ChrisM@Work

Forum Replies Created

Viewing 15 posts - 5,326 through 5,340 (of 10,143 total)

RE: How to get latest Records based on Date column

Can you write a SELECT which returns the rows you want to copy? If not, what's the date range which identifies rows to copy? This is trivial, is it homework?
^{“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

January 16, 2013 at 6:54 am

#1577804
RE: Monthly Aggregation

You may find this modification easier to work with:
SELECT
x.MonthNo,
x.[Year],
x.[Month],
COUNT(doclinkid) as Registered, -- is this correct?
COUNT(DISTINCT doclinkid) as Registered, -- OR is this correct?
SUM(x.Finalised) as Finalised,
COUNT(*) -...
^{“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

January 16, 2013 at 1:53 am

#1577697
RE: Better Way to Perform this Query

wolfkillj (1/15/2013)
dwain.c (1/15/2013)
wolfkillj (1/15/2013)
I've been working on a set-based T-SQL solution to determine the Damerau-Levenshtein Distance between two strings. (DLD distance is just like LD - the number of changes...
^{“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

January 16, 2013 at 1:02 am

#1577671
RE: Better Way to Perform this Query

Alan.B (1/14/2013)
Jeff Moden (1/10/2013)
Alan.B (1/10/2013)
This morning before work for example, after a lot of effort, I finally figured out how to get the Levenshtein Edit Distance between 2 strings without...
^{“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

January 15, 2013 at 6:29 am

#1577308
RE: SQL Query

pwalter83 (1/15/2013)
ChrisM@Work (1/11/2013)
Hi Paul
I'll try to have a look over the weekend. Meantime, it's the last 5 mins of my last day here - and it's BEERTIME!
Cheers
ChrisM
Hi Chris,
I am still...
^{“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

January 15, 2013 at 3:32 am

#1577223
RE: How to join Values

SELECT 'D' + LEFT(CAST(num AS VARCHAR(4))+'0000',4)
FROM abc
SELECT ISNULL('D' + LEFT(CAST(NULLIF(num,0) AS VARCHAR(4))+'0000',4),'0')
FROM abc
^{“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

January 15, 2013 at 1:35 am

#1577176
RE: how top clause works

sej2008 (1/15/2013)
I found that TOP clause works little randomly with
Select TOP 50 percent * from Tablename as it is not giving exact 50 percent in my result set .how it...
^{“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

January 15, 2013 at 1:24 am

#1577170
RE: SQL Query

Hi Paul
I'll try to have a look over the weekend. Meantime, it's the last 5 mins of my last day here - and it's BEERTIME!
Cheers
ChrisM
^{“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

January 11, 2013 at 9:40 am

#1576402
RE: SQL Query

pwalter83 (1/11/2013)
ChrisM@Work (1/11/2013)
I think this better fits the spec:
SELECT SUM(teu) AS TEU
FROM NCV_BL ncv
JOIN MG_VSLVOY_HEADER vh
ON ncv.saisan_VESSEL_CD = vh.VESSEL_CD
AND ncv.saisan_VOYAGE_CD = vh.VOYAGE_NUM
AND ncv.saisan_LEG_CD = vh.LEG_CD
JOIN MG_VSLVOY_PORT_CONTROL vpc
ON...
^{“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

January 11, 2013 at 8:50 am

#1576365
RE: SQL Query

I think this better fits the spec:
SELECT SUM(teu) AS TEU
FROM NCV_BL ncv
JOIN MG_VSLVOY_HEADER vh
ON ncv.saisan_VESSEL_CD = vh.VESSEL_CD
AND ncv.saisan_VOYAGE_CD = vh.VOYAGE_NUM
AND ncv.saisan_LEG_CD = vh.LEG_CD
JOIN MG_VSLVOY_PORT_CONTROL vpc
ON vh.VSLVOY_HEADER_ID =...
^{“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

January 11, 2013 at 8:23 am

#1576336
RE: SQL Query

Why do you need to join to the other tables if they aren't contributing to the query, either as output or as a filter?
^{“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

January 11, 2013 at 8:06 am

#1576318
RE: SQL Query

pwalter83 (1/11/2013)
ChrisM@Work (1/11/2013)
Paul, which table contains column 'teu'? (and 'BL_ID')
Put that table first in the FROM list and inner join the other tables.
Comment out all of the joins 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

January 11, 2013 at 7:30 am

#1576296
RE: SQL Query

Paul, which table contains column 'teu'? (and 'BL_ID')
Put that table first in the FROM list and inner join the other tables.
Comment out all of the joins to the other...
^{“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

January 11, 2013 at 7:12 am

#1576275
RE: Batch move/deletion of records

Composable dml:
INSERT INTO DataStaging_Archive (URN, DateProcessed, AnotherColumn, LastRemainingColumn)
SELECT URN, DateProcessed, AnotherColumn, LastRemainingColumn
FROM (
DELETE TOP (@Batchsize) -- note: no order by, rows picked at random, see BOL
FROM DataStaging ds
...
^{“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

January 9, 2013 at 8:46 am

#1575299
RE: add 200 million new products

gchappell (1/8/2013)
my company wishes to add 200 million new products in the next 10 days. Does sql server 2012 have any limits as to how much data can be added...
^{“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

January 9, 2013 at 6:26 am

#1575207

Viewing 15 posts - 5,326 through 5,340 (of 10,143 total)