Fetch the records based on number
Hi experts,
I have a req like if user give input as 5..it should fetch 5 records from database.
for example database values are
SERNR MATNR
101 A
102 A
103 A
104 A
105 A
106 A
107 A
If user gives the input as 5 it should fetch 5 records like 101 to 105....Can any body plz help me how to write select query for this..
Thanks in advance,
Veena.
Edited by: s veena on Jan 18, 2011 5:52 AM
Hi Veena,
You can use UPTO in your select query. For example
SELECT MATNR FROM MARA INTO TABLE IT_MATNR UPTO P_NUMBER ROWS.
"Here P_NUMBER is the Selection Screen Parameter
It will fetch records based on the number in the parameter.
Thanks & Regards,
Faheem.
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Hi,
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Whenever a client visit the office a record will be created for him. The company policy is to maintain 10 years of data on the transaction table but the table holds record count of 3 Million records per year.
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Cascade Flg vahrchar2(1)
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Code 1:
SELECT au_subtyp1.au_id_k,
au_subtyp1.pgm_struct_id_k
FROM au_subtyp au_subtyp1
WHERE au_subtyp1.create_ts =
(SELECT MAX (au_subtyp2.create_ts)
FROM au_subtyp au_subtyp2
WHERE au_subtyp2.au_id_k =
au_subtyp1.au_id_k
AND au_subtyp2.create_ts <
TO_DATE ('2013-01-01',
'YYYY-MM-DD'
AND au_subtyp2.eff_dte =
(SELECT MAX
(au_subtyp3.eff_dte
FROM au_subtyp au_subtyp3
WHERE au_subtyp3.au_id_k =
au_subtyp2.au_id_k
AND au_subtyp3.create_ts <
TO_DATE
('2013-01-01',
'YYYY-MM-DD'
AND au_subtyp3.eff_dte < =
TO_DATE
('2012-12-31',
'YYYY-MM-DD'
AND au_subtyp1.exists_flg = 'Y'
Explain Plan
Plan hash value: 2534321861
| Id | Operation | Name | Rows | Bytes |TempSpc| Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 1 | 91 | | 33265 (2)| 00:06:40 |
|* 1 | FILTER | | | | | | |
| 2 | HASH GROUP BY | | 1 | 91 | | 33265 (2)| 00:06:40 |
|* 3 | HASH JOIN | | 1404K| 121M| 19M| 33178 (1)| 00:06:39 |
|* 4 | HASH JOIN | | 307K| 16M| 8712K| 23708 (1)| 00:04:45 |
| 5 | VIEW | VW_SQ_1 | 307K| 5104K| | 13493 (1)| 00:02:42 |
| 6 | HASH GROUP BY | | 307K| 13M| 191M| 13493 (1)| 00:02:42 |
|* 7 | INDEX FULL SCAN | AUSU_PK | 2809K| 125M| | 13493 (1)| 00:02:42 |
|* 8 | INDEX FAST FULL SCAN| AUSU_PK | 2809K| 104M| | 2977 (2)| 00:00:36 |
|* 9 | TABLE ACCESS FULL | AU_SUBTYP | 1404K| 46M| | 5336 (2)| 00:01:05 |
Predicate Information (identified by operation id):
1 - filter("AU_SUBTYP1"."CREATE_TS"=MAX("AU_SUBTYP2"."CREATE_TS"))
3 - access("AU_SUBTYP2"."AU_ID_K"="AU_SUBTYP1"."AU_ID_K")
4 - access("AU_SUBTYP2"."EFF_DTE"="VW_COL_1" AND "AU_ID_K"="AU_SUBTYP2"."AU_ID_K")
7 - access("AU_SUBTYP3"."EFF_DTE"<=TO_DATE(' 2012-12-31 00:00:00', 'syyyy-mm-dd
hh24:mi:ss') AND "AU_SUBTYP3"."CREATE_TS"<TIMESTAMP' 2013-01-01 00:00:00')
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8 - filter("AU_SUBTYP2"."CREATE_TS"<TIMESTAMP' 2013-01-01 00:00:00')
9 - filter("AU_SUBTYP1"."EXISTS_FLG"='Y')Code 2:
I already raised a thread a week back and Dom suggested the following query, it is cost effective but the performance is same and used the same amount of Temp tablespace
select au_id_k,pgm_struct_id_k from (
SELECT au_id_k
, pgm_struct_id_k
, ROW_NUMBER() OVER (PARTITION BY au_id_k ORDER BY eff_dte DESC, create_ts DESC) rn,
create_ts, eff_dte,exists_flg
FROM au_subtyp
WHERE create_ts < TO_DATE('2013-01-01','YYYY-MM-DD')
AND eff_dte <= TO_DATE('2012-12-31','YYYY-MM-DD')
) d where rn =1 and exists_flg = 'Y'
--Explain Plan
Plan hash value: 4039566059
| Id | Operation | Name | Rows | Bytes |TempSpc| Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 2809K| 168M| | 40034 (1)| 00:08:01 |
|* 1 | VIEW | | 2809K| 168M| | 40034 (1)| 00:08:01 |
|* 2 | WINDOW SORT PUSHED RANK| | 2809K| 133M| 365M| 40034 (1)| 00:08:01 |
|* 3 | TABLE ACCESS FULL | AU_SUBTYP | 2809K| 133M| | 5345 (2)| 00:01:05 |
Predicate Information (identified by operation id):
1 - filter("RN"=1 AND "EXISTS_FLG"='Y')
2 - filter(ROW_NUMBER() OVER ( PARTITION BY "AU_ID_K" ORDER BY
INTERNAL_FUNCTION("EFF_DTE") DESC ,INTERNAL_FUNCTION("CREATE_TS") DESC )<=1)
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CPU used when call started 4740
Cached Commit SCN referenced 21393
DB time 4745
OS Involuntary context switches 467
OS Page reclaims 64253
OS System time used 26
OS User time used 4562
OS Voluntary context switches 16
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bytes received via SQL*Net from client 2487
bytes sent via SQL*Net to client 15830
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enqueue requests 19
enqueue waits 1
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ges messages sent 1
global enqueue gets sync 19
global enqueue releases 19
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index scans kdiixs1 1
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parse count (hard) 1
parse count (total) 2
parse time cpu 1
parse time elapsed 1
physical write IO requests 69
physical write bytes 17522688
physical write total IO requests 69
physical write total bytes 17522688
physical write total multi block requests 69
physical writes 2139
physical writes direct 2139
physical writes direct temporary tablespace 2139
physical writes non checkpoint 2139
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recursive cpu usage 1
session cursor cache hits 1
session logical reads 52162
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user calls 11
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sorts (memory) 2
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user I/O wait time 2
user calls 11
workarea executions - onepass 1
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Edited by: Vijayaraghavan Krishnan on Nov 28, 2012 11:17 AM
Edited by: Vijayaraghavan Krishnan on Nov 28, 2012 11:19 AM -
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ARD works best with which VNC server?
We are a majority Mac base company and have about 20 or so PCs. I control all Macs using ARD 3.1 from a Mac Pro (OS 10.4.8, 1GB RAM). I also control my PCs from my Mac Pro using ARD 3.1 with TightVNC server on the PCs. However, controlling my PCs usi
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I want to define a VLAN 101 within a branch office on one port of a CAT3524XL, that will in turn go to a router in that branch and be trunked back to the main office router (through a frame relay connection). Once in that main router, I want that one