PL/SQL muliple row insert for a single row

Question

I need to insert multiple rows based on a single row record. Below are the table structures and sample data
CREATE TABLE TEST_SAMPLE (NAME VARCHAR2(20), ATTR_1 VARCHAR2(20), ATTR_2 VARCHAR2(20), ATTR_3 VARCHAR2(20),ATTR_4 VARCHAR2(20));
CREATE TABLE TRANSACTION (NAME VARCHAR2(20), ATTR VARCHAR2(20))
insert into TEST_SAMPLE (NAME, ATTR_1, ATTR_2, ATTR_3,ATTR_4) values ('hello','asd','fgh','ert',null);For the above record in table TEST_SAMPLE, three records have to be populated\inserted into table TRANSACTION. In PL/SQL
stored procedure i am inserting records to TRANSACTION when ATTR_1 or ATTR_2 or ATTR_3 or ATTR_4 is not null.
Please help me to find a better way for the above insert to table TRANSACTION?

Answer 1

Thanks for helping me here. For the sample record in table TEST_SAMPLE i mentioned above three records need to be inserted in table TRANSACTION. you have this, or?
CREATE TABLE TEST_SAMPLE (NAME VARCHAR2(20), ATTR_1 VARCHAR2(20), ATTR_2 VARCHAR2(20), ATTR_3 VARCHAR2(20),ATTR_4 VARCHAR2(20));
CREATE TABLE TEST_TRANSACTION (NAME VARCHAR2(20), ATTR VARCHAR2(20));
insert into TEST_SAMPLE (NAME, ATTR_1, ATTR_2, ATTR_3,ATTR_4) values ('record 1','asd','fgh','ert',null);
insert into TEST_SAMPLE (NAME, ATTR_1, ATTR_2, ATTR_3,ATTR_4) values ('record 2',null,'fgh','ert',null);
insert into TEST_SAMPLE (NAME, ATTR_1, ATTR_2, ATTR_3,ATTR_4) values ('record 3','asd',null,'ert',null);
insert into TEST_SAMPLE (NAME, ATTR_1, ATTR_2, ATTR_3,ATTR_4) values ('record 4','asd','fgh',null,null);
insert into TEST_SAMPLE (NAME, ATTR_1, ATTR_2, ATTR_3,ATTR_4) values ('record 5','asd',null,null,null);
insert into TEST_SAMPLE (NAME, ATTR_1, ATTR_2, ATTR_3,ATTR_4) values ('record 6',null,null,null,null);
commit;
insert into TEST_TRANSACTION
select NAME,
        ATTR_1
from TEST_SAMPLE
where ATTR_1 is not null
union all
select NAME,
        ATTR_2
from TEST_SAMPLE
where ATTR_2 is not null
union all
select NAME,
        ATTR_3
from TEST_SAMPLE
where ATTR_3 is not null
union all
select NAME,
        ATTR_4
from TEST_SAMPLE
where ATTR_4 is not null
commit;
select *
from TEST_TRANSACTION
order by 1;
Table created.
Table created.
1 row created.
1 row created.
1 row created.
1 row created.
1 row created.
1 row created.
Commit complete.
10 rows created.
Commit complete.
NAME                 ATTR               
record 1             asd                
record 1             fgh                
record 1             ert                
record 2             fgh                
record 2             ert                
record 3             ert                
record 3             asd                
record 4             fgh                
record 4             asd                
record 5             asd                
10 rows selected.