Retrieval of Data from More Than Two tables

Hi Experts,
How to get the data from more than two tables.
By using Jdbc, and through only core java.
I mean if i entered some empid at command prompt,
then the complete data (where empid is presented at some tables like L1,L2,L3,L4.) is to be displayed.
Bye
TulsiRam Mohan.
Message #196971

Is creating view on these 4 tables is an option ?
Something like :
Select * from a
union all
select * from b
... and so on ?

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RFC -> XI -> JDBC Scenario Updating Multiple Tables
/people/alessandro.berta/blog/2005/10/04/save-time-with-generalized-jdbc-datatypes
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Hi.
as you know
<SAP_BW_URL CMD='EXPORT' FORMAT='XLS' DATA_PROVIDER='DATAPROVIDER_T1' >
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Hello,
I am giving you the Table structures as per my requirement..
CREATE TABLE TEMP_A
(NAME VARCHAR2(100) primary key);
CREATE TABLE TEMP_B
(STRUCTURE VARCHAR2(10));
CREATE TABLE TEMP_C
( NAME VARCHAR2(100),
STRUCTURE VARCHAR2(10),
VALUE VARCHAR2(10));
Alter table TEMP_C
add constraint fk_name_tempc foreign key(name) references TEMP_A(name)
INSERT INTO TEMP_A VALUES('SMITH');
INSERT INTO TEMP_A VALUES('ALLEN');
INSERT INTO TEMP_A VALUES('WARD');
INSERT INTO TEMP_A VALUES('JONES');
COMMIT;
INSERT INTO TEMP_B VALUES('IN');
INSERT INTO TEMP_B VALUES('IN_MIN');
INSERT INTO TEMP_B VALUES('IN_TYP');
INSERT INTO TEMP_B VALUES('IN_MAX');
INSERT INTO TEMP_B VALUES('DIP');
INSERT INTO TEMP_B VALUES('TIM');
COMMIT;
INSERT INTO TEMP_c VALUES('SMITH','C1','');
INSERT INTO TEMP_c VALUES('SMITH','C2','');
INSERT INTO TEMP_c VALUES('SMITH','D1','');
INSERT INTO TEMP_c VALUES('ALLEN','D2','');
INSERT INTO TEMP_c VALUES('ALLEN','R1','');
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COMMIT;
i want to say is it should insert into table 'TEMP_C' values as :
For 'SMITH' there should be (6 * 3) = 18 records.
( 6 distinct values of TEMP_B for SMITH to be inserted into TEMP_C against 'C1')
( 6 distinct values of TEMP_B for SMITH to be inserted into TEMP_C against 'C2')
( 6 distinct values of TEMP_B for SMITH to be inserted into TEMP_C against 'D1')
For 'ALLEN' there should be (6 * 2) = 12 records.
( 6 distinct values of TEMP_B for ALLEN to be inserted into TEMP_C against 'D2')
( 6 distinct values of TEMP_B for ALLEN to be inserted into TEMP_C against 'R1')
For 'WARD' there should be (6 * 1) = 6 records.
( 6 distinct values of TEMP_B for WARD to be inserted into TEMP_C against 'R2')
Like this if there are records for JONES also , it should also do the same way( Depending on the No. of records present
in the table 'TEMP_C' for 'JONES').
Thanks in advance,
Amkotz

Is this what you are looking for?
SQL> insert into temp_c (name, structure, value)
2 select c.name, c.structure, b.structure
3 from temp_a a, temp_c c, temp_b b
4 where a.name = c.name
5 ;
36 rows created.
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NAME    STRUCTURE VALUE
SMITH   C1
SMITH   C2
SMITH   D1
ALLEN   D2
ALLEN   R1
WARD    R2
SMITH   C1         IN
SMITH   C1         IN_MIN
SMITH   C1         IN_TYP
SMITH   C1         IN_MAX
SMITH   C1         DIP
SMITH   C1         TIM
SMITH   C2         IN
SMITH   C2         IN_MIN
SMITH   C2         IN_TYP
SMITH   C2         IN_MAX
SMITH   C2         DIP
SMITH   C2         TIM
SMITH   D1         IN
SMITH   D1         IN_MIN
SMITH   D1         IN_TYP
SMITH   D1         IN_MAX
SMITH   D1         DIP
SMITH   D1         TIM
ALLEN   D2         IN
ALLEN   D2         IN_MIN
ALLEN   D2         IN_TYP
ALLEN   D2         IN_MAX
ALLEN   D2         DIP
ALLEN   D2         TIM
ALLEN   R1         IN
ALLEN   R1         IN_MIN
ALLEN   R1         IN_TYP
ALLEN   R1         IN_MAX
ALLEN   R1         DIP
ALLEN   R1         TIM
WARD    R2         IN
WARD    R2         IN_MIN
WARD    R2         IN_TYP
WARD    R2         IN_MAX
WARD    R2         DIP
WARD    R2         TIM
42 rows selected.
SQL>

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2 /
BANNER
Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
PL/SQL Release 9.2.0.1.0 - Production
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2 /
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scott@ORA92> select * from tab3
2 /
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2 from tab1 natural join tab2 natural join tab3
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Hi ,
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Get pernr.
Start of selection.
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Retrieval of Data from More Than Two tables

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