Message was edited by:
        Seshatalpasai Madala

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Hi there!
Have probably stupid question
Need to insert one record into table with primary key and then insert into other table record with value of primary key field from first record
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You have several possibilities. Most easiest one is listed first :)
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2   v number;
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7 /
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         1
         2
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http://www.gplivna.eu

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Hi Forum,
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Hi Vinod,
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how to do this in one select
4 tables
t3 and t4 are identical in structure but different data
select id from t1
If exists in select id from t2
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else
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create table t1 (id number);
create table t2 (id number);
create table t3 (col1 varchar2(10), col2 varchar2(10));
create table t4 (col1 varchar2(10), col2 varchar2(10));
insert into t1 values(1);
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insert into t2 values(1);
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Said that here are few more ways.
SQL> select id
2       , col1
3       , col2
4    from (
5            select t1.id
6                 , decode(t2.id, null, 'T4', 'T3') table_handle
7              from t1
8              left
9              join t2
10                on t1.id = t2.id
11         ) a
12    join (
13            select 'T3' table_handle, col1, col2 from t3
14            union all
15            select 'T4' table_handle, col1, col2 from t4
16         ) b
17      on a.table_handle = b.table_handle;
        ID COL1       COL2
         1 DATA1      DATA2
         2 DATA3      DATA4
SQL> select id
2       , col1
3       , col2
4    from (
5            select t1.id
6                 , dbms_xmlgen.getxmltype('select col1, col2 from ' || decode(t2.id, null, 'T4', 'T3')) xml_data
7              from t1
8              left
9              join t2
10                on t1.id = t2.id
11         )
12       , xmltable
13         (
14            '/ROWSET/ROW' passing xml_data
15            columns col1 varchar2(10) path 'COL1',
16                    col2 varchar2(10) path 'COL2'
17         );
        ID COL1       COL2
         1 DATA1      DATA2
         2 DATA3      DATA4
SQL>

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LCR.EXECUTE(TRUE);
....

Topas,
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INSERT INTO source_data VALUES (1, TO_DATE('20120303', 'YYYYMMDD'));
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GROUP BY id, TRUNC(count_date, 'MM');Select from that table and you get:
1     2012/03/01
1     2012/03/01
1     2012/03/01The most recent month is repeated for each row.
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INSERT INTO result_data
SELECT id, TRUNC(count_date, 'MM')
FROM source_data
GROUP BY id, TRUNC(count_date, 'MM')
ORDER BY 1, 2;If anyone has encountered this behavior before could you please let me know, I can't see that I am making a mistake as the selects results are correct they should not differ from what is being inserted.
Edited by: user11285442 on May 13, 2013 5:16 AM
Edited by: user11285442 on May 13, 2013 6:15 AM

Hi,
welcome to the forum. I cannot reproduce the same behavior.
Could you please post the SQLPlus output while executing all commands, like it has been done by S10390?
Also post the output of the following command:
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{noformat}{noformat}
SELECT ...
{noformat}{noformat}
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Regards.
Al

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6 sname => 'hr',
7 use_existing_object => TRUE,
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3 gname => 'hr_repg',
4 sname => 'hr',
5 oname => 'complex_mv',
6 type => 'SNAPSHOT',
7 min_communication => TRUE);
8 END;
9 /
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4 oname => 'countries_no_pk',
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8 /
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