ChrisM@Work

Forum Replies Created

Viewing 15 posts - 4,381 through 4,395 (of 10,143 total)

RE: NC Index Seek 51% and select cost 0%?

GilaMonster (7/15/2013)
ChrisM@Work (7/15/2013)
Edit - removed RESULTNUMBER, it's the cluster key.
Why? What if someone changes the clustered index?
It won't matter if OP creates the index I suggested. Since it's covering,...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 15, 2013 at 5:03 am

#1632397
RE: NC Index Seek 51% and select cost 0%?

If you find the time to create the index I suggested, I'd be interested in seeing the execution plan 😉
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 15, 2013 at 4:46 am

#1632388
RE: NC Index Seek 51% and select cost 0%?

ananda.murugesan (7/15/2013)
I modified Query as per your suggestion and fetching result 00 seconds..But NC clustred index seek 50% and .. what could be issues?, Need to change index column? and...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 15, 2013 at 3:41 am

#1632380
RE: NC Index Seek 51% and select cost 0%?

ananda.murugesan (7/14/2013)
thanks for reply... I got the result 00:00:00 seconds after update stats in NC Clustred Index in RESULT Table..
Can you post the actual plan?
Joins in the WHERE clause are...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 15, 2013 at 2:31 am

#1632351
RE: performance of sp

Drop the table variables altogether:
SELECT
a.MemberId,
a.SortOrder ,
a.Status ,
a.ReasonCD ,
a.Active,
r.Rid,
r.RType,
r.Sensitive,
r.Weight,
r.ROI,
r.Program,
r.Mgmt_Ranking,
r.Significant,
(select top 1 Name from library WITH (NoLock)
where rID = r.ruleid) as ruleName,
min(b.analysisasofdate) initiallyIdentified,
max(b.analysisasofdate) mostRecentlyIdentified,
a.category,
v_cnt.ResponseCategoryCount,...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 8:30 am

#1631982
RE: performance of sp

mister.magoo (7/12/2013)
use temporary tables with good indexes
And use temporary tables with columns which match the joins in the query:
inner join @alerts a on a.ruleid = r.ruleid
and a.alertbatchid =...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 8:11 am

#1631973
RE: My sql script not getting all my records

Hi Kath, welcome to ssc!
-- unless you are checking for NULL,
-- referencing a column from an OUTER-joined table
-- will turn the join into an INNER join
-- Here's the...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 6:18 am

#1631906
RE: If Exists

kapil_kk (7/12/2013)
Thanks Chris :-),
In past also you make me learn Tally table n many things, its my pleasure to learn new things from you always.. :-P:-D
You're welcome! I learn something...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 4:16 am

#1631870
RE: If Exists

kapil_kk (7/12/2013)
Chris, I am not clear what you did....
Will this query be work in this manner..
If a voucher is 'Active at Ho' or its status is 'Dispatched' it is correct...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 3:51 am

#1631862
RE: If Exists

Here are queries 3 and 4 condensed in the same way;
SELECT gv.VoucherBookletNo
FROM GV_Voucher v
INNER JOIN GV_VoucherStatus gvs
ON v.VoucherStatusId = gvs.VoucherStatusId
WHERE v.VoucherNo = @Lastvoucher
AND (
(gvs.VoucherStatus =...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 3:41 am

#1631859
RE: If Exists

You can replace the first two queries with one query:
SELECT gv.VoucherNo
FROM GV_Voucher As gv
INNER JOIN GV_VoucherStatus gvs
ON gv.VoucherStatusId = gvs.VoucherStatusId
AND gvs.VoucherStatus = 'Active at HO'
WHERE gv.VoucherNo...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 3:32 am

#1631856
RE: If Exists

Rearrange the first two queries like so:
IF EXISTS
(
SELECT gv.VoucherNo
FROM GV_Voucher As gv
INNER JOIN GV_VoucherStatus gvs
ON gv.VoucherStatusId = gvs.VoucherStatusId
AND gvs.VoucherStatus = 'Active at HO'
INNER JOIN GV_ReceivedOffice...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 3:28 am

#1631855
RE: Data in date column to decrement with one

asifejaz (7/12/2013)
the resolution didnt solve it.
it decrement the first row successfully. when moving to second row instead of decrementing it to one it decrements it to two , then to...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 1:38 am

#1631830
RE: Check series is valid or not

DROP table tbl
CREATE TABLE tbl
(ID int identity, Voucherno varchar(10), numstatus varchar(10)
)
INSERT INTO tbl VALUES
('V0001','Active'),
('V0002','Active'),
('V0003','Active'),
('V0004','InActive'),
('V0005','Active')
DECLARE @firstno varchar(10) = 'V0001',
@scndno varchar(10)...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 1:35 am

#1631828
RE: Data in date column to decrement with one

asifejaz (7/12/2013)
8 months.:angry:
Don't worry, you'll get the hang of it - quicker, if you can attract the attention of someone here on ssc who's in your time zone 😀
Any questions...
^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden

July 12, 2013 at 1:01 am

#1631819

Viewing 15 posts - 4,381 through 4,395 (of 10,143 total)