Query slower due to sorting('order by')
I have a query which when sorted is about 5 times slower.
The 'order by' is on 3 different fields from 3 different tables, there are indexes present for all 3 columns. The number of records returned is about 5000.
Any Ideas !!
Sinantopuz was on to something -- but we could be talking about memory versus disk. Is SORT_AREA_SIZE too small? Or maybe you are using PGA_AGGREGATE_TARGET?
If WORKAREA_SIZE_POLICY = AUTO, then reference PGA_AGGREGRATE_TARGET (show parameters pga_aggregate_target in SQL*Plus).
Otherwise, review the SORT_AREA_SIZE.
The SET AUTOTRACE will show disk sorts versus memory sorts. Disk sorts should be avoided by increasing your sort area (SORT_AREA_SIZE, PGA_AGGREGATE_TARGET, maybe even HASH_AREA_SIZE).
Good luck.
Similar Messages
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Sql query slowness due to rank and columns with null values:
Sql query slowness due to rank and columns with null values:
I have the following table in database with around 10 millions records:
Declaration:
create table PropertyOwners (
[Key] int not null primary key,
PropertyKey int not null,
BoughtDate DateTime,
OwnerKey int null,
GroupKey int null
go
[Key] is primary key and combination of PropertyKey, BoughtDate, OwnerKey and GroupKey is unique.
With the following index:
CREATE NONCLUSTERED INDEX [IX_PropertyOwners] ON [dbo].[PropertyOwners]
[PropertyKey] ASC,
[BoughtDate] DESC,
[OwnerKey] DESC,
[GroupKey] DESC
go
Description of the case:
For single BoughtDate one property can belong to multiple owners or single group, for single record there can either be OwnerKey or GroupKey but not both so one of them will be null for each record. I am trying to retrieve the data from the table using
following query for the OwnerKey. If there are same property rows for owners and group at the same time than the rows having OwnerKey with be preferred, that is why I am using "OwnerKey desc" in Rank function.
declare @ownerKey int = 40000
select PropertyKey, BoughtDate, OwnerKey, GroupKey
from (
select PropertyKey, BoughtDate, OwnerKey, GroupKey,
RANK() over (partition by PropertyKey order by BoughtDate desc, OwnerKey desc, GroupKey desc) as [Rank]
from PropertyOwners
) as result
where result.[Rank]=1 and result.[OwnerKey]=@ownerKey
It is taking 2-3 seconds to get the records which is too slow, similar time it is taking as I try to get the records using the GroupKey. But when I tried to get the records for the PropertyKey with the same query, it is executing in 10 milliseconds.
May be the slowness is due to as OwnerKey/GroupKey in the table can be null and sql server in unable to index it. I have also tried to use the Indexed view to pre ranked them but I can't use it in my query as Rank function is not supported in indexed
view.
Please note this table is updated once a day and using Sql Server 2008 R2. Any help will be greatly appreciated.create table #result (PropertyKey int not null, BoughtDate datetime, OwnerKey int null, GroupKey int null, [Rank] int not null)Create index idx ON #result(OwnerKey ,rnk)
insert into #result(PropertyKey, BoughtDate, OwnerKey, GroupKey, [Rank])
select PropertyKey, BoughtDate, OwnerKey, GroupKey,
RANK() over (partition by PropertyKey order by BoughtDate desc, OwnerKey desc, GroupKey desc) as [Rank]
from PropertyOwners
go
declare @ownerKey int = 1
select PropertyKey, BoughtDate, OwnerKey, GroupKey
from #result as result
where result.[Rank]=1
and result.[OwnerKey]=@ownerKey
go
Best Regards,Uri Dimant SQL Server MVP,
http://sqlblog.com/blogs/uri_dimant/
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Business Intelligence -
Hi All,
We are experiencing slow performance for a query which is using dblink.
Our Database version is 8i
Our OS is Windows 2000
the explain plan is as below.
Explain plan:-
Execution Plan
0 SELECT STATEMENT Optimizer=CHOOSE (Cost=7494 Card=1 Bytes=38
0)
1 0 SORT (ORDER BY) (Cost=7494 Card=1 Bytes=380)
2 1 SORT (GROUP BY) (Cost=7494 Card=1 Bytes=380)
3 2 HASH JOIN (Cost=7489 Card=1 Bytes=380)
4 3 MERGE JOIN (CARTESIAN) (Cost=9 Card=17 Bytes=1479)
5 4 NESTED LOOPS (Cost=8 Card=1 Bytes=63)
6 5 TABLE ACCESS (FULL) OF 'CATMAP' (Cost=1 Card=1 B
ytes=14)
7 5 TABLE ACCESS (BY GLOBAL INDEX ROWID) OF 'DOCPART
EXT' (Cost=7 Card=1 Bytes=49)
8 7 INDEX (RANGE SCAN) OF 'DOCPARTEXT_I10' (NON-UN
IQUE) (Cost=3 Card=1)
9 4 SORT (JOIN) (Cost=2 Card=17 Bytes=408)
10 9 TABLE ACCESS (FULL) OF 'PARTGROUP' (Cost=1 Card=
17 Bytes=408)
11 3 REMOTE* (Cost=7311 Card=1161896 Bytes=340435528) PRICE
11 SERIAL_FROM_REMOTE SELECT "PARTID","PARTGROUP","PARTDESCRIPTION
","IMAGEFILENAME" FROM "DIST"."
Statistics
18 recursive calls
14 db block gets
38130 consistent gets
378 physical reads
172 redo size
65623 bytes sent via SQL*Net to client
2983 bytes received via SQL*Net from client
25 SQL*Net roundtrips to/from client
3 sorts (memory)
0 sorts (disk)
360 rows processed
The above query sometimes execute in 2 seconds and sometimes it takes almost 150 secs
Please advice how to tune this query.
Regards,
angHi Anurag,
I found below stuff in system wait events.
EVENTS Total Waits
SQL*Net message to client 112838591 0 0 0
SQL*Net message to dblink 297216585 0 0 0
SQL*Net more data to client 7965780 0 0 0
SQL*Net more data to dblink 2207 0 0 0
SQL*Net message from client 112838213 0 0 0
SQL*Net more data from client 525083 0 0 0
SQL*Net message from dblink 297216585 0 0 0
SQL*Net more data from dblink 94103530 0 0 0
SQL*Net break/reset to client 10115895 0 0 0
SQL*Net break/reset to dblink 41218 0 0 0
Above are the highest wait events in v$system_event.
Regards,
Ang -
MDO select query: how to control sort order using parameter
Hi experts, is there a way of controling the sort order of an MDO select query using some parameter?
I was thinking about using some statement like CASE [Param.1] WHEN 'abc' THEN [ORDER_NO]...END in sort section of the query but it is not working.
Of course I colud go for various select queries...but I am wondering if it can be done using only one?
Any ideas?
Thanks for any helpHi Marco,
Yes this can be achieved dynamically using SortExpr under dynamic link assignment in MDOAction block if you are using a transaction to call it.
Please check below thread:
Re: MDO Query Action Block In MII Transaction
Or else, this [Param.1] thing should work as well provided it doesn't get the logic part in it, just pass the columns names separated by comma. Haven't tried it though, will check it for you.
Best Regards,
Swaroop -
Sql query slow due to case statement on Joins
Hi
The sql query runs very slow for 30 min when the below case statement is added on the joins. Could you please let me know how to tune it. if the case statement is not there then it runs only for 1 min.
*( CASE*
WHEN PO_DIST_GL_CODE_COMB.SEGMENT2 <> '1000'
THEN PO_DIST_GL_CODE_COMB.SEGMENT1 || PO_DIST_GL_CODE_COMB.SEGMENT2 || '_' || NVL(PO_DIST_GL_CODE_COMB.SEGMENT6,'000')
WHEN DT_REQ_ALL.EMPMGMTCD IS NOT NULL AND
PO_DIST_GL_CODE_COMB.SEGMENT2 = '1000'
THEN DT_REQ_ALL.EMPMGMTCD
END =DB2.DB2_FDW_MGMT_V.MH_CHILD )
SELECT DISTINCT
D.DB2_FDW_MGMT_V.RC_PARENT,
DT_REQ_ALL.FULL_NAME,
DT_REQ_ALL.EMP_COMPANY_CODE,
DT_REQ_ALL.EMP_COST_CENTER,
PO.PO_VENDORS.VENDOR_NAME,
PO_PO_HEADERS_ALL2.SEGMENT1,
PO_PO_HEADERS_ALL2.CREATION_DATE,
PO_DIST_GL_CODE_COMB.SEGMENT1,
PO_DIST_GL_CODE_COMB.SEGMENT2,
PO_PO_HEADERS_ALL2.CURRENCY_CODE,
PO_INV_DIST_ALL.INVOICE_NUM,
PO_INV_DIST_ALL.INVOICE_DATE,
(PO_INV_DIST_ALL.INVOICE_AMOUNT* PO_Rates_GL_DR.CONVERSION_RATE),
(NVL(to_number(PO_DIST_ALL.AMOUNT_BILLED),0) * PO_Rates_GL_DR.CONVERSION_RATE),
PO_LINES_LOC.LINE_NUM,
GL.GL_SETS_OF_BOOKS.NAME,
CASE
WHEN TRUNC(PO_PO_HEADERS_ALL2.CREATION_DATE) > PO_INV_DIST_ALL.INVOICE_DATE
THEN 1
ELSE 0
END ,
PO.PO_REQUISITION_LINES_ALL.LINE_LOCATION_ID,
TRUNC(PO_PO_HEADERS_ALL2.CREATION_DATE,'WW') + 8 WEEK_Ending
FROM
DB2.DB2_FDW_MGMT_V,
PO.PO_VENDORS,
PO.PO_HEADERS_ALL PO_PO_HEADERS_ALL2,
GL.GL_CODE_COMBINATIONS PO_DIST_GL_CODE_COMB,
AP.AP_INVOICES_ALL PO_INV_DIST_ALL,
PO.PO_DISTRIBUTIONS_ALL PO_DIST_ALL,
PO.PO_LINES_ALL PO_LINES_LOC,
GL.GL_SETS_OF_BOOKS,
PO.PO_REQUISITION_LINES_ALL,
PO.PO_LINE_LOCATIONS_ALL,
AP.AP_INVOICE_DISTRIBUTIONS_ALL PO_DIST_INV_DIST_ALL,
APPS.HR_OPERATING_UNITS,
PO.PO_REQ_DISTRIBUTIONS_ALL,
SELECT DISTINCT
PO_RDA.DISTRIBUTION_ID,
PO_RLA.requisition_line_id,
PO_RHA.DESCRIPTION PO_Descr,
PO_RHA.NOTE_TO_AUTHORIZER PO_Justification,
Req_Emp.FULL_NAME,
GL_CC.SEGMENT1 Req_Company_Code,
GL_CC.SEGMENT2 Req_Cost_Center,
Req_Emp_CC.SEGMENT1 Emp_Company_Code,
Req_Emp_CC.SEGMENT2 Emp_Cost_Center,
(Case
When GL_CC.SEGMENT2 <> 8000
Then TRUNC(GL_CC.SEGMENT1) || TRUNC(GL_CC.SEGMENT2) || '_' || NVL(GL_CC.SEGMENT6,'000')
Else TRUNC(Req_Emp_CC.SEGMENT1) || TRUNC(Req_Emp_CC.SEGMENT2) || '_' || NVL(Req_Emp_CC.SEGMENT6,'000')
End) EmpMgmtCD
FROM
PO.po_requisition_lines_all PO_rla,
PO.po_requisition_headers_all PO_rha,
PO.PO_REQ_DISTRIBUTIONS_ALL po_RDA,
GL.GL_CODE_COMBINATIONS gl_cc,
HR.PER_ALL_PEOPLE_F Req_Emp,
HR.PER_ALL_ASSIGNMENTS_F Req_Emp_Assign,
HR.hr_all_organization_units Req_Emp_Org,
HR.pay_cost_allocation_keyflex Req_Emp_CC
WHERE
PO_RDA.CODE_COMBINATION_ID = GL_CC.CODE_COMBINATION_ID and
PO_RLA.REQUISITION_LINE_ID = PO_RDA.REQUISITION_LINE_ID AND
PO_RLA.to_person_id = Req_Emp.PERSON_ID AND
PO_RLA.REQUISITION_HEADER_ID = PO_RHA.REQUISITION_HEADER_ID AND
(trunc(PO_rla.CREATION_DATE) between Req_Emp.effective_start_date and Req_Emp.effective_end_date OR
Req_Emp.effective_start_date IS NULL) AND
Req_Emp.PERSON_ID = Req_Emp_Assign.PERSON_ID AND
Req_Emp_Assign.organization_id = Req_Emp_Org.organization_id AND
(trunc(PO_rla.CREATION_DATE) between Req_Emp_Assign.effective_start_date and Req_Emp_Assign.effective_end_date OR
Req_Emp_Assign.effective_start_date IS NULL) AND
Req_Emp_Assign.primary_flag = 'Y' AND
Req_Emp_Assign.assignment_type = 'E' AND
Req_Emp_Org.cost_allocation_keyflex_id = Req_Emp_CC.cost_allocation_keyflex_id
) DT_REQ_ALL,
SELECT
FROM_CURRENCY,
TO_CURRENCY,
CONVERSION_DATE,
CONVERSION_RATE
FROM GL.GL_DAILY_RATES
UNION
SELECT Distinct
'USD',
'USD',
CONVERSION_DATE,
1
FROM GL.GL_DAILY_RATES
) PO_Rates_GL_DR
WHERE
( PO_DIST_GL_CODE_COMB.CODE_COMBINATION_ID=PO_DIST_ALL.CODE_COMBINATION_ID )
AND ( PO_DIST_ALL.LINE_LOCATION_ID=PO.PO_LINE_LOCATIONS_ALL.LINE_LOCATION_ID )
AND ( PO_PO_HEADERS_ALL2.VENDOR_ID=PO.PO_VENDORS.VENDOR_ID )
AND ( PO_PO_HEADERS_ALL2.ORG_ID=APPS.HR_OPERATING_UNITS.ORGANIZATION_ID )
AND ( GL.GL_SETS_OF_BOOKS.SET_OF_BOOKS_ID=APPS.HR_OPERATING_UNITS.SET_OF_BOOKS_ID )
AND ( PO_PO_HEADERS_ALL2.CURRENCY_CODE=PO_Rates_GL_DR.FROM_CURRENCY )
AND ( trunc(PO_PO_HEADERS_ALL2.CREATION_DATE)=PO_Rates_GL_DR.CONVERSION_DATE )
AND ( PO_DIST_ALL.REQ_DISTRIBUTION_ID=PO.PO_REQ_DISTRIBUTIONS_ALL.DISTRIBUTION_ID(+) )
AND ( PO.PO_REQ_DISTRIBUTIONS_ALL.REQUISITION_LINE_ID=PO.PO_REQUISITION_LINES_ALL.REQUISITION_LINE_ID(+) )
AND ( PO_LINES_LOC.PO_HEADER_ID=PO_PO_HEADERS_ALL2.PO_HEADER_ID )
AND ( PO.PO_LINE_LOCATIONS_ALL.PO_LINE_ID=PO_LINES_LOC.PO_LINE_ID )
AND ( PO_DIST_ALL.REQ_DISTRIBUTION_ID=DT_REQ_ALL.DISTRIBUTION_ID(+) )
AND ( PO_DIST_ALL.PO_DISTRIBUTION_ID=PO_DIST_INV_DIST_ALL.PO_DISTRIBUTION_ID(+) )
AND ( PO_INV_DIST_ALL.INVOICE_ID(+)=PO_DIST_INV_DIST_ALL.INVOICE_ID )
AND ( PO_INV_DIST_ALL.SOURCE(+) <> 'XML GATEWAY' )
AND
( NVL(PO_PO_HEADERS_ALL2.CANCEL_FLAG,'N') <> 'Y' )
AND
( NVL(PO_PO_HEADERS_ALL2.CLOSED_CODE, 'OPEN') <> 'FINALLY CLOSED' )
AND
( NVL(PO_PO_HEADERS_ALL2.AUTHORIZATION_STATUS,'IN PROCESS') <> 'REJECTED' )
AND
( TRUNC(PO_PO_HEADERS_ALL2.CREATION_DATE) BETWEEN TO_DATE('01-jan-2011') AND TO_DATE('04-jan-2011') )
AND
PO_Rates_GL_DR.TO_CURRENCY = 'USD'
AND
DB2.DB2_FDW_MGMT_V.RC_PARENT In ( 'Unavailable','Corp','Commercial' )
AND
( CASE
WHEN PO_DIST_GL_CODE_COMB.SEGMENT2 <> '1000'
THEN PO_DIST_GL_CODE_COMB.SEGMENT1 || PO_DIST_GL_CODE_COMB.SEGMENT2 || '_' || NVL(PO_DIST_GL_CODE_COMB.SEGMENT6,'000')
WHEN DT_REQ_ALL.EMPMGMTCD IS NOT NULL AND
PO_DIST_GL_CODE_COMB.SEGMENT2 = '1000'
THEN DT_REQ_ALL.EMPMGMTCD
END =DB2.DB2_FDW_MGMT_V.MH_CHILD )Explain plan. sorry can't get the explain plan from sql. this is from toad.
Plan
SELECT STATEMENT ALL_ROWSCost: 53,932 Bytes: 2,607 Cardinality: 1
79 HASH UNIQUE Cost: 53,932 Bytes: 2,607 Cardinality: 1
78 NESTED LOOPS OUTER Cost: 53,931 Bytes: 2,607 Cardinality: 1
75 NESTED LOOPS OUTER Cost: 53,928 Bytes: 2,560 Cardinality: 1
72 NESTED LOOPS Cost: 53,902 Bytes: 2,552 Cardinality: 1
69 NESTED LOOPS OUTER Cost: 53,900 Bytes: 2,533 Cardinality: 1
66 NESTED LOOPS OUTER Cost: 53,898 Bytes: 2,521 Cardinality: 1
63 HASH JOIN OUTER Cost: 53,896 Bytes: 2,509 Cardinality: 1
40 TABLE ACCESS BY INDEX ROWID TABLE PO.PO_DISTRIBUTIONS_ALL Cost: 3 Bytes: 26 Cardinality: 1
39 NESTED LOOPS Cost: 17,076 Bytes: 2,400 Cardinality: 1
37 NESTED LOOPS Cost: 17,073 Bytes: 2,374 Cardinality: 1
34 NESTED LOOPS Cost: 17,070 Bytes: 2,362 Cardinality: 1
31 NESTED LOOPS Cost: 17,066 Bytes: 2,347 Cardinality: 1
29 NESTED LOOPS Cost: 17,066 Bytes: 2,339 Cardinality: 1
26 NESTED LOOPS Cost: 17,065 Bytes: 2,312 Cardinality: 1
23 NESTED LOOPS Cost: 17,064 Bytes: 2,287 Cardinality: 1
20 NESTED LOOPS Cost: 17,062 Bytes: 2,261 Cardinality: 1
17 NESTED LOOPS Cost: 17,056 Bytes: 6,678 Cardinality: 3
15 HASH JOIN Cost: 17,056 Bytes: 6,663 Cardinality: 3
13 MERGE JOIN CARTESIAN Cost: 135 Bytes: 30,352 Cardinality: 14
5 VIEW VIEW DB2.DB2_FDW_MGMT_V Cost: 4 Bytes: 2,128 Cardinality: 1
4 SORT UNIQUE Cost: 4 Cardinality: 1
3 UNION-ALL
1 REMOTE REMOTE SERIAL_FROM_REMOTE PRDFDW.WORLD
2 FAST DUAL Cost: 3 Cardinality: 1
12 BUFFER SORT Cost: 135 Bytes: 560 Cardinality: 14
11 VIEW DB2. Cost: 131 Bytes: 560 Cardinality: 14
10 SORT UNIQUE Cost: 131 Bytes: 310 Cardinality: 14
9 UNION-ALL
7 TABLE ACCESS BY INDEX ROWID TABLE GL.GL_DAILY_RATES Cost: 65 Bytes: 270 Cardinality: 9
6 INDEX SKIP SCAN INDEX (UNIQUE) GL.GL_DAILY_RATES_U1 Cost: 64 Cardinality: 1
8 INDEX SKIP SCAN INDEX (UNIQUE) GL.GL_DAILY_RATES_U1 Cost: 64 Bytes: 4,368 Cardinality: 546
14 TABLE ACCESS FULL TABLE PO.PO_HEADERS_ALL Cost: 16,920 Bytes: 32,754 Cardinality: 618
16 INDEX UNIQUE SCAN INDEX (UNIQUE) HR.HR_ORGANIZATION_UNITS_PK Cost: 0 Bytes: 5 Cardinality: 1
19 TABLE ACCESS BY INDEX ROWID TABLE HR.HR_ORGANIZATION_INFORMATION Cost: 2 Bytes: 35 Cardinality: 1
18 INDEX RANGE SCAN INDEX HR.HR_ORGANIZATION_INFORMATIO_FK2 Cost: 1 Cardinality: 2
22 TABLE ACCESS BY INDEX ROWID TABLE HR.HR_ORGANIZATION_INFORMATION Cost: 2 Bytes: 26 Cardinality: 1
21 INDEX RANGE SCAN INDEX HR.HR_ORGANIZATION_INFORMATIO_FK2 Cost: 1 Cardinality: 1
25 TABLE ACCESS BY INDEX ROWID TABLE GL.GL_SETS_OF_BOOKS Cost: 1 Bytes: 25 Cardinality: 1
24 INDEX UNIQUE SCAN INDEX (UNIQUE) GL.GL_SETS_OF_BOOKS_U2 Cost: 0 Cardinality: 1
28 TABLE ACCESS BY INDEX ROWID TABLE PO.PO_VENDORS Cost: 1 Bytes: 27 Cardinality: 1
27 INDEX UNIQUE SCAN INDEX (UNIQUE) PO.PO_VENDORS_U1 Cost: 0 Cardinality: 1
30 INDEX UNIQUE SCAN INDEX (UNIQUE) HR.HR_ALL_ORGANIZATION_UNTS_TL_PK Cost: 0 Bytes: 8 Cardinality: 1
33 TABLE ACCESS BY INDEX ROWID TABLE PO.PO_LINES_ALL Cost: 4 Bytes: 60 Cardinality: 4
32 INDEX RANGE SCAN INDEX (UNIQUE) PO.PO_LINES_U2 Cost: 2 Cardinality: 4
36 TABLE ACCESS BY INDEX ROWID TABLE PO.PO_LINE_LOCATIONS_ALL Cost: 3 Bytes: 12 Cardinality: 1
35 INDEX RANGE SCAN INDEX PO.PO_LINE_LOCATIONS_N1 Cost: 2 Cardinality: 1
38 INDEX RANGE SCAN INDEX PO.PO_DISTRIBUTIONS_N1 Cost: 2 Cardinality: 1
62 VIEW DB2. Cost: 36,819 Bytes: 1,090 Cardinality: 10
61 HASH UNIQUE Cost: 36,819 Bytes: 2,580 Cardinality: 10
60 NESTED LOOPS Cost: 36,818 Bytes: 2,580 Cardinality: 10
57 NESTED LOOPS Cost: 36,798 Bytes: 2,390 Cardinality: 10
54 NESTED LOOPS Cost: 36,768 Bytes: 2,220 Cardinality: 10
51 NESTED LOOPS Cost: 36,758 Bytes: 1,510 Cardinality: 10
48 NESTED LOOPS Cost: 36,747 Bytes: 1,050 Cardinality: 10
45 HASH JOIN Cost: 36,737 Bytes: 960 Cardinality: 10
43 HASH JOIN Cost: 34,602 Bytes: 230,340 Cardinality: 3,490
41 TABLE ACCESS FULL TABLE HR.PER_ALL_PEOPLE_F Cost: 1,284 Bytes: 1,848,420 Cardinality: 44,010
42 TABLE ACCESS FULL TABLE PO.PO_REQUISITION_LINES_ALL Cost: 31,802 Bytes: 18,340,080 Cardinality: 764,170
44 TABLE ACCESS FULL TABLE HR.PER_ALL_ASSIGNMENTS_F Cost: 2,134 Bytes: 822,540 Cardinality: 27,418
47 TABLE ACCESS BY INDEX ROWID TABLE HR.HR_ALL_ORGANIZATION_UNITS Cost: 1 Bytes: 9 Cardinality: 1
46 INDEX UNIQUE SCAN INDEX (UNIQUE) HR.HR_ORGANIZATION_UNITS_PK Cost: 0 Cardinality: 1
50 TABLE ACCESS BY INDEX ROWID TABLE HR.PAY_COST_ALLOCATION_KEYFLEX Cost: 1 Bytes: 46 Cardinality: 1
49 INDEX UNIQUE SCAN INDEX (UNIQUE) HR.PAY_COST_ALLOCATION_KEYFLE_PK Cost: 0 Cardinality: 1
53 TABLE ACCESS BY INDEX ROWID TABLE PO.PO_REQUISITION_HEADERS_ALL Cost: 1 Bytes: 71 Cardinality: 1
52 INDEX UNIQUE SCAN INDEX (UNIQUE) PO.PO_REQUISITION_HEADERS_U1 Cost: 0 Cardinality: 1
56 TABLE ACCESS BY INDEX ROWID TABLE PO.PO_REQ_DISTRIBUTIONS_ALL Cost: 3 Bytes: 17 Cardinality: 1
55 INDEX RANGE SCAN INDEX PO.PO_REQ_DISTRIBUTIONS_N1 Cost: 2 Cardinality: 1
59 TABLE ACCESS BY INDEX ROWID TABLE GL.GL_CODE_COMBINATIONS Cost: 2 Bytes: 19 Cardinality: 1
58 INDEX UNIQUE SCAN INDEX (UNIQUE) GL.GL_CODE_COMBINATIONS_U1 Cost: 1 Cardinality: 1
65 TABLE ACCESS BY INDEX ROWID TABLE PO.PO_REQ_DISTRIBUTIONS_ALL Cost: 2 Bytes: 12 Cardinality: 1
64 INDEX UNIQUE SCAN INDEX (UNIQUE) PO.PO_REQ_DISTRIBUTIONS_U1 Cost: 1 Cardinality: 1
68 TABLE ACCESS BY INDEX ROWID TABLE PO.PO_REQUISITION_LINES_ALL Cost: 2 Bytes: 12 Cardinality: 1
67 INDEX UNIQUE SCAN INDEX (UNIQUE) PO.PO_REQUISITION_LINES_U1 Cost: 1 Cardinality: 1
71 TABLE ACCESS BY INDEX ROWID TABLE GL.GL_CODE_COMBINATIONS Cost: 2 Bytes: 19 Cardinality: 1
70 INDEX UNIQUE SCAN INDEX (UNIQUE) GL.GL_CODE_COMBINATIONS_U1 Cost: 1 Cardinality: 1
74 TABLE ACCESS BY INDEX ROWID TABLE AP.AP_INVOICE_DISTRIBUTIONS_ALL Cost: 26 Bytes: 16 Cardinality: 2
73 INDEX RANGE SCAN INDEX AP.AP_INVOICE_DISTRIBUTIONS_N7 Cost: 2 Cardinality: 37
77 TABLE ACCESS BY INDEX ROWID TABLE AP.AP_INVOICES_ALL Cost: 3 Bytes: 47 Cardinality: 1
76 INDEX RANGE SCAN INDEX (UNIQUE) AP.AP_INVOICES_U1 Cost: 2 Cardinality: 1 ThanksForming a new table "new_table" with 3 tables which particiapate in CASE statement logic.
with DT_REQ_ALL as
SELECT DISTINCT
PO_RDA.DISTRIBUTION_ID,
PO_RLA.requisition_line_id,
PO_RHA.DESCRIPTION PO_Descr,
PO_RHA.NOTE_TO_AUTHORIZER PO_Justification,
Req_Emp.FULL_NAME,
GL_CC.SEGMENT1 Req_Company_Code,
GL_CC.SEGMENT2 Req_Cost_Center,
Req_Emp_CC.SEGMENT1 Emp_Company_Code,
Req_Emp_CC.SEGMENT2 Emp_Cost_Center,
(Case
When GL_CC.SEGMENT2 8000
Then TRUNC(GL_CC.SEGMENT1) || TRUNC(GL_CC.SEGMENT2) || '_' || NVL(GL_CC.SEGMENT6,'000')
Else TRUNC(Req_Emp_CC.SEGMENT1) || TRUNC(Req_Emp_CC.SEGMENT2) || '_' || NVL(Req_Emp_CC.SEGMENT6,'000')
End) EmpMgmtCD
FROM
PO.po_requisition_lines_all PO_rla,
PO.po_requisition_headers_all PO_rha,
PO.PO_REQ_DISTRIBUTIONS_ALL po_RDA,
GL.GL_CODE_COMBINATIONS gl_cc,
HR.PER_ALL_PEOPLE_F Req_Emp,
HR.PER_ALL_ASSIGNMENTS_F Req_Emp_Assign,
HR.hr_all_organization_units Req_Emp_Org,
HR.pay_cost_allocation_keyflex Req_Emp_CC
WHERE
PO_RDA.CODE_COMBINATION_ID = GL_CC.CODE_COMBINATION_ID and
PO_RLA.REQUISITION_LINE_ID = PO_RDA.REQUISITION_LINE_ID AND
PO_RLA.to_person_id = Req_Emp.PERSON_ID AND
PO_RLA.REQUISITION_HEADER_ID = PO_RHA.REQUISITION_HEADER_ID AND
(trunc(PO_rla.CREATION_DATE) between Req_Emp.effective_start_date and Req_Emp.effective_end_date OR
Req_Emp.effective_start_date IS NULL) AND
Req_Emp.PERSON_ID = Req_Emp_Assign.PERSON_ID AND
Req_Emp_Assign.organization_id = Req_Emp_Org.organization_id AND
(trunc(PO_rla.CREATION_DATE) between Req_Emp_Assign.effective_start_date and Req_Emp_Assign.effective_end_date OR
Req_Emp_Assign.effective_start_date IS NULL) AND
Req_Emp_Assign.primary_flag = 'Y' AND
Req_Emp_Assign.assignment_type = 'E' AND
Req_Emp_Org.cost_allocation_keyflex_id = Req_Emp_CC.cost_allocation_keyflex_id
SELECT DISTINCT
D.DB2_FDW_MGMT_V.RC_PARENT,
DT_REQ_ALL.FULL_NAME,
DT_REQ_ALL.EMP_COMPANY_CODE,
DT_REQ_ALL.EMP_COST_CENTER,
PO.PO_VENDORS.VENDOR_NAME,
PO_PO_HEADERS_ALL2.SEGMENT1,
PO_PO_HEADERS_ALL2.CREATION_DATE,
PO_DIST_GL_CODE_COMB.SEGMENT1,
PO_DIST_GL_CODE_COMB.SEGMENT2,
PO_PO_HEADERS_ALL2.CURRENCY_CODE,
PO_INV_DIST_ALL.INVOICE_NUM,
PO_INV_DIST_ALL.INVOICE_DATE,
(PO_INV_DIST_ALL.INVOICE_AMOUNT* PO_Rates_GL_DR.CONVERSION_RATE),
(NVL(to_number(PO_DIST_ALL.AMOUNT_BILLED),0) * PO_Rates_GL_DR.CONVERSION_RATE),
PO_LINES_LOC.LINE_NUM,
GL.GL_SETS_OF_BOOKS.NAME,
CASE
WHEN TRUNC(PO_PO_HEADERS_ALL2.CREATION_DATE) > PO_INV_DIST_ALL.INVOICE_DATE
THEN 1
ELSE 0
END ,
PO.PO_REQUISITION_LINES_ALL.LINE_LOCATION_ID,
TRUNC(PO_PO_HEADERS_ALL2.CREATION_DATE,'WW') + 8 WEEK_Ending
FROM
( SELECT * FROM
DB2.DB2_FDW_MGMT_V,
GL.GL_CODE_COMBINATIONS PO_DIST_GL_CODE_COMB,
DT_REQ_ALL
WHERE
DB2.DB2_FDW_MGMT_V.RC_PARENT In ( 'Unavailable','Corp','Commercial' )
AND
CASE
WHEN PO_DIST_GL_CODE_COMB.SEGMENT2 <> '1000'
THEN PO_DIST_GL_CODE_COMB.SEGMENT1 || PO_DIST_GL_CODE_COMB.SEGMENT2 || '_' || NVL(PO_DIST_GL_CODE_COMB.SEGMENT6,'000')
WHEN DT_REQ_ALL.EMPMGMTCD IS NOT NULL AND
PO_DIST_GL_CODE_COMB.SEGMENT2 = '1000'
THEN DT_REQ_ALL.EMPMGMTCD
END =DB2.DB2_FDW_MGMT_V.MH_CHILD
) new_table,
PO.PO_VENDORS,
PO.PO_HEADERS_ALL PO_PO_HEADERS_ALL2,
AP.AP_INVOICES_ALL PO_INV_DIST_ALL,
PO.PO_DISTRIBUTIONS_ALL PO_DIST_ALL,
PO.PO_LINES_ALL PO_LINES_LOC,
GL.GL_SETS_OF_BOOKS,
PO.PO_REQUISITION_LINES_ALL,
PO.PO_LINE_LOCATIONS_ALL,
AP.AP_INVOICE_DISTRIBUTIONS_ALL PO_DIST_INV_DIST_ALL,
APPS.HR_OPERATING_UNITS,
PO.PO_REQ_DISTRIBUTIONS_ALL,
SELECT
FROM_CURRENCY,
TO_CURRENCY,
CONVERSION_DATE,
CONVERSION_RATE
FROM GL.GL_DAILY_RATES
UNION
SELECT Distinct
'USD',
'USD',
CONVERSION_DATE,
1
FROM GL.GL_DAILY_RATES
) PO_Rates_GL_DR
WHERE
( PO_DIST_GL_CODE_COMB.CODE_COMBINATION_ID=PO_DIST_ALL.CODE_COMBINATION_ID )
AND ( PO_DIST_ALL.LINE_LOCATION_ID=PO.PO_LINE_LOCATIONS_ALL.LINE_LOCATION_ID )
AND ( PO_PO_HEADERS_ALL2.VENDOR_ID=PO.PO_VENDORS.VENDOR_ID )
AND ( PO_PO_HEADERS_ALL2.ORG_ID=APPS.HR_OPERATING_UNITS.ORGANIZATION_ID )
AND ( GL.GL_SETS_OF_BOOKS.SET_OF_BOOKS_ID=APPS.HR_OPERATING_UNITS.SET_OF_BOOKS_ID )
AND ( PO_PO_HEADERS_ALL2.CURRENCY_CODE=PO_Rates_GL_DR.FROM_CURRENCY )
AND ( trunc(PO_PO_HEADERS_ALL2.CREATION_DATE)=PO_Rates_GL_DR.CONVERSION_DATE )
AND ( PO_DIST_ALL.REQ_DISTRIBUTION_ID=PO.PO_REQ_DISTRIBUTIONS_ALL.DISTRIBUTION_ID(+) )
AND ( PO.PO_REQ_DISTRIBUTIONS_ALL.REQUISITION_LINE_ID=PO.PO_REQUISITION_LINES_ALL.REQUISITION_LINE_ID(+) )
AND ( PO_LINES_LOC.PO_HEADER_ID=PO_PO_HEADERS_ALL2.PO_HEADER_ID )
AND ( PO.PO_LINE_LOCATIONS_ALL.PO_LINE_ID=PO_LINES_LOC.PO_LINE_ID )
AND ( PO_DIST_ALL.REQ_DISTRIBUTION_ID=DT_REQ_ALL.DISTRIBUTION_ID(+) )
AND ( PO_DIST_ALL.PO_DISTRIBUTION_ID=PO_DIST_INV_DIST_ALL.PO_DISTRIBUTION_ID(+) )
AND ( PO_INV_DIST_ALL.INVOICE_ID(+)=PO_DIST_INV_DIST_ALL.INVOICE_ID )
AND ( PO_INV_DIST_ALL.SOURCE(+) 'XML GATEWAY' )
AND
( NVL(PO_PO_HEADERS_ALL2.CANCEL_FLAG,'N') 'Y' )
AND
( NVL(PO_PO_HEADERS_ALL2.CLOSED_CODE, 'OPEN') 'FINALLY CLOSED' )
AND
( NVL(PO_PO_HEADERS_ALL2.AUTHORIZATION_STATUS,'IN PROCESS') 'REJECTED' )
AND
( TRUNC(PO_PO_HEADERS_ALL2.CREATION_DATE) BETWEEN TO_DATE('01-jan-2011') AND TO_DATE('04-jan-2011') )
AND
PO_Rates_GL_DR.TO_CURRENCY = 'USD'
-
Query can't include an "ORDER BY" clause when having column heading sorting
I'm getting the following error when I try to include "ORDER BY" in my sql statement :
"Your query can't include an "ORDER BY" clause when having column heading sorting enabled"
I have used other sql statements with "ORDER BY" but this is the first time I have come across this and I don't understand why it's going wrong. Does anyone have a suggestion as to how I could fix it? Here is one of the sql statements which I have tried which is giving me the error:
select "ID_NUMBER",
"PROJECT_NAME",
"PROJECT_TYPE",
"OWNER",
"PRIORITY",
"STATUS",
"END_DATE",
"COMMENTS"
from "PROJECT"
WHERE "STATUS" != 'Completed' AND "STATUS" != 'Cancelled'
ORDER BY "END_DATE"
Regards,
Ed.You must deselect column heading sorting that is in the page "Report Attributes" .This is a check box placed on the same line of the element of the report.
bye -
Query Builder - sort order causing ORA-00979 error
Hello,
I'm having an issue with the "sort order" clause in the query builder tool when using a function on the same column.
I've build a simple query in the gui and the following statement is displayed in the SQL Window
select "DEMO_ORDER_ITEMS"."ORDER_ID" as "ORDER_ID",
sum(DEMO_ORDER_ITEMS.QUANTITY) as "QUANTITY"
from "DEMO_ORDER_ITEMS" "DEMO_ORDER_ITEMS"
group by DEMO_ORDER_ITEMS.ORDER_ID
and if I add a sort order of "1" on the quantity field, the following query is changed to
select "DEMO_ORDER_ITEMS"."ORDER_ID" as "ORDER_ID",
sum(DEMO_ORDER_ITEMS.QUANTITY) as "QUANTITY"
from "DEMO_ORDER_ITEMS" "DEMO_ORDER_ITEMS"
group by DEMO_ORDER_ITEMS.ORDER_ID
order by DEMO_ORDER_ITEMS.QUANTITY DESC
When running this query I get an error
failed to parse SQL query:
ORA-00979: not a GROUP BY expression
It is quite obvious what is wrong with the query but I don't know how to get the query builder tool to generate the correct statement. The order by clause should be order by sum(DEMO_ORDER_ITEMS.QUANTITY) DESC.
I've tried to do some searching and haven't found much documentation on this issue. Any assistance is appreciated.
Thanks,
TonyWhile this statement is generally certainly true and should also be remembered, it is not really helpful for the specific case.
I think the behaviour described is a bug. However this might be one a little difficult to solve. The user unfortunatly can't influence much of the query builder results directly.
Either put 1 into the order by clause or use the column alias name without table alias name ("QUANTITY" only).
My personal solution would be NOT TO use any sort criteia in the query builder. This makes sense in so far as the generated SQL is often basis for some report. If that is an interactive report you won't add a sort order anyway. This is a layout thing and layout will be handled by the end user itself. he can choose whatever sorting he wants.
Edited by: Sven W. on Jul 22, 2009 11:43 AM -
Any way to set the sort order other than in the query?
The report has an OrderBy parameter so the user can select which field is used for sorting. The query has an OrderBy clause referencing the parameter. The problem is that it doesn't always pay any attention to the parameter. (Since it appears to be intermittent my suspicion is that it really never pays any attention to it but that sometimes whatever actually is determining the order gives the same results.)
The problem is that putting an OrderBy clause in a query is the only way I know of to determine the output order of a report. Is there any other way?
Thanks.Unfortunately Break Order doesn't seem to be controlling the sort order. I found that the value was set on numerous fields but I've changed them all to None & it still isn't displaying in the order specified by the OrderBy parameter.
Note that this is a 'form layout' report with one page/record so it doesn't really have columns-but the pages are supposed to be printed in the order chosen by the user from a list of values. It doesn't seem to matter what's selected from that list though, the output appears in the same order as if no Order By clause is specified.
Can you think of anything else that would cause the report to ignore the order by clause?
thanks. -
Change Sorting order in F4 Help in BEx Query
Hello All,
My users want to change the sorting order of variable (e.g. Calmonth) in the selection screen (while executing a query).
Currently, by default,the sorting order is ascending on key.
I need to change it to descending on key.
How to change the sorting order for F4 ONLY?
Thanks,
MainakHi,
You can sort the Char.Values by doing settings in Query Designer :
Say for 0calmonth :
In its Display properties tab,You select appropriate options in
Sort Char -> select the name
sort by -> Key/Text
Sort Direction -> Ascending/Descending.
You will then have them in required order.
ALso if you want it only for F4 help:
In F4 help screen,you will see two arrow buttons next to Char. name. they are useful for sorting the values to either descending or ascending.
Hope it helps:)
Edited by: Sriman on Nov 12, 2008 5:17 PM -
Sort order of results in UOW Conformed Query ??
We would like to know what is the expected behavior when a query with ascending ordering or descending ordering is run with UOW conformed.
We know for sure that SQL generated and submit to the database with ORDER BY CLAUSES (which get the data in the database and sorted properly)
However, with a confirm query, the database result will in turn, combine selected objects in the UNIT OF WORK.
Will the combined collection of object be sorted in the prescribed ordering ?
For example:
If in UOW we have some uncommitted CAT object CAT-9, and CAT- 5
In Database we return CAT-1, CAT-3, CAT-7 sorted in ascending order
Will toplink return after the UOW conformed query, a collection in the following order ?
CAT-1, CAT-3, CAT-5, CAT-7, CAT-9 ???
Please advice.
Thank you in advance.No, any new objects that conform to the query will be added to the end of the result set, so may not match the query's sort order.
If you need the conformed results to maintain ordering you can either,
- Sort the results in-memory after executing the query through Collections.sort(List).
- Use a TreeSet as the query resultCollectionClass to sort the query results. -
Query result list sort order in the Service Manager Portal (2012).
Hi there,
I have a setup a user prompt for a request offering in which the values are based on a query results list. When the user prompt is displayed in the portal the order of the items presented based on my query results list is in reverse
alphabetical order (Z to A) instead of traditional A to Z. I can clicked the column header to toggle the sort order, however having to do this is slightly annoying.
My query results list is based on returning the Department field of a specific criteria of template AD user accounts (which are imported into the CMDB via the AD Connector).
Where and how is the sort order defined?
Thanks
BryanHi Bryan,
After a quick test I can see the query results is in a descending order based on the first display column of the query results configuration. In the Request offering wizard I don't see an option for sorting. I don't think it is possible to configure this
out of the box.
But maybe it is possible from a Self Service Portal rendering point of view. Maybe there is a key for it in the settings.xml just like the maximum of query results:
http://blogs.technet.com/b/servicemanager/archive/2011/11/08/advanced-query-results-customization-for-request-offerings.aspx
If this is possible I'm also curious to know how! :)
- Dennis -
Sort order in list wrong: in CAML and in view
Hello,
When I order my list with document sets by ID, the order is wrong. It is wrong in the list and with caml.
This is my view (I just set the sort on the ID column):
The first 4 objects are created by the Client Object Model; the last 4 are created by a SharePoint webpart that I developped myself...
My code for creating document sets in COM is something like this:
ListItemCreationInformation newItemInfo = new ListItemCreationInformation
UnderlyingObjectType = FileSystemObjectType.Folder,
LeafName = _strLeafname // = date in format YYYYMMDDhhmmss
ListItem newListItem = myList.AddItem(newItemInfo);
newListItem["ContentTypeId"] = targetDocumentSetContentType.Id.ToString();
newListItem["Title"] = title;
newListItem.Update();
clientContext.Load(myList);
clientContext.ExecuteQuery();
The code in the webpart is this:
SPContentType docsetCt = myLst.ContentTypes[p.GetFromResourcefile("xxxxxxxxxxxxxx")];
Hashtable properties = new Hashtable
{"DocumentSetDescription", ""},
{"Title", txtTitle.Text}
SPFolder parentFolder = myLst.RootFolder;
int newId = GetLastId(myLst) + 1;
DocumentSet ds = DocumentSet.Create(parentFolder, newId.ToString(CultureInfo.InvariantCulture), docsetCt.Id, properties, true);
ds.Item["Title"] = title
ds.Item.Update();
why is the sort order wrong?
if i do this query in the U2U Caml builder, the order is also wrong
<OrderBy><FieldRef Name='ID' Ascending='FALSE' /></OrderBy>
if i order by "created", the order is also wrong....
i don't get it....Document Sets are great tools for grouping multiple documents together. However, if every set has exactly one document, it would be better to just upload the file and not place it within a Document Set:
Uploading documents using object model - http://msdn.microsoft.com/en-us/library/office/ms454491(v=office.14).aspx
Uploading documents using web services -
http://cecildt.blogspot.com/2010/10/upload-documents-to-sharepoint-2010.html
If you have requirements to use Document Sets, keep in mind that this adds a layer of complexity beyond a simple Document Library. Behind the scenes, each Document Set is treated as a separate folder, and although can you query items within it, there might
be extra steps for getting the sort order to ignore the folder structure. Can you try setting the Scope to be "Recursive" and also specify that you are looking only for files and not folders:
<Eq><FieldRef Name='FSObjType'/><Value Type='Lookup'>1</Value></Eq></Where>
Dimitri Ayrapetov (MCSE: SharePoint) -
Sort(Order by) a cursor by cursor parameter
Hello,
I want to make cursor to query three column data, and order by the paramter when calling store procedure. But the cursor did not order by column name at all.
Any help will be appreciated.
ggu.
My package/procedure:
CREATE OR REPLACE PACKAGE test_PKG AUTHID DEFINER
AS
TYPE REF_CUR IS REF CURSOR;
PROCEDURE test_proc(COLN IN VARCHAR2, OUTCUR OUT REF_CUR);
END test_PKG;
CREATE OR REPLACE PACKAGE BODY TEST_PKG
AS
PROCEDURE test_proc(COLN in varchar2, outcur out ref_cur) IS
BEGIN
IF NOT OUTCUR%ISOPEN
THEN
open OUTCUR FOR
SELECT CPS.PYROL_ID,
CPS.VEND_ID,
CPS.CONT_ID
FROM EPRS.CNTRCTR_PYROL_SUBMIT CPS
ORDER BY COLN; <------What should be here?
END IF;
end test_proc;
end test_pkg;
var results refcursor;
execute test_PKG.test_PROC('Vend_ID', :results);
print results;
It gave me results:
PYROL_ID VEND_ID CONT_ID
193 06883 009214070
196 11756 202101064
205 06507 072202046
206 06507 042202046
207 06507 032202046
208 06883 012202046I could make the question more clear;
I want to query a table, for example, with three columns. The query results should be sorted by one specific column. I want to leave the column to be ordered by as a parameter, how to implment it?
Thanks. -
Mapping in TopLink workbench: Sorting order for one-to-one mapping field
Hi,
we have a requirement; though it is one-to-many relationship, we wanted to map it as one-to-one, so that we get latest of the mappped entity based on attribute:*noOfVisits*. For this, I am trying to make descending order by noOfVisists in workbench; but no provision there.. it is available only for one-to-many relationship;
If I map as one-to-many, I can specify the sorting order; but is there any option to limit the max rows of it to *1*.
Pls suggest the solution; I am trying to avoid to write named query for this; and wanted to get from the entity itself by navigating to one-to-one relationship entity.
Thanks,
Dhana kumar.Hello,
If you want strictly JPA options, I'd either not map it and query for it (which you can then store it in the object if you want in a transient attribute), or map it as 1:M with the order by and have a getSingleVistedChild type method that returns the first element if its noOfVisits value is 1.
Mapping it using the 1:1 as you are asking can be done. All that is required is that you add selection criteria for the query used in the mapping as described here:
http://wiki.eclipse.org/EclipseLink/Examples/JPA/MappingSelectionCriteria
Best Regards,
Chris -
Wrong query results: due to date format?
hello,
I have oracle 11 and when I execute this query:
select MYDATE from mytable order by MYDATE DESC;
it get me a bad order:
MYDATE
25-MAR-09
13-MAR-09
10-MAR-10
10-MAR-10
31-JAN-10
29-JAN-10
28-JAN-10
08-DEC-09
07-DEC-09
06-DEC-09
05-DEC-09
is it may due to a wrong date format?
where have I to look out? init.ora?But, there is no problem at my end (Using Oracle 10.2.0.1 on win xp):
SQL> create table t(mydate date);
Table created.
SQL> insert into t values(to_date('25-MAR-09','DD-MON-YY'));
1 row created.
SQL> insert into t values(to_date('13-MAR-09','DD-MON-YY'));
1 row created.
SQL> insert into t values(to_date('31-JAN-10','DD-MON-YY'));
1 row created.
SQL> insert into t values(to_date('07-DEC-09','DD-MON-YY'));
1 row created.
SQL> insert into t values(to_date('05-DEC-09','DD-MON-YY'));
1 row created.
SQL> insert into t values(to_date('06-DEC-09','DD-MON-YY'));
1 row created.
SQL> insert into t values(to_date('08-DEC-09','DD-MON-YY'));
1 row created.
SQL> insert into t values(to_date('10-MAR-09','DD-MON-YY'));
1 row created.
SQL> insert into t values(to_date('29-JAN-10','DD-MON-YY'));
1 row created.
SQL> insert into t values(to_date('10-MAR-10','DD-MON-YY'));
1 row created.
SQL> insert into t values(to_date('28-JAN-10','DD-MON-YY'));
1 row created.
SQL> select * from t;
MYDATE
25-MAR-09
13-MAR-09
31-JAN-10
07-DEC-09
05-DEC-09
06-DEC-09
08-DEC-09
10-MAR-09
29-JAN-10
10-MAR-10
28-JAN-10
11 rows selected.
SQL> SELECT MYDATE FROM T ORDER BY MYDATE DESC;
MYDATE
10-MAR-10
31-JAN-10
29-JAN-10
28-JAN-10
08-DEC-09
07-DEC-09
06-DEC-09
05-DEC-09
25-MAR-09
13-MAR-09
10-MAR-09
11 rows selected.
SQL> SHOW PARAMETER NLS_DATE;
NAME TYPE VALUE
nls_date_format string
nls_date_language stringCan you show us the output of
show parameter nls_date;
Regards
Girish Sharma
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