UNION ALL and UNION performance issue
Hi All,
I am trying to figure out the data for which only receive transaction has been done and further processing is pending. These transactions include all PO, RMA , ISO etc...
I have to use UNION ALL in this case as for RMA and ISO, details which i want are not able to gather in a single query.
But query is taking a lot of time ...may be around 30..mins in UNION ALL while 6 to 7 mins in UNION.
To get all records I must have to use UNION ALL...
So kindly suggest the solution for this problem
Thanks
Sachin
Query is given below...
SELECT /* + FIRST_ROWS */ DECODE(rsl.SOURCE_DOCUMENT_CODE,'REQ',(SELECT org1.ORGANIZATION_NAME
FROM org_organization_definitions org1
WHERE org1.ORGANIZATION_ID =
rsl.FROM_ORGANIZATION_ID)) Vendor_Name
,rsh.RECEIPT_NUM Receipt_Number
,TO_CHAR(rt3.TRANSACTION_DATE,'Mon-DD-YYYY HH:MM:SS') Receipt_Date_and_Time
,msi.SEGMENT1 Part_Number
,msi.DESCRIPTION Part_Name
,rt3.QUANTITY Quantity
,rt3.UNIT_OF_MEASURE UOM
,NULL ASL_Status
--for ISO no asl flag ASL Flag
,TO_CHAR(TRUNC((((86400*(SYSDATE-rt3.TRANSACTION_DATE))/60)/60)/24))|| ' Days ' || TO_CHAR(TRUNC(((86400*(SYSDATE-rt3.TRANSACTION_DATE))/60)/60)-24*(TRUNC((((86400*(SYSDATE-rt3.TRANSACTION_DATE))/60)/60)/24)))|| ' Hours' Days_and_hours_passed
,DECODE(
NVL(msi.max_minmax_quantity,0) ,
0 , 0 ,
(NVL(msi.max_minmax_quantity,0) -
NVL(inmohqd.onhand,0))
* 100
/ NVL(msi.max_minmax_quantity,0)
) gap_percent
FROM rcv_transactions rt3
,rcv_shipment_headers rsh
,rcv_shipment_lines rsl
,mtl_system_items msi
,org_organization_definitions org
--,MTL_ONHAND_QUANTITIES_DETAIL moqhd
,(SELECT NVL(SUM(primary_transaction_quantity),0) onhand,INVENTORY_ITEM_ID item_id,ORGANIZATION_ID organization_id
FROM mtl_onhand_quantities_detail
WHERE SUBINVENTORY_CODE NOT IN ('Wip_SF','Wip_Int','Reject','Scrap','FG Trading','FG')
GROUP BY INVENTORY_ITEM_ID, ORGANIZATION_ID) inmohqd
WHERE inmohqd.item_id(+) = msi.INVENTORY_ITEM_ID
AND inmohqd.organization_id(+) = msi.ORGANIZATION_ID
--AND inmoqhd.SUBINVENTORY_CODE NOT IN ('Wip_SF','Wip_Int','Reject','Scrap','FG Trading','FG')
AND msi.INVENTORY_ITEM_ID = rsl.ITEM_ID
AND rsh.SHIPMENT_HEADER_ID = rsl.SHIPMENT_HEADER_ID
AND org.ORGANIZATION_ID = rt3.ORGANIZATION_ID
AND msi.ORGANIZATION_ID = rt3.ORGANIZATION_ID
AND rsh.SHIPMENT_HEADER_ID = rt3.SHIPMENT_HEADER_ID
AND rsl.SHIPMENT_HEADER_ID = rt3.SHIPMENT_HEADER_ID
AND rsl.SHIPMENT_LINE_ID = rt3.SHIPMENT_LINE_ID
AND rt3.PO_HEADER_ID IS NULL
AND TRUNC(rt3.TRANSACTION_DATE) <= TRUNC(p_tilldate)
AND rsl.TO_ORGANIZATION_ID = p_organization_id
AND rsh.ORGANIZATION_ID = p_organization_id
AND CONCAT(TRIM(rt3.SHIPMENT_HEADER_ID),TRIM(rt3.SHIPMENT_LINE_ID)) IN
SELECT CONCAT(TRIM(rt1.SHIPMENT_HEADER_ID),TRIM(rt1.SHIPMENT_LINE_ID))
FROM rcv_transactions rt1
WHERE NOT EXISTS(
SELECT 1
FROM rcv_transactions rt2
WHERE rt2.TRANSACTION_TYPE <> 'RECEIVE'
AND rt1.SHIPMENT_HEADER_ID = rt2.SHIPMENT_HEADER_ID
AND rt1.SHIPMENT_LINE_ID = rt2.SHIPMENT_LINE_ID
AND rt2.ORGANIZATION_ID = p_organization_id
UNION
SELECT /* + FIRST_ROWS */ pv.VENDOR_NAME Vendor_Name
,rsh.RECEIPT_NUM Receipt_Number
,TO_CHAR(rt.TRANSACTION_DATE,'Mon-DD-YYYY HH:MM:SS') Receipt_Date_and_Time
,msi.SEGMENT1 Part_Number
,msi.DESCRIPTION Part_Name
,rt.QUANTITY Quantity
,rt.UNIT_OF_MEASURE UOM
--start 001
,NVL((SELECT DISTINCT DECODE (ASL_STATUS_ID,1,'New',2,'Approved','To be checked')
FROM po_approved_supplier_list pasl
WHERE pasl.item_id=rsl.ITEM_ID
AND pasl.VENDOR_ID(+) = pv.VENDOR_ID
AND pasl.VENDOR_SITE_ID(+) = pvs.VENDOR_SITE_ID),'No_data') ASL_Status
--end 001
,TO_CHAR(TRUNC((((86400*(SYSDATE-rt.TRANSACTION_DATE))/60)/60)/24))|| ' Days ' || TO_CHAR(TRUNC(((86400*(SYSDATE-rt.TRANSACTION_DATE))/60)/60)-24*(TRUNC((((86400*(SYSDATE-rt.TRANSACTION_DATE))/60)/60)/24)))|| ' Hours' Days_and_hours_passed ,DECODE(
NVL(msi.max_minmax_quantity,0) ,
0 , 0 ,
(NVL(msi.max_minmax_quantity,0) -
NVL(inmohqd.onhand,0))
* 100
/ NVL(msi.max_minmax_quantity,0)
) gap_percent
FROM rcv_transactions rt
,po_vendors pv
,po_vendor_sites_all pvs
,rcv_shipment_headers rsh
,rcv_shipment_lines rsl
,mtl_system_items msi
,org_organization_definitions org
--,mtl_onhand_quantities_detail moqhd
,(SELECT NVL(SUM(primary_transaction_quantity),0) onhand,INVENTORY_ITEM_ID item_id,ORGANIZATION_ID organization_id
FROM mtl_onhand_quantities_detail
WHERE SUBINVENTORY_CODE NOT IN ('Wip_SF','Wip_Int','Reject','Scrap','FG Trading','FG')
GROUP BY INVENTORY_ITEM_ID, ORGANIZATION_ID) inmohqd
WHERE inmohqd.item_id(+) = msi.INVENTORY_ITEM_ID
AND inmohqd.ORGANIZATION_ID(+) = msi.ORGANIZATION_ID
--AND inmoqhd.SUBINVENTORY_CODE NOT IN ('Wip_SF','Wip_Int','Reject','Scrap','FG Trading','FG')
AND msi.INVENTORY_ITEM_ID = rsl.ITEM_ID
AND rsh.SHIPMENT_HEADER_ID = rsl.SHIPMENT_HEADER_ID
AND pv.VENDOR_ID = pvs.VENDOR_ID
AND org.ORGANIZATION_ID = rt.ORGANIZATION_ID
AND msi.ORGANIZATION_ID = rt.ORGANIZATION_ID
AND pvs.VENDOR_SITE_ID = rt.VENDOR_SITE_ID
AND pv.VENDOR_ID = rt.VENDOR_ID
AND rsh.SHIPMENT_HEADER_ID = rt.SHIPMENT_HEADER_ID
AND rsl.SHIPMENT_HEADER_ID = rt.SHIPMENT_HEADER_ID
AND rsl.SHIPMENT_LINE_ID = rt.SHIPMENT_LINE_ID
AND TRUNC(rt.TRANSACTION_DATE) <= TRUNC(p_tilldate)
AND rsl.TO_ORGANIZATION_ID = p_organization_id
AND CONCAT(TRIM(rt.SHIPMENT_HEADER_ID),TRIM(rt.SHIPMENT_LINE_ID)) IN
SELECT CONCAT(TRIM(rt1.SHIPMENT_HEADER_ID),TRIM(rt1.SHIPMENT_LINE_ID))
FROM RCV_TRANSACTIONS rt1
WHERE rt1.TRANSACTION_TYPE = 'RECEIVE'
AND rt1.DESTINATION_TYPE_CODE = 'RECEIVING'
AND rt1.PO_HEADER_ID IS NOT NULL
AND NOT EXISTS(
SELECT 1
FROM RCV_TRANSACTIONS rt2
WHERE rt2.SHIPMENT_HEADER_ID = rt1.SHIPMENT_HEADER_ID
AND rt2.SHIPMENT_LINE_ID = rt1.SHIPMENT_LINE_ID
AND rt2.TRANSACTION_TYPE <> 'RECEIVE'
)
In this case, for selected columns, all data is same for one of the RMA with more than one line. So UNION will skip one of the records. However, shipment line id are different for both records, so by selecting it in select list is solving the problem and so no need to use UNION ALL. But, anyhow UNION ALL is better than UNION in performance as it does not require to sort. Then why I am facing this problem...
Kindly suggest
Regards,
Sachin
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Can I query with union all and stop it when I get N rows.
For example:
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select 2 from dba_segments where
union all
select 3 from dba_segments where;
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union all
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Edited by: lxiscas on Dec 18, 2012 7:55 AM
Edited by: lxiscas on Dec 18, 2012 7:56 AMYou are already using a function, since you're using TRUNC on invdate and whendate.
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Inconsistent SQL results when using View with UNION-ALL and table function
Can any of you please execute the below scripts and check the output. In the table type variable, I am adding 4 distinct object ids, where as in the result, I get only the row pertaining to last id in the table type variable. Same row is returned 4 times (4= number of values in the table type).
This scenario is occurring in our product with a SQL with exactly same pattern. I could simulate the same issue with the sample script I have provided.
Database version: 11.2.0.3 Enterprise Edition, Single node
Thank you.
CREATE TABLE TEMP_T1 AS SELECT * FROM ALL_OBJECTS;
CREATE TABLE TEMP_T2 AS SELECT * FROM ALL_OBJECTS;
UPDATE TEMP_T2 SET OBJECT_ID = OBJECT_ID * 37;
CREATE UNIQUE INDEX TEMP_T1_U1 ON TEMP_T1(OBJECT_ID);
CREATE UNIQUE INDEX TEMP_T2_U1 ON TEMP_T2(OBJECT_ID);
CREATE OR REPLACE VIEW TEMP_T1T2_V AS
SELECT * FROM TEMP_T1 UNION ALL SELECT * FROM TEMP_T2;
CREATE OR REPLACE TYPE TEMP_OBJ_TYPE AS OBJECT (OBJ_ID NUMBER);
CREATE OR REPLACE TYPE TEMP_OBJ_TAB_TYPE IS TABLE OF TEMP_OBJ_TYPE;
SET SERVEROUTPUT ON;
DECLARE
TYPE TEMP_T1T2_V_ROW_TAB_TYPE IS TABLE OF TEMP_T1T2_V%ROWTYPE;
TEMP_T1T2_V_ROW_TAB TEMP_T1T2_V_ROW_TAB_TYPE;
TEMP_OBJ_TAB TEMP_OBJ_TAB_TYPE := TEMP_OBJ_TAB_TYPE();
PROCEDURE ADD_TO_TEMP_OBJ_TAB(OBJ_ID IN NUMBER) IS
BEGIN
TEMP_OBJ_TAB.EXTEND;
TEMP_OBJ_TAB(TEMP_OBJ_TAB.LAST) := TEMP_OBJ_TYPE(OBJ_ID);
END;
BEGIN
ADD_TO_TEMP_OBJ_TAB(100);
ADD_TO_TEMP_OBJ_TAB(116);
ADD_TO_TEMP_OBJ_TAB(279);
ADD_TO_TEMP_OBJ_TAB(364);
DBMS_OUTPUT.PUT_LINE('=====================');
FOR I IN TEMP_OBJ_TAB.FIRST..TEMP_OBJ_TAB.LAST
LOOP
DBMS_OUTPUT.PUT_LINE('OBJ_ID = '||TEMP_OBJ_TAB(I).OBJ_ID);
END LOOP;
DBMS_OUTPUT.PUT_LINE('---------------------');
SELECT * BULK COLLECT INTO TEMP_T1T2_V_ROW_TAB
FROM TEMP_T1T2_V VW
WHERE ((VW.OBJECT_ID) IN (SELECT OBJ_ID
FROM TABLE(CAST(TEMP_OBJ_TAB AS TEMP_OBJ_TAB_TYPE))));
FOR I IN TEMP_OBJ_TAB.FIRST..TEMP_OBJ_TAB.LAST
LOOP
DBMS_OUTPUT.PUT_LINE('OBJ_ID = '||TEMP_OBJ_TAB(I).OBJ_ID);
END LOOP;
DBMS_OUTPUT.PUT_LINE('---------------------');
IF TEMP_T1T2_V_ROW_TAB.COUNT > 0 THEN
FOR I IN TEMP_T1T2_V_ROW_TAB.FIRST..TEMP_T1T2_V_ROW_TAB.LAST
LOOP
DBMS_OUTPUT.PUT_LINE(TEMP_T1T2_V_ROW_TAB(I).OBJECT_ID||' : '||TEMP_T1T2_V_ROW_TAB(I).OBJECT_NAME);
END LOOP;
ELSE
DBMS_OUTPUT.PUT_LINE('NO ROWS RETURNED!');
END IF;
DBMS_OUTPUT.PUT_LINE('---------------------');
END;
/I can reproduce it:
SQL*Plus: Release 11.2.0.3.0 Production on Tue Oct 30 14:05:39 2012
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Enter user-name: scott
Enter password:
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> select *
2 from v$version
3 /
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for 64-bit Windows: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
SQL> CREATE TABLE TEMP_T1 AS SELECT * FROM ALL_OBJECTS;
Table created.
SQL>
SQL> CREATE TABLE TEMP_T2 AS SELECT * FROM ALL_OBJECTS;
Table created.
SQL>
SQL> UPDATE TEMP_T2 SET OBJECT_ID = OBJECT_ID * 37;
72883 rows updated.
SQL>
SQL> CREATE UNIQUE INDEX TEMP_T1_U1 ON TEMP_T1(OBJECT_ID);
Index created.
SQL>
SQL> CREATE UNIQUE INDEX TEMP_T2_U1 ON TEMP_T2(OBJECT_ID);
Index created.
SQL>
SQL> CREATE OR REPLACE VIEW TEMP_T1T2_V AS
2 SELECT * FROM TEMP_T1 UNION ALL SELECT * FROM TEMP_T2;
View created.
SQL>
SQL> CREATE OR REPLACE TYPE TEMP_OBJ_TYPE AS OBJECT (OBJ_ID NUMBER)
2 /
Type created.
SQL> CREATE OR REPLACE TYPE TEMP_OBJ_TAB_TYPE IS TABLE OF TEMP_OBJ_TYPE
2 /
Type created.
SQL> SET SERVEROUTPUT ON;
SQL>
SQL> DECLARE
2 TYPE TEMP_T1T2_V_ROW_TAB_TYPE IS TABLE OF TEMP_T1T2_V%ROWTYPE;
3 TEMP_T1T2_V_ROW_TAB TEMP_T1T2_V_ROW_TAB_TYPE;
4 TEMP_OBJ_TAB TEMP_OBJ_TAB_TYPE := TEMP_OBJ_TAB_TYPE();
5 PROCEDURE ADD_TO_TEMP_OBJ_TAB(OBJ_ID IN NUMBER) IS
6 BEGIN
7 TEMP_OBJ_TAB.EXTEND;
8 TEMP_OBJ_TAB(TEMP_OBJ_TAB.LAST) := TEMP_OBJ_TYPE(OBJ_ID);
9 END;
10 BEGIN
11 ADD_TO_TEMP_OBJ_TAB(100);
12 ADD_TO_TEMP_OBJ_TAB(116);
13 ADD_TO_TEMP_OBJ_TAB(279);
14 ADD_TO_TEMP_OBJ_TAB(364);
15 DBMS_OUTPUT.PUT_LINE('=====================');
16 FOR I IN TEMP_OBJ_TAB.FIRST..TEMP_OBJ_TAB.LAST
17 LOOP
18 DBMS_OUTPUT.PUT_LINE('OBJ_ID = '||TEMP_OBJ_TAB(I).OBJ_ID);
19 END LOOP;
20 DBMS_OUTPUT.PUT_LINE('---------------------');
21 SELECT * BULK COLLECT INTO TEMP_T1T2_V_ROW_TAB
22 FROM TEMP_T1T2_V VW
23 WHERE ((VW.OBJECT_ID) IN (SELECT OBJ_ID
24 FROM TABLE(CAST(TEMP_OBJ_TAB AS TEMP_OBJ_TAB_TYPE))));
25 FOR I IN TEMP_OBJ_TAB.FIRST..TEMP_OBJ_TAB.LAST
26 LOOP
27 DBMS_OUTPUT.PUT_LINE('OBJ_ID = '||TEMP_OBJ_TAB(I).OBJ_ID);
28 END LOOP;
29 DBMS_OUTPUT.PUT_LINE('---------------------');
30 IF TEMP_T1T2_V_ROW_TAB.COUNT > 0 THEN
31 FOR I IN TEMP_T1T2_V_ROW_TAB.FIRST..TEMP_T1T2_V_ROW_TAB.LAST
32 LOOP
33 DBMS_OUTPUT.PUT_LINE(TEMP_T1T2_V_ROW_TAB(I).OBJECT_ID||' : '||TEMP_T1T2_V_ROW_TAB(I).OBJECT_NAME);
34 END LOOP;
35 ELSE
36 DBMS_OUTPUT.PUT_LINE('NO ROWS RETURNED!');
37 END IF;
38 DBMS_OUTPUT.PUT_LINE('---------------------');
39 END;
40 /
=====================
OBJ_ID = 100
OBJ_ID = 116
OBJ_ID = 279
OBJ_ID = 364
OBJ_ID = 100
OBJ_ID = 116
OBJ_ID = 279
OBJ_ID = 364
364 : I_AUDIT
364 : I_AUDIT
364 : I_AUDIT
364 : I_AUDIT
PL/SQL procedure successfully completed.
SQL> column object_name format a30
SQL> select object_id,
2 object_name
3 from dba_objects
4 where object_id in (100,116,279,364)
5 /
OBJECT_ID OBJECT_NAME
100 ORA$BASE
116 DUAL
279 MAP_OBJECT
364 I_AUDIT
SQL> Works fine in:
=====================
OBJ_ID = 100
OBJ_ID = 116
OBJ_ID = 279
OBJ_ID = 364
OBJ_ID = 100
OBJ_ID = 116
OBJ_ID = 279
OBJ_ID = 364
100 : ORA$BASE
116 : DUAL
364 : SYSTEM_PRIVILEGE_MAP
279 : MAP_OBJECT
PL/SQL procedure successfully completed.
SQL> select object_id,
2 object_name
3 from dba_objects
4 where object_id in (100,116,279,364)
5 /
OBJECT_ID OBJECT_NAME
100 ORA$BASE
116 DUAL
364 SYSTEM_PRIVILEGE_MAP
279 MAP_OBJECT
SQL> select *
2 from v$version
3 /
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
PL/SQL Release 11.2.0.1.0 - Production
CORE 11.2.0.1.0 Production
TNS for 32-bit Windows: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
SQL>SY.
Edited by: Solomon Yakobson on Oct 30, 2012 2:14 PM -
Query using Union All and CTEs is slow
TypePatient
[ednum] int NOT NULL, PK
[BackgroundID] int NOT NULL, FK
[Patient_No] varchar(50) NULL, FK
[Last_Name] varchar(30) NULL,
[First_Name] varchar(30) NULL,
[ADateTime] datetime NULL,
Treat
[ID] int NOT NULL, PK
[Ednum] numeric(10, 0) NOT NULL, FK
[Doctor] char(50) NULL,
[Dr_ID] numeric(10, 0) NULL,
background
[ID] int NOT NULL, PK
[Patient_No] varchar(50) NULL, FK
[Last_Name] char(30) NULL,
[First_Name] char(30) NULL,
[DateofBirth] datetime NULL,
pdiagnose
[ID] int NOT NULL, PK
[Ednum] int NOT NULL, FK
[DSMNo] char(10) NULL,
[DSMNoIndex] char(5) NULL,
substance
[ID] int NOT NULL, PK
[Ednum] int NOT NULL, FK
[Substance] varchar(120) NULL,
DXCAT
[id] int NULL, PK
[dx_description] char(100) NULL,
[dx_code] char(10) NULL,
[dx_category_description] char(100) NULL,
[diagnosis_category_code] char(10) NULL)
Substance
ID
Ednum
Substance
1
100
Alcohol Dependence
4
200
Caffeine Dependence
5
210
Cigarettes
dxcat
id
dx_description
dx_code
dx_category_description
diagnosis_category_code
10
Tipsy
zzz
Alcohol
SA
20
Mellow
ppp
Mary Jane
SA
30
Spacey
fff
LSD
SA
50
Smoker
ggg
Nicotine
SA
pdiagnose
ID
Ednum
DSMNo
Diagnosis
1
100
zzz
Alcohol
2
100
ddd
Caffeine
3
210
ggg
Smoker
4
130
ppp
Mary Jane
TypePatient
ednum
Patient_No
Last_Name
First_Name
ADateTime
100
sssstttt
Wolly
Polly
12/4/2013
130
rrrrqqqq
Jolly
Molly
12/8/2013
200
bbbbcccc
Wop
Doo
12/12/2013
210
vvvvwww
Jazz
Razz
12/14/2013
Treat
ID
Ednum
Doctor
Dr_ID
2500
100
Welby, Marcus
1000
2550
200
Welby, Marcus
1000
3000
210
Welby, Marcus
1000
3050
130
Welby, Marcus
1000
background
ID
Patient_No
Last_Name
First_Name
DateofBirth
2
sssstttt
Wolly
Polly
8/6/1974
3
rrrrqqqq
Jolly
Molly
3/10/1987
5
bbbbcccc
Wop
Doo
8/12/1957
6
vvvvwww
Jazz
Razz
7/16/1995
Desired output:
Staff ID
Doctor
Patient_No
Client Name
Date of Service
Ednum
DX Code
DX Cat
DX Desc
Substance
1000
Welby, Marcus
bbbcccc
Wop, Doo
12/12/2013
200
Caffeine Dependence
1000
Welby, Marcus
rrrqqq
Jolly, Molly
12/8/2013
130
ppp
SA
Mary Jane
1000
Welby, Marcus
sssttt
Wolly, Polly
12/4/2013
100
zzz
SA
Alcohol
1000
Welby, Marcus
sssttt
Wolly, Polly
12/4/2013
100
ddd
SA
LSD
1000
Welby, Marcus
sssttt
Wolly, Polly
12/4/2013
100
Alcohol Dependence
1000
Welby, Marcus
vvvvwww
Jazz, Razz
12/14/2013
210
ggg
SA
Smoker
1000
Welby, Marcus
vvvvwww
Jazz, Razz
12/14/2013
210
Cigarettes
A patient is assigned an ednum. There are two different menus for staff to enter
diagnoses. Each menu stores the entries in a different table. The two tables are substance and pdiagnose. A patient’s diagnosis for a substance abuse can be entered in one table and not the other.
The number of entries for different substances for each patient can vary between the two tables. John Doe might be entered for alcohol and caffeine abuse in the pdiagnosis table and entered only for caffeine abuse in the substance table. They are only
linked by the ednum which has nothing to do with the diagnosis/substance. The substance entered in one table is not linked to the substance entered in the other. A query will not put an entry for alcohol from the pdiagnosis table on the same row as an alcohol
entry from the substance table except by chance. That is the reason for the way the query is written.
The query accepts parameters for a Dr ID and a start and end date. It takes about 7 to 15 seconds to run. Hard coding the dates cuts it down to about a second.
I might be able to select directly from the union all query instead of having it separate. But then I’m not sure about the order by clauses using aliases.
Is there a way to rewrite the query to speed it up?
I did not design the tables or come up with the process of entering diagnoses. It can’t be changed at this time.
Please let me know if you notice any inconsistencies between the DDLs, data, and output. I did a lot of editing.
Thanks for any suggestions.
with cte_dxcat (Dr_ID, Doctor, Patient_No,Last_Name,
First_Name, Adatetime,Ednum,
dx_code,diagnosis_category_code,dx_description,substance,
DateofBirth) as
(Select distinct t.Dr_ID, t.Doctor, TP.Patient_No,TP.Last_Name,
TP.First_Name, TP.Adatetime as 'Date of Service',TP.Ednum,
DXCAT.dx_code,DXCAT.diagnosis_category_code,DXCAT.dx_description,
null as 'substance',BG.DateofBirth
From TypePatient TP
inner join treat t on TP.ednum = t.Ednum
inner join background BG on BG.Patient_No = TP.Patient_No
inner join pdiagnose PD on TP.Ednum = PD.Ednum
inner join Live_Knowledge.dbo.VA_DX_CAT_MAPPING DXCAT on DXCAT.dx_code = PD.DSMNo
Where (TP.Adatetime >= convert(varchar(10), :ST, 121)+ ' 00:00:00.000'
and TP.Adatetime <= convert(varchar(10), :SP, 121)+ ' 23:59:59.000')
and DXCAT.diagnosis_category_code = 'SA'
and t.Dr_ID =:DBLookupComboBox2
cte_substance (Dr_ID, Doctor, Patient_No,Last_Name,
First_Name,Adatetime, Ednum,
dx_code,diagnosis_category_code,dx_description,Substance,DateofBirth) as
(Select distinct t.Dr_ID, t.Doctor, TP.Patient_No,TP.Last_Name,
TP.First_Name, TP.Adatetime as 'Date of Service', TP.Ednum,
null as 'dx_code',null as 'diagnosis_category_code',null as 'dx_description',s.Substance, BG.DateofBirth
From TypePatient TP
inner join treat t on TP.ednum = t.Ednum
inner join background BG on BG.Patient_No = TP.Patient_No
inner join pdiagnose PD on TP.Ednum = PD.Ednum
inner join substance s on TP.Ednum = s.Ednum
Where (TP.Adatetime >= convert(varchar(10), '12/1/2013', 121)+ ' 00:00:00.000'
and TP.Adatetime <= convert(varchar(10), '12/31/2013', 121)+ ' 23:59:59.000')
and t.Dr_ID =:DBLookupComboBox2
cte_all (Dr_ID, Doctor, Patient_No,Last_Name,
First_Name,Adatetime, Ednum,
dx_code,diagnosis_category_code,dx_description,Substance,DateofBirth) as
(select cte_dxcat.Dr_ID as 'Staff ID', cte_dxcat.Doctor as 'Doctor',
cte_dxcat.Patient_No as 'Patient_No',
cte_dxcat.Last_Name as 'Last',cte_dxcat.First_Name as 'First',
cte_dxcat.Adatetime as 'Date of Service',cte_dxcat.Ednum as 'Ednum',
cte_dxcat.dx_code as 'DX Code',cte_dxcat.diagnosis_category_code as 'DX Category Code',
cte_dxcat.dx_description as 'DX Description',
cte_dxcat.substance as 'Substance',cte_dxcat.DateofBirth as 'DOB'
from cte_dxcat
union all
select cte_substance.Dr_ID as 'Staff ID', cte_substance.Doctor as 'Doctor',
cte_substance.Patient_No as 'Patient_No',
cte_substance.Last_Name as 'Last',cte_substance.First_Name as 'First',
cte_substance.Adatetime as 'Date of Service',cte_substance.Ednum as 'Ednum',
cte_substance.dx_code as 'DX Code',cte_substance.diagnosis_category_code as 'DX Category Code',
cte_substance.dx_description as 'DX Description',
cte_substance.substance as 'Substance',cte_substance.DateofBirth as 'DOB'
from cte_substance)
select cte_all.Dr_ID as 'Staff ID', cte_all.Doctor as 'Doctor',
cte_all.Patient_No as 'Patient_No',
(cte_all.Last_Name + ', '+ cte_all.First_Name) as 'Client Name',
cte_all.Adatetime as 'Date of Service',cte_all.Ednum as 'Ednum',
cte_all.dx_code as 'DX Code',cte_all.diagnosis_category_code as 'DX Category Code',
cte_all.dx_description as 'DX Description',
cte_all.substance as 'Substance',
CONVERT(char(10), cte_all.DateofBirth,101) as 'DOB'
from cte_all
order by cte_all.Patient_No,cte_all.AdatetimePlease post real DDL instead of your invented non-language, so that people do not have to guess what the keys, constraints, Declarative Referential Integrity, data types, etc. in your schema are. Learn how to follow ISO-11179 data element naming conventions
and formatting rules. Your rude, non-SQL narrative is so far away from standards I cannot even use you as a bad example in book.
Temporal data should use ISO-8601 formats (we have to re-type the dialect you used!). Code should be in Standard SQL as much as possible and not local dialecT.
This is minimal polite behavior on SQL forums. You posted a total mess! Do you really have patients without names?? You really use a zero to fifty characters for a patient_nbr??? Give me an example. That is insane!
Your disaster has more NULLs than entire major corporate systems. Since you cannot change it, can you quit? I am serious. I have been employed in IT since 1965, and can see a meltdown.
I looked at this and I am not even going to try to help you; it is not worth it. I am sorry for you; you are in an environment where you cannot learn to do any right.
But you are still responsible for the rudeness of not posting DDL.
--CELKO-- Books in Celko Series for Morgan-Kaufmann Publishing: Analytics and OLAP in SQL / Data and Databases: Concepts in Practice Data / Measurements and Standards in SQL SQL for Smarties / SQL Programming Style / SQL Puzzles and Answers / Thinking
in Sets / Trees and Hierarchies in SQL -
Oracle doc inconsistent on materialize view with union all and self joins
First of all, I can't seem to create a materialized view containing self-joins AND union all. Is it possible?
I checked Oracle 9i (my version: PL/SQL Release 9.2.0.4.0 - Production) documentation and I get different answers (or so it seems to me).
First I saw this: "The COMPATIBILITY parameter must be set to 9.0 if the materialized aggregate view has inline views, outer joins, self joins or grouping sets and FAST REFRESH is specified during creation..."
Did you see the part about 'self joins' in there? I did and I was pumped because that seems to say that you CAN have 'self joins' (and my compatibility is 9.2...)
BUT
In the very same document I also found "Oracle does not allow self-joins in materialized join views." (rage)
You can see the document I am speaking of here: http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96520/mv.htm#574889
Whenever I try to create the mview I get the following error. (
In any caseORA-01446 cannot select ROWID from view with DISTINCT, GROUP BY, etc.First of all, I can't seem to create a materialized view containing self-joins AND union all. Is it possible?
I checked Oracle 9i (my version: PL/SQL Release 9.2.0.4.0 - Production) documentation and I get different answers (or so it seems to me).
First I saw this: "The COMPATIBILITY parameter must be set to 9.0 if the materialized aggregate view has inline views, outer joins, self joins or grouping sets and FAST REFRESH is specified during creation..."
Did you see the part about 'self joins' in there? I did and I was pumped because that seems to say that you CAN have 'self joins' (and my compatibility is 9.2...)
BUT
In the very same document I also found "Oracle does not allow self-joins in materialized join views." (rage)
You can see the document I am speaking of here: http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96520/mv.htm#574889
Whenever I try to create the mview I get the following error. (
In any caseORA-01446 cannot select ROWID from view with DISTINCT, GROUP BY, etc. -
Materalized view with union all and fast referesh
I have a one view which is very slow. in this view we are joining many tables and many union all queries.
now I am planing to make materalized view
Tell me how i will created view with fast refresh with union all query.
Pls help its urgent..
Thanks
ReenaRefer to the Replication Manual for the create syntax and exceptions.
-
CAT4900M and NetApp - Performance issue
Hi,
I'm struggling with a performance issue between our two NetApp Fas3170-devices.
The setup is quite simple: Each NetApp is connected via two TenGig interfaces to a CAT4900M. The 4900M's are also connected via two TenGig interfaces. Each pair of connections are bundled into an Layer2-etherchannel, configured as a dot.1q trunk. Mode is set to 'ON' on both the 4900 and the NetApp. According to NetApp documentation, this configuration is supported. Across each etherchannel, the vlans 219 and 220 are allowed. Two partitions are configured on the NetApp's, one being active in our primary datacenter and another in our secondary datacenter. Vlan219 and Vlan220 are configured for each the two partitions, using HSRP for gateway redundancy.
None of the interfaces nor the etherchannels shows any signs of misconfiguration. All links are up and etherchannels working as expected, well almost. Nothing indicates packet loss, crc-errors, Input/Output queue-drops or anything the would impact performance. Jumboframe is not configured, although this has been discussed.
The problem is, that we're unable to achieve satisfactory performance, when for instance, performing a volume copy between the two NetApp partitions. Even though we have a teoretical bandwidth of 20Gbps end-to-end, we never climb above 75-80 Mbytes of actual transfer-rate between the two NetApps. So performancewise, is almost looks as if we're "scaled" down to a 1Gig link. No QoS or other kind of ratelimiting has been implemented on the 4900's, so from a network point of view, the NetApps can go full-throttle. NetApp sw has been updated and configurations for both NetApp and 4900's have been revised by NetApp engineers and given a "clean bill of health".
The configuration for the 4900->NetApp etherchannel/interfaces is as follows:
interface TenGigabitEthernet1/5
description *** Trunk NetAPP DC1 ***
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 219,220
switchport mode trunk
udld port aggressive
channel-group 2 mode on
spanning-tree bpdufilter enable
interface TenGigabitEthernet1/6
description *** Trunk NetAPP DC1 ***
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 219,220
switchport mode trunk
udld port aggressive
channel-group 2 mode on
spanning-tree bpdufilter enable
interface Port-channel2
description *** Trunk Etherchannel DC1 ***
switchport
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 219,220
switchport mode trunk
spanning-tree bpdufilter enable
spanning-tree link-type point-to-point
Configuration for 4900->4900 interfaces/etherchannel is as follows:
interface TenGigabitEthernet1/1
description *** Site-to-Site trunk ***
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,219,220
switchport mode trunk
udld port aggressive
channel-group 1 mode on
interface TenGigabitEthernet1/2
description *** Site-to-Site trunk ***
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,219,220
switchport mode trunk
udld port aggressive
channel-group 1 mode on
interface Port-channel1
description *** Site-to-Site trunk ***
switchport
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,219,220
switchport mode trunk
spanning-tree link-type point-to-point
Vlan10 used for mngt-purpose.
Does anyone have similar experiences or suggestions as to why we're having theese performanceissues?
Thanks
/Ulrich
Message was edited by: UHansen1976Hi,
Thanks for your reply.
I take it, that you mean baseline performance between the two NetApp's. Well, that's really out of my hands, as another department is responsible for the NetApp's. I'm not aware of any baseline performance, nor have I seen any benchmark tests or anything, that could give me hint.
Just as you suggest, I've gone through the switch-setup systematically. Basically, starting with the physical layer and working my way up. So far, I've found nothing that would indicate a physical problem. The switchport/etherchannel setup has been verified by my peers and also verified by NetApp according to the configuration on the NetApps, as well as the various best-practice documentation availible. Futhermore, I haven't seen any signs of packets drops, crc-errors, massive re-transmissions or anything like not, neither on the switches nor the NetApps.
Recently we had a status-meeting with our NetApp-partner and it looks to me like they're persuing the logical setup on the NetApps, as the're apparently a number of settings etc. that needs adjustment. Also, we're waiting for NetApp tech-support to comment on the traces, config-dump etc. we've send to them.
/Ulrich -
WEBUTIL - Does adding it to all forms cause performance issues?
If I add the webutil library and object library to all forms in the system (as part of a standard template) despite the fact most won't use it, will this cause any performance issues???
Thanks in advance...The webutil user guide has a chapter on performance considerations. Have you looked at that?
The number one point from that chapter is:
1. Only WebUtil Enable Forms that actually need the functionality. Each form that is WebUtil enabled will generate a certain amount of network traffic and memory
usage simply to instantiate the utility, even if you don’t use any WebUtil
functionality. -
Can't access "Network" and other performance issues
Hi all,
I'm facing a catch-22 and am not sure what to do to get myself and my mac out of this downward spiral. Any help you can offer would be greatly appreciated (fyi I am admittedly not great with macs and probably don't maintain my MacBook Pro well enough).
I've had a serious slowdown in performance starting a couple weeks ago. the system moves at a glacial pace and most of the time is spent watching the spinning rainbow.
To add to my issues, my ISP recently performed a system upgrade which requires me to change some settings under "Network" in my system preferences. Well, when I try to access "Network", the machine thinks for a while, then an error message appears telling me that the network preferences has shut down unexpectedly. When I hit "retry" the error message eventually reappears.
So, because of the upgrade, I can't access the internet to download any repairs for the machine, and because of the problems with the machine, I can't modify the preferences to access the internet. Obviously a vicious cycle which someone of my expertise level is struggling to solve.
Side notes
- I've passed the 90-day phone support period so can't call for help.
- I'm on my work computer now. Could I download some repair/diagnostic tool here, then run it on my machine at home?
If anyone can throw me a lifeline I would be grateful!
MacBook Pro 15" Mac OS X (10.4.3)OZ 99,
For logic's sake, I'm gong to take these out of order a bit:
2) A "disk error" occurs when the "file system" (sometimes called the "disk directory") becomes damaged. This is data that is written to the HD, so yes, it could be considered a software error. Your file system is, basically, a map of your physical HD, and it indexes the location on the drive of all the other files. When it is damaged for whatever reason, your disk "forgets" where some amount of data lives. Because of this, the associated files become damaged, or "corrupt." If those files happen to be critical components of the OS, bad things can happen. At worst, the disk will become unmountable, and all of your files unrecoverable.
1) Disk errors can be caused by several things. Sometimes, one or more "blocks" (let's call them physical locations on the disk) on your HD can become physically damaged. Whether this is because of a slight flaw in manufacturing, a scratch, magnetic particles that lose their "oomph," whatever, matters not. What is important is that some data is lost. Because the file system still believes there is data living in this location, it (the file system) is no longer reliable; it is damaged. While the initial loss of data could be considered hardware-related, the disk error is not. I'll come back to this.
Another potential cause is some random error in the process of writing data to the disk. Again, this is a software problem, not a hardware problem. The most common cause for this occurs when your computer is shut down improperly, either a forced shutdown or a power loss. Journaling, which is the default for an OS X boot volume, goes a long way toward automatically fixing these types of disk errors, but it is not always a guarantee.
If you have had your MBP for only a short period of time, it is not surprising that a disk error has occurred, and probably because of a bad block. Absolutely flawless drives are rare, and many computers ship with incipient disk errors. For this reason, many people like to format any new drive, even one in a new computer, right out of the box (I'll get to reasons why this is a good thing to do).
3) Yes. Disk Utility can check or repair your file system. Any repairs must be made using Disk Utility while booted to the OS X install disk. Your HD can be "verified," however, while booted to the HD. Simply open Disk Utilty (in the "Utilities" folder), select your startup disk, then click "Verify" in the "First Aid" pane.
4) Yes, you will have to reinstall all of your applications after formatting and reinstalling. Formatting erases everything on the volume or drive selected. Settings and data for all of those applications can be saved, however, then transferred back to the MBP after reinstalling OS X. Once the applications, themselves, have been reinstalled, you will be right back where you started. I can talk about making a comprehensive backup in another post, if you like.
DISK UTILITY: In my first post, I recommended that you select your entire drive, then using the "Zero All Data" option. This process takes a considerably longer amount of time (as much as an hour and a half, depending on the size of your drive), but it has one big advantage. When this option is used on an entire physical drive (also called a "device"), it will scan for those pesky bad blocks, and "map out" any it finds. Since these bad spots on the disk will not be included in the new file system's list of "useable" locations, your chances of encountering another disk error in the near future is drastically reduced. So, even though a bad block could be considered a hardware error, management of them is handled by software.
Scott -
WHERE LIKE% and ASP Performance Issue
Hi,
i am facing an issue with my ASP application as i use it as front end web application to connect to a huge oracle Database.
Basically i use my queries within the ASP pages, one of them uses Where LIKE to more than one column
Example: i have Col1, Col2 i have created the following indexes:
Index1 on Col1, Index2 on Col2 and Index3 on Col1,Col2
From the ASP page i have field 1, field 2 and would like to use LIKE on both fields (Field1,Field2) but the process take so much time to get result not to mention the resources it takes.
My ASP Query:
sqlstr = "Select * From TABLE Where COL1 Like '"&field1&"%' And COL2 Like '"&field2&"%' ORDER BY Num ASC"
Set Rs = Conn.Execute(Sqlstr)
What to use instead of this query to get same result but much faster (optimized)?
Thanks.if the ratio of the data returning is appropriate for index access Oracle optimizer should choose to use it, but for further commenting;
a. I couldn't see your query in the output you provided?
b. I need to know the data distribution; what is the ratio of the data coming over all table's data with the literals you use? you can check it by taking a count of the columns you indexed with a group by query.
c. I assume that your indexes are in VALID status and you collected statistics with dbms_stats and cascaded to the indexes, and depending on the question above if your data is not skewed which may cause extra need for histograms,
d. I also assume if like is starting with '%', which in this case Oracle does not use indexes and Text option is what you need to read as advised, or for another smart idea on making “like ‘%xxxx’" use index in Oracle you may check - http://oracle-unix.blogspot.com/2007/07/performance-tuning-how-to-make-like.html
After you supply the query with literals included and the data distribution, maybe as a last resort we need to force index access with a hint and compare the statistics provided by timing and autotrace options of SQL*Plus.
ps: Also you may produce a 10053 event trace to understand the optimizer decision - http://tonguc.wordpress.com/2007/01/20/optimizer-debug-trace-event-10053-trace-file/ -
Report preview and printing performance issues in CRXI R2
Hello to all,
We have successfully upgraded a corporate Web reporting site from CR8 to CRXI R2 Server SP3 VS2005 Asp2. Using managed reports, and native Oracle data access, performance has greatly improved. The CRXI site displays the first page in half the time as CR8. These are often very large reports.
The problem we are having is when you try to print, export, or just page thru a report in previewer. It takes as long to go to page 2, or to bring up the print dialog screen as it did for page 1 to display in the first place. This is drastically different from the performance on CR8. On the old site, when a report displayed, you could flip thru it like a Word document. Hardly any pause at all. Clicking on the printer icon brought up the print box immediately.
Is there a way to tell the 'CrystalReportsViewer' to load all pages before showing the first page?
If not, is anyone aware of a third party replacement for the CRV?
Any help would be greatly appreciated.
Joe EarlyHello Joseph,
What you're seeing is essentially expected behavior for a CR Server (BO Enterprise) based report. When you try to page through a report or print it you're basically rerunning the report on each button click.
To get around this behavior you can put your Report Object / InfoStore object into session and view, page, or print the session object from the viewer.
You can review [Business Objects Note 1203389|https://bcp.wdf.sap.corp/sap/sapnotes/display/0001203389] for an example with the Crystal Reports .NET SDK. You'll want to add check for the session on post back, etc. but the code should give you an idea of how to get started.
Sincerely,
Dan Kelleher -
REGUH and REGUP Performance issues?
Hi all,
I am trying to build a program based on below select query. Will it create performance problem in Production as REGUP is a cluster table.
SELECT
LAUFD
LAUFI
ZBUKR
LIFNR
VBLNR
FROM REGUH
INTO TABLE TYT_REGUH
WHERE LAUFD IN S_LAUFD AND
LAUFI IN S_LAUFI AND
XVORL NE 'X' AND
ZBUKR IN S_ZBUKR.
SELECT
LAUFD
LAUFI
ZBUKR
LIFNR
BUKRS
BELNR
GJAHR
FROM REGUP
INTO TABLE TYT_REGUP
FOR ALL ENTRIES IN TYT_REGUH
WHERE LAUFD EQ TYT_REGUH-LAUFD AND
LAUFI EQ TYT_REGUH-LAUFI AND
XVORL NE 'X' AND
LIFNR EQ TYT_REGUH-LIFNR AND
VBLNR EQ TYT_REGUH-VBLNR AND
ZBUKR EQ TYT_REGUH-ZBUKR.
Thanks,
SubbaHi Subba Krishna,
As u said, certainlly it will take a lot of time to fetch data from the Cluster table REGUP. It will be better if u give all the Primary key fields in where condition of the select statement.
LAUFD Date on Which the Program Is to Be Run
LAUFI Additional Identification
XVORL Indicator: Only Proposal Run?
ZBUKR Paying company code
LIFNR Account Number of Vendor or Creditor
KUNNR Customer Number 1
EMPFG Payee code
VBLNR Document Number of the Payment Document
BUKRS Company Code
BELNR Accounting Document Number
GJAHR Fiscal Year
BUZEI Number of Line Item Within Accounting Document
These are all the Primary key fields of the table REGUP.
One more thing is to give the where condition fields in order of the table REGUP
LAUFD
LAUFI
XVORL
ZBUKR
LIFNR
VBLNR
Best regards,
raam -
Infoview Reports timing out, Freezing and other performance issues
Hi all,
New user and been tasked with a project to try and get to the bottom of a problem our users get using infoview on our network. Now i have very little experience in these kind of things and this is more of a research and learn experience at the same time. I have highlighted in bold below what one of my colleagues has sent me in order to research.
You may have noticed Reports timing out, Freezing etc.
We need recognise whatu2019s causing it and any solutions we can apply.
It maybe down to Memory issues, on local machines. Cost of Queries on the databases or even Java versions used when either editing or viewing Webi reports.
Other considerations could be Network issues u2013 Are the problems just site specific
u2022 Identify reports that are causing problems. Is it down to the Queries used and can these be optimised to run faster u2013 Our DBA can assist with this using his Query profiler (ORACLE).
Or reports that have many tabs on, appear to take longer to open/edit u2013 is this Memory or Java.
u2022 Research the web for known issues/fixes,
u2022 Raise Topics on Forums such as BOB and the SAP forum u2013 explaining the above, Can we find out what causes it, which Java versions we should be using, and recommended amount of Memory (RAM) etc.
At the moment im busy just getting a list of reports our users are having a problem with along with any error messages etc. Now in order to get help from some gurus on here i obviously would need to supply more information on our setup so if anyone can help just tell me what information you need and i will get this for you.Hi,
Here's my best suggestion, use a monitoring tool like Remote Support Component: www.service.sap.com/remote-supportability
you can use this utlity to diagnose your system and all aspects of its latency
regards,
H
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