Query: Not getting the desired result. Please help

Question

QL> select * from ecev;
entity_Tag
7
8
9
10
1
2
3
4
5
6
SQL> select * from dg;
DIGP_TAG CEPT_TAG
600 1
700 1
800 1
900 1
100 1
200 1
500 1
75 2
SQL> select * from enow;
ENTITY_CODE ENTITY_TAG DIGP_TAG TARGET_DA CEPT_TAG
EXT 7           600      26-MAY-07 1
EXT 8           700      26-MAY-07 1
EXT 9           800      26-MAY-07 1
EXT 10           800      22-APR-76 1
EXT 1           100      20-OCT-06 1
EXT 2           200      20-OCT-06 1
EXT 3           500      20-OCT-06 1
EXT 4           100      20-OCT-06 1
EXT 5           100      20-OCT-06 1
EXT 6           80      20-OCT-06 1
EXT 1           75           2
SQL> select * from tk;
TK_TAG DIGP_TAG NARRATIVE DUE_DATE CEPT_TAG
35 90 raj 27-MAY-07               1
36 900 kkd 27-MAY-07               1
37 100 kim 28-MAY-07               1
30 100 ram 23-MAY-07               1
31 100 kish 23-MAY-07               1
32 200 mar 23-MAY-07               1
33 100 gy 23-MAY-07               1
34 100 mm 27-MAY-07               1
8 rows selected.
For the following query
1 select
2 d.ecev_tag ecev_tag,
3 a.digp_tag entity_owner ,
4 c.digp_tag task_owner,
5 c.tk_tag task_tag,
6 c.narrative
7 from enow a,
8 entl b,
9 tk c,
10 ecev d
11 where ( a.DIGP_TAG=100 or c.digp_tag=100)
12 and a.entity_tag=b.entity_tag(+)
13 and b.tk_tag=c.tk_tag(+)
14* and a.entity_tag=d.entity_tag
SQL> select * from entl;
TK_TAG ENTITY_TAG
35 5
36 10
30 1
31 1
32 2
33 3
34 3
Result:
I get
entity_tag ENTITY_OWNER TASK_OWNER TASK_TAG NARRATIVE
5 100 90 35 raj          row1
1 100 100 30 ram          row2
1 75 100 30 ram          row3 1 100 100 31 kish          row4
1 75 100 31 kish          row5 3 500 100 33 gy          row6
3 500 100 34 mm          row7
4 100                              row8
Row1: yes, since entity_tag 5 is owned by digp_tag 100 (enow)
Row2: yes, since entity_tag 1 is owned by digp_tag 100 (enow)
Row3: NO, since entity_tag 1 is owned by digp_tag 75, which in turn is in cept_tag 2, since the passed digp_tag is 100 and it just belongs to cept_tag 1 we should not be getting this row.
Row4: Yes, since tk_tag 31 is owned by digp_tag 100 (tk)
Row5 NO, since entity_tag 1 is owned by digp_tag 75, which in turn is in cept_tag 2 since the passed digp_tag is 100 and it just belongs to cept_tag 1 we should not be getting this row.
Row6: Yes, since tk_tag 33 is owned by digp_tag 100 (enow)
Row7: Yes, since tk_tag 34 is owned by digp_tag 100(enow)
Row8: Yes, since entity_tag 4 is owned by 100(enow
I guess i have to join dg.cept_tag and a.cept_tag, but it is not working.....
Can somebody understand this and help...
Thanks
Ram

Answer 1

QL> select * from ecev;
entity_Tag
7
8
9
0
1
2
3
4
5
6
SQL> select * from dg;
DIGP_TAG CEPT_TAG
600 1
700 1
800 1
900 1
100 1
200 1
500 1
75 2
SQL> select * from enow;
ENTITY_CODE ENTITY_TAG DIGP_TAG
TARGET_DA CEPT_TAG
EXT 7
          600      26-MAY-07 1
8           700
     26-MAY-07 1
EXT 9
          800      26-MAY-07 1
10           800
     22-APR-76 1
EXT 1
          100      20-OCT-06 1
2           200
     20-OCT-06 1
EXT 3
          500      20-OCT-06 1
4           100
     20-OCT-06 1
EXT 5
          100      20-OCT-06 1
6           80
     20-OCT-06 1
EXT 1
          75           2
L> select * from tk;
TK_TAG DIGP_TAG NARRATIVE DUE_DATE
CEPT_TAG
35 90 raj 27-MAY-07               1
36 900 kkd 27-MAY-07               1
37 100 kim 28-MAY-07               1
30 100 ram 23-MAY-07               1
31 100 kish 23-MAY-07               1
32 200 mar 23-MAY-07               1
33 100 gy 23-MAY-07               1
34 100 mm 27-MAY-07               1
8 rows selected.
For the following query
1 select
2 d.ecev_tag ecev_tag,
3 a.digp_tag entity_owner ,
4 c.digp_tag task_owner,
5 c.tk_tag task_tag,
6 c.narrative
7 from enow a,
8 entl b,
9 tk c,
10 ecev d
11 where ( a.DIGP_TAG=100 or c.digp_tag=100)
12 and a.entity_tag=b.entity_tag(+)
13 and b.tk_tag=c.tk_tag(+)
14* and a.entity_tag=d.entity_tag
SQL> select * from entl;
TK_TAG ENTITY_TAG
35 5
36 10
30 1
31 1
32 2
33 3
34 3
sult:
I get
entity_tag ENTITY_OWNER TASK_OWNER TASK_TAG
NARRATIVE
5 100 90
35 raj          row1
100 100 30
ram          row2
75 100
30 ram          row31 100 100
31 kish          row4
75 100
31 kish          row5
3 500 100
33 gy          row6
500 100 34
mm          row7
100                              row8
1: yes, since entity_tag 5 is owned by digp_tag 100
(enow)
Row2: yes, since entity_tag 1 is owned by digp_tag
100 (enow)
Row3: NO, since entity_tag 1 is owned by digp_tag 75,
which in turn is in cept_tag 2, since the passed
digp_tag is 100 and it just belongs to cept_tag 1 we
should not be getting this row.
Row4: Yes, since tk_tag 31 is owned by digp_tag 100
(tk)
Row5 NO, since entity_tag 1 is owned by digp_tag 75,
which in turn is in cept_tag 2 since the passed
digp_tag is 100 and it just belongs to cept_tag 1 we
should not be getting this row.
Row6: Yes, since tk_tag 33 is owned by digp_tag 100
(enow)
Row7: Yes, since tk_tag 34 is owned by digp_tag
100(enow)
Row8: Yes, since entity_tag 4 is owned by 100(enow
I guess i have to join dg.cept_tag and a.cept_tag,
but it is not working.....
Can somebody understand this and help...
Thanks
Ram
Result:
I get
entity_tag ENTITY_OWNER TASK_OWNER TASK_TAG NARRATIVE
5 100 90 35 raj     row1
1 100 100 30 ram     row2
1 75 100 30 ram     row3
1 100 100 31 kish     row4
1 75 100 31 kish     row5
3 500 100 33 gy     row6
3 500 100 34 mm     row7
4 100                    row8