T-SQL (SS2K8) :: Returning Rows Within Certain Distance In Miles From City Using Longitude And Latitude
Nov 19, 2014
I've got a working query which returns all leads within a supplied proximity to a city. I followed a tutorial I googled a couple months ago (can't find it now). It works, but would love others to look the query over (provided DDL and sample data) and tell me if it's as it should be.
Two things I don't like about query:
1. I have to do a UNION to another query that retrieves everything that is in the same city in order to have complete results.
2. very slow to retrieve results (> 1 minute)
Sample DDL: 2 tables
create table dim_lead
(
date_created datetime,
[contact_first_name] varchar(20),
[contact_last_name] varchar(20),
lead_id int,
[Code] .....
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Jun 14, 2006
I need to be able to take the latitude and logitude of two locations and compare then to determine the number of miles between each point. It doesn't need to account for elevation, but assumes a flat plane with lat and long.
Does anyone have any algorithms in T-SQL to do this?
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Oct 19, 2015
I have been plugging away at this for a bit, and I am curious if there are any methods, functions, code, etc. to plug in latitude and longitude coordinates and get the name of a state as a result.
I have tried using the geography type and its "functions" to no avail.
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Jul 23, 2005
not sure exactly where I should ask this question, but im looking fora database of Australian Postcodes that included thelongitude/latitude.Does anyone know of such a thing? Preferably free...fingers crossed.many thanksjack
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Oct 15, 2015
DECLARE @Latitude NUMERIC(9, 6), @Longitude NUMERIC(9, 6)
DECLARE @MyLatitude NUMERIC(9, 6), @MyLongitude NUMERIC(9, 6)
Set @Latitude = 42.329596;
Set @Longitude = -83.709286;
Set @MyLatitude = 42.430883;
Set @MyLongitude = -82.923642;
Question: How do we calculate the distance in miles between the 2 points.
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Sep 2, 2014
I have a SQL 2012 SP1 environment integrated with SharePoint 2013. I have deployed a Multi-Dimensional Cube, due to the need for role playing dimensions and numerous parent-child hierarchies that can't be 'flattened' out easily, it's for this reason that we have gone multi-dimensional, rather than tabular.
The issue I now face is trying to plot the data on a map in Power View. It has to via Longitude and Latitude or easting and northing if possible. I know if I use PowerPivot, I can query the MD Cube, get my dataset and make sure the model views the lat/long as coordinates and this method works just fine - however, it involves an extra step, the end user must pre-build their query in PowerPivot before they can use the Power View maps and adhoc analysis, this can create a lot of back and forth when refining your query or performing additional 'what if' analysis.
When I create the Report Data Source in SharePoint to connect directly to the MD Cube, rather than going through Power Pivot, it's able to connect, but does not recognise the lat and long fields as Latitude and longitude, nor will it let me manually drag it into the lat and long fields on the field list. If I drag them into the 'location' section, it does not plot correctly.
How to get Power View to plot Latitude and Longitude from a Multi-Dimensional Source without having to go through PowerPivot?
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Feb 9, 2015
I have zip code database and i am trying to get the records based on 100/80/60/40 miles radius. Below the sample structure of my table
Create table ZipCodes(ID bigint primary key identity(1,1),ZipCode varchar(10),
Address varchar(4000), city varchar(50),state varchar(50),Latitude float,Longitude float)If i pass the Zipcode as '10021'
I need to get zipcodes and other details of my table which is 20 mile radius circle.
I Google through and got couple of article explains about using Haversine Formula. Also, following link has a function to calculate the distance.
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Apr 29, 2015
I have the two following locations.
They're both towns in Australia , State of Victoria
Fitzroy,-37.798701, 144.978687
Footscray,-37.799736, 144.899734
After running geography::Point(Latitude, Longitude , 4326) on the latitude and longitude provided for each location, my Geography column for each row is populated with the following:
Fitzroy, 0xE6100000010C292499D53BE642C0A7406667511F6240
Footscray, 0xE6100000010C89B7CEBF5DE642C02D23F59ECA1C6240
In my SQL Query, I have the following which works out the distance between both towns. Geo being my Geography column
DECLARE @s geography = 0xE6100000010C292499D53BE642C0A7406667511F6240 -- Fitzroy
DECLARE @t geography = 0xE6100000010C89B7CEBF5DE642C02D23F59ECA1C6240 -- Footscray
SELECT @s.STDistance(@t)
The result I get is
6954.44911927616
I then looked at formatting this as in Australia we go by KM so after some searching I found two solutions one for Miles and the other KM
So I changed Select statement to look like this
select @s.STDistance(@t)/1000 -- format to KM
My result is then
6.95444911927616
When I go to google maps and do a direction request between the locations provided above it says 10.2km (depending on traffic)
Now I'm new to this spatial data within SQL, why would I get a different result from google maps?
Also I would like to round this number so its easier to use within my where statement so I'm using Ceiling as shown here:
SELECT CEILING(@s.STDistance(@t)/1000)
Is ceiling the correct way to go?
Reason I need to round this is because we are allowing the end user to search by radius so if they pass in 50km I will then say
Where CEILING(@s.STDistance(@t)/1000) < 50
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Mar 11, 2014
Given the following example;
declare @CustIfno table (AccountNumber int, StoreID int, Distance decimal(14,10))
insert into @CustIfno values ('1','44','2.145223'),('1','45','4.567834'),
('1','46','8.4325654'),('2','44','7.8754345'),('2','45','1.54654323'),
('2','46','11.5436543'), ('3','44','9.145223'),('3','45','8.567834'),
('3','46','17.4325654'),('4','44','7.8754345'),('4','45','1.54654323'),
('4','46','11.5436543')
How can I show the shortest Distance by AccountID and StoreID. Results would look like this;
AccountNumberStoreID Distance
1 44 2.1452230000
2 45 1.5465432300
3 45 8.5678340000
4 45 1.5465432300
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Jul 29, 2014
I need to create a TSQL to return MAX(Value) removing the first part and last part.
Example
I have these Varchar Reference code:
1.00001-Q1
2.00100-Q2
3.00005-Q4
I need to cut the string to find the max number excluding (Part1):
1.
2.
3.
And also excluding (Part3):
-Q1
-Q2
-Q4
In this case converting varchar to INT, the correct value that i want is: 00101
The middle part excluding (Part1 and Part3)
Then my final reference could be:
1.00101-Q1
or
2.00101-Q2
or
3.00101-Q4
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Jun 19, 2014
i need to cut my string on 3 portion, for exemple my string is :
a) 1.9999-Q1
b) 01.9999-Q11
I need to keep all values before "." (point), and all values after "-" , and also all values between "." and "-", like this:
a) 1
9999
Q1
b) 01
9999
Q11
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Jul 10, 2014
Here is my setup: I have the following tables -
tblPerson - holds basic person data.
tblPersonHistorical - holds a dated snapshot of the fkPersonId, fkInstitutionId, and fkDepartmentId
tblWebUsers - holds login data specific to a web account, but not every person will have a web account
I want to allow my admins to search for users (persons) with web accounts. They need to be able to search by tblPerson.FirstName, tblPerson.LastName, tblInstitutions.Institution, and tblDepartments.Department. The only way a Person record is joined an Institution or Department record is through many -> many junction table tblPersonHistorical.
People place orders and make decisions in our system. Because people can change institutions and departments, we need an historical snapshot of where they worked at the time they placed an order or made a decision. Of course that means some folks will have multiple historical records. That all works fine.
So when an admin user wants to search for webusers, I only want to return data, if possible, from he most recent/current historical records. This is where I am getting bogged down. When I search for a specific webuser I simply do a TOP 1 and ORDER BY DateCreated DESC. That returns only the current historical record for that person/webuser.
But what if I want to return many different webusers, and only want the TOP 1 historical for each returned?
Straight TOP by itself won't do it.
GROUP BY by itself won't do it.
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Aug 6, 2015
I need to build a query that can return only documents where the field "u_DIM4" for the same document have more than one different value..my script are this one just to having an example:
Select docnome [documentname], adoc [docnr], count(*) [countAlldifferentbyDoc], u_dim4
from fn
where u_dim4 <> '' and data between '2015-01-01' and '2015-07-31'
AND adoc = '02634'
Group by docnome,adoc,u_dim4
ORDER BY 2 asc
[code]...
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Aug 5, 2014
I managed to transpose rows into columns.
;WITH
ctePreAgg AS
(
select top 500 act_reference "ActivityRef",
row_number() over (partition by act_reference order by act_reference) as rowno,
t3.s_initials "Initials"
from mytablestuff
order by act_reference
[code]...
But what I would love to do next is take each of the above rows - and return the initials either in one column with all the nulls and duplicate values removed, separated by a comma ..
ref, initials
Ag-4xYS
Ag-6xYS,BL
Ap-1xKW
At-2x SAS,CW
At-3x SAS,CW
OR the above but using variable number of columns based on the maximum number of different initials for each row.this is not strictly required, but maybe neater for further work on the view
ref, init1,init2
Ag-4xYS
Ag-6xYS,BL
Ap-1xKW
At-2x SAS,CW
At-3x SAS,CW
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Jul 3, 2014
Actually title should be returns true when should false.
I want to check a table to see if a record already exists, if it doesn't then insert it, else do nothing:
IF NOT EXISTS
(SELECT 1 FROM Table1 WHERE col1 = 'Test')
BEGIN
INSERT INTO Table1 (col1) VALUES ('Test')
END
The value 'Test' is already in the database yet, the code is saying it's not and trying to insert it, resulting in duplicate key errors.
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May 13, 2015
I have a UDF with a select * that works fine in one region (DEV) but not another (QC). It's not returning the last 2 columns from the table in QC.I looked at the UDF and it does a fairly simple select:
select a.*
from myTable A
The table is the same in both regions and I did a sp_help on the table to ensure these 2 columns are listed. They are. Also, executing a select * in a query windows does return the final 2 columns from the table in QC. The issue resides in the QC version of the UDF only.
The UDF has already been updated to retrieve all columns by name but I'm curious why this would happen. For some reason I'd just like to know and in case it happens again.
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Mar 11, 2015
Firstly may I say that the sproc I am having problems with and the service that calls it is inherited technical debt from an unsupervised contractor. We are not able to go through a rewriting process at the moment so need to live with this if possible.
Background
We have a service written in c# that is processing packages of xml that contain up to 100 elements of goods consignment data. In amongst that element is an identifier for each consignment. This is nvarchar(22) in our table. I have not observed any IDs that are different in length in the XML element.
The service picks up these packages from MSMQ, extracts the data using XPATH and passes the ID into the SPROC in question. This searches for the ID in one of our tables and returns a bool to the service indicating whether it was found or not. If found then we add a new row to another table. If not found then it ignores and continues processing.
Observations
The service seems to be dealing with a top end of around 10 messages a minute... so a max of about 1000 calls to the SPROC per minute. Multi-threading has been used to process these packages but as I am assured, sprocs are threadsafe. It is completing the calls without issue but intermittently it will return FALSE. For these IDs I am observing that they exist on the table mostly (there are the odd exceptions where they are legitimately missing). e.g Yesterday I was watching the logs and on seeing a message saying that an ID had not been found I checked the database and could see that the ID had been entered a day earlier according to an Entered Timestamp.
So the Sproc...
USE [xxxxxxxxxx]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
[Code]....
So on occasions (about 0.33% of the time) it is failing to get a bit 1 setting in @bFound after the SELECT TOP(1).
The only suggestions I can make have been...
change @pIdentifier nvarchar(25) to nvarchar(22)
Trim any potential blanks from either side of both parts of the identifier comparison
Change the SELECT TOP(1) to an EXISTS
The only other thought is the two way parameter direction in the C# for the result OUTPUT. Not sure why he did it that way or what the purpose is.
I have been unable to replicate this using a test app and our test databases. Has observed selects failing to find even though the data is there, like this before?
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Aug 20, 2013
Is it possible to return the results of a stored procedure into either a CTE or temp table?
In other words, is it possible to do this:
with someCTE as (
exec someStoredProc
)
or this:
exec someStoredProc into #tempTable
???
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Jun 3, 2014
I am using MSSQL Server 2008R2 and I am interested in returning rows from a 'financial' table that fall within the current year (each row contains a 'Entered Date'). I am located in Australia so my financial year consists of all entries between the date 01/07/xx to the 30/06/yy.
Perhaps using the datediff() function, or other functions as required to achieve what I need?
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Dec 2, 2014
I am trying to find a way to lock rows of data used in a SELECT query from being read by another SELECT query.
I could do a "begin tran - select - update - rollback" sequence but was wondering if there is a cleaner way to do this??
Tried UPDLOCK, ROWLOCK, TABLOCK, HOLDLOCK in multiple variations but none seem to block the select.
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Oct 28, 2014
I have 3 tables...
JobRequirements (A)
JobID int
QualificationTypeID int
EmployeeQualifications (B)
EmployeeID int
QualificationTypeID int
Employee (C)
EmployeeID int
EmployeeName int
I need to return a list of all employees fit for a specific job ... The criteria is that only employees who have all the JobRequirements are returned. So if a job had 3 requirements and the employee had just 2 of those qualifications, they would not be returned. Likewise, the employee might have more qualifications than the job requires, but unless the employee has all the specific qualifications the job requires they are not included. If an employee has all the job qualifications plus they have extra qualifications then they should be returned...
How to only return those records where all the child records are present in the other table..
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Oct 22, 2001
Greetings!
I need to run a select statement that only returns 50 rows. How do I limit the amount of rows returned? Normally the query will return hundreds of rows but all I need is the first 50 it retrieves. I have looked in the BOL and can only find help with a block cursor not just a query.
Thanks a million
zachary
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Mar 7, 2008
Using MS SQLServer 2000
Is there a way to create a query that will return only 1 row within a join for example:
select a,b,c,d
from tbl1
inner join tbl2 on top 1 tbl2.a = tbl1.a <-- return only the top record here...
I dont have too much of a problem with joins... however I was wondering if there was a mechanism to just specify what would be the top most record from a join clause.
thanks
Kevin
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Jun 30, 2006
I have a query set up that returns the data that I would like, but Iwould only like the latest data for each vehicle number. The query Ihave set up isSELECT TOP 100 PERCENT dbo.vwEvents.EventName,dbo.luSessionAll.SessionName, dbo.luOuting.OutingNumber,dbo.luVehicle.VehicleName, dbo.luOuting.OutingID,dbo.tblOutings.OutingStartTime,dbo.tblSessions.Ses sionDate,dbo.tblSessions.SessionStartTimeFROM dbo.vwSessions INNER JOIN dbo.vwEvents ONdbo.vwSessions.Event = dbo.vwEvents.EventIDINNER JOINdbo.luSessionAll ON dbo.vwEvents.EventID =dbo.luSessionAll.Event INNER JOINdbo.luOuting ON dbo.luSessionAll.SessionID =dbo.luOuting.SessionID INNER JOINdbo.luVehicle ON dbo.luSessionAll.Vehicle =dbo.luVehicle.VehicleID INNER JOINdbo.tblOutings ON dbo.luOuting.OutingID =dbo.tblOutings.OutingID INNER JOINdbo.tblSessions ON dbo.tblOutings.[Session] =dbo.tblSessions.SessionIDGROUP BY dbo.vwEvents.EventName, dbo.luSessionAll.SessionName,dbo.luOuting.OutingNumber, dbo.luVehicle.VehicleName,dbo.luOuting.OutingID, dbo.tblOutings.OutingStartTime,dbo.tblSessions.SessionStartTime, dbo.tblSessions.SessionDateORDER BY dbo.luVehicle.VehicleName, dbo.tblSessions.SessionDate,dbo.tblSessions.SessionStartTime, dbo.tblOutings.OutingStartTimethis returns all the outings. I would like the outing that has, inorder of importance, the latest session date, latest session time andlatest outing start time. Outing start time can sometimes be <<Null>>but the other two always have values. How would I go about doing this?thanks in advance for any help
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Mar 23, 2007
I have a stored procedure below that returns a table of coaches. It worked before now it does not. It returns nothing, in vistual studio 2005 and on my asp.net webpage. But when I execute it in query analyzer with just SELECT * FROM Coaches it returns the rows. There is no error just will not return what I need. I recreated the database and stored procedure still doing the same thing. Any ideas? Would this be on my server hosting side? ALTER PROCEDURE [dbo].[GetCo]ASSELECT * FROM Coaches
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Aug 9, 2007
Hi All:
My below sub in application is returning only the Header Row instead of the relevant rows I guess therez problem in my "str" Syntax. However I fail to understand where exactly is it faultering. Private Sub btnSearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSearch.Click
Try
con.Open()Dim empID As String = txtEmpID.Text
Dim FName As String = txtFName.Text
Dim LName As String = txtLName.TextDim str As String = "Select Emp_ID, Emp_FName,Emp_LName,Emp_Address1,Emp_HNo,Emp_MNo from Emp_Details where Emp_ID='" & empID & " ' Or Emp_LName='" & LName & " ' Or Emp_FName=' " & FName & "'"""Dim da1 As New SqlDataAdapter(str, con)
da1.Fill(ds, "Emp_Details")
dgEmp.DataSource = ds
dgEmp.DataMember = "Emp_Details"
dgEmp.DataBind()
Finally
con.Close()
End Try
End Sub
Thanks in Advance for your quick help.
Regards,
Brandy
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Oct 10, 2007
TotalSelected.Value = SqlDataSource1.SelectCommand = "SELECT COUNT(*) FROM tblNews";
the reason i am tring to do this is so if i can find out the amount of rows before sqldatasource selects for details view then i can make the sqldataesource select depends on total minus 5 so e.g. if total 200 then - 5 so i can select bottom 195 so it misses top 5 for details view any1 any ideas?
Thanks Andy,
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Mar 16, 2004
Hi,
I created a temporary table inside a stored procedure called TmpCursor and the last time I include this..
Select * from #TmpSummary
GO
Inside my web page, I have the following code...
QrySummary = "Exec TmpCursor"
Set rsSummary = Server.CreateObject("ADODB.RecordSet")
rsSummary.Open QrySummary, cnCentral
cnCentral is my sqlconnection string..
This is the error I got when viewing the page
Error Type:
ADODB.Recordset (0x800A0E78)
Operation is not allowed when the object is closed.
BTW, the stored procedure works fine in Query Analyzer.
TIA
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Apr 28, 2005
I would like to return the the Primary Key of the row altered from this query - what changes do I need to make?
UPDATE Members SET LastLog = @time WHERE UserName=@user AND Password=@pass;
Thanks in advance,
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Mar 13, 2006
I was racking my brains trying to figure out why SomeCommand.ExecuteNonQuery() was not returning any rows...
SQL Server 2005 likes to put the SET NOCOUNT ON statement in every stored procedure you write. By hiding the count of records touched by your query, you also disable the results to be consumed by your application.
So I don't recommend using this statement for your stored procedures and ASP.NET applications, as this functionality is fairly critical for error trapping.
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Apr 19, 2001
This question has been posted on the site before but I could not find any resolution....I want to return rows 11 - 20 from a query that returns 100 records without using a cursor or temp table.
The closest query I have found is a query that numbers the rows, but I can't seem to use rownumber in a between clause...
Use Pubs
SELECT emp_id, lname, fname, job_id,
(SELECT COUNT(*) FROM employee e2 WHERE e2.emp_id <= e.emp_id AND e2.job_id = 10) AS rownumber
FROM employee e
WHERE job_id = 10
ORDER BY emp_id
Thanks,
Jim
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Aug 29, 2005
I have two tables and I want to return data from both. Currently my select statement is returning just 1 child record for each parent record and I want to return all child records that match the parent record.
Here's a sample of my tables/data/etc.
t1
------------
speciesid | species
1 | Mammals
2 | Rodents
3 | Reptiles
t2
---------
animalid | animal
3 | Skink
3 | Iguana
3 | Rattlesnake
2 | Meerkat
1 | Hippo
1 | Elk
What I want to do is pull up a list of all the species and under each list all the animals currently listed under that species.
So the result I want should look like:
Mammals (Hippo, Elk)
Reptiles (Skink, Iguana, Rattlesnake)
Rodents (Meerkat)
so currently I have:
SELECT A.animalid, S.speciesid, A.animal, S.species from t2 as A, t1 as S where S.speciesid=A.animalid order by species
this works great, it's just that it only returns one animal instead of all of the animals. Any help would be appreciated.
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Jun 13, 2002
Say you have a table that contains 1000 rows, you create a simple select statement with a where clause that returns 100 or so of those rows. Easy enough.
Now, let's say that you wish to modify that select so that out of the 100 rows that match the where clause criteria, you only wish to return 10 rows randomly (i.e., you could run this query multiple times and get different results). How exactly would you go about doing this, efficiently?
I've thought about creating a stored procedure that will query the initial 100 rows into a temp table with an additional column (to number the rows from 1 to 100). Then setting up a loop (10 iterations) that will then generate a random number from 1 to 100 and select that row number into another temp table. At the end of the loop I'll have my table of randomly selected records. I am sure there is probably a better way to do this...
~Mike
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