Advanced Joins
May 11, 2006
Here's a challenge for one of those database experts out there...
I want to join two tables in a Left Join format, with the first table being the one referencing the second table. Easy enough right? Well, I also want to be able to reference this second table from 3 different fields.
For example:
My tables
#1: video
id, description ...etc... award1, award2, award3
#2: award
id, description, image, etc...
As you can see, I want to be able to award more than 1 award from the "award" table to each video in the "video" table. I then want to be able to assign a variable to each field from the result of the SQL query so I can display all the information on one page for every video with every combination of possible awards.
I also, in my SQL Query, want a WHERE clause:
WHERE video.id = $vidid (a variable from a previous page so this page only displays the video I want)
My mind says surely this must be possible, but I have no idea how to go about it. Can anyone give me any hints/help/pointers/advice on this? Even if this requires two SQL queries, I may be able to work with that, but I need to know. If I'm posting at the wrong place, or nobody here knows how to do this, then I would also really appreciate being pointed in the right direction.
Thanks in advance to anyone who even reads this and thinks over it. This is for a free online fan site http://www.lostvideo.net/ that I'm helping with some redesigns.
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Nov 3, 2000
We find that a delete command on a table where the rows to be deleted involve an inner join between the table and a view formed with an outer join sometimes works, sometimes gives error 625.
If the delete is recoded to use the join key word instead of the = sign
then it alway gives error 4425.
625 21 0 Could not retrieve row from logical page %S_PGID by RID because the entry in the offset table (%d) for that RID (%d) is less than or equal to 0. 1033
4425 16 0 Cannot specify outer join operators in a query containing joined tables. View '%.*ls' contains outer join operators.
The delete with a correleted sub query instead of a join works.
Error 4425 text would imply that joins with view formed by outer joins should be avoided.
Any ideas on the principles involved here.
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Aug 11, 2005
SQL Server 2000Howdy All.Is it going to be faster to join several tables together and thenselect what I need from the set or is it more efficient to select onlythose columns I need in each of the tables and then join them together?The joins are all Integer primary keys and the tables are all about thesame.I need the fastest most efficient method to extract the data as thisquery is one of the most used in the system.Thanks,Craig
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Oct 12, 1999
Hi,
Why is it that SQL joins (*=) run a little faster as opposed to ANSI joins(LEFT JOIN...)? Aren't they supposed to be almost identical?
The issue is this: we are promoting using ANSI syntax for the obvious reason (future versions of SQL Server may not support SQL Server syntax; portability, etc.)
However, the problem is the speed. What have others done about this? Do you use ANSI syntax or SQL syntax? HOw true is it that future SQL Server versions may discontinue support for the '*=" and "=*' join operators.
Angel
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Feb 29, 2008
I have four tables which I want to return results for an advanced search function, the tables contain different data, but can be quite easily joined,
Table A Contains a Main Image, this image is displayed in the results
Table B Contains an Icon, this image is displayed in the results
Table C doesn't have an image in it but has a child table with a number of images associated to the table, in the UNION ALL statement I would Like to do a Join to get say the top Image from this child and print it for the row associated with table C.
Select title, description, image from tableA
UNION ALL
Select title, description, icon as image from tableB
UNION ALL
title, description, ( inner Join SELECT top(1)
from imageTableC where imagetableC.FK = tableC.PK)
as image from tableC
Could someone show me the syntax to do this, I have all the information printing to the screen, bar this table C image.
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Sep 1, 2005
Hi All,
Im having a problem with a statement i cannot seem to get 2 left joins working at the same time 1 works fine but when i try the second join i get this error:-
Microsoft OLE DB Provider for ODBC Drivers error '80040e14'
[Microsoft][ODBC Microsoft Access Driver] Syntax error (missing operator) in query expression 'children_tutorial.school_id=schools.idx LEFT JOIN regions ON children_tutorial.region_id=region.idx'.
My SQL statment is as follows :-
SELECT children_tutorial.*,schools.schoolname,regions.rname FROM children_tutorial LEFT JOIN schools ON children_tutorial.school_id=schools.idx LEFT JOIN regions ON children_tutorial.region_id=region.idx
I am using an Access database i have tried all sorts to get it working and its driving me mad!! any help would be really appreciated.
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Oct 19, 2005
Here's one for one of you SQL genuises out there. I really appreciate any help that I can get. There are several steps to this.Step 1:I have a database that holds timesheet records for users. These records are by week. I need a query that will return the username of the people that have entered 0 time for all of their timesheets in the database.Step 2:I need a query that will delete and timesheets that have 0 time entered after the last timesheet with time entered. If they entered time in week 3 but have 0 time for week 4 and 5 and then are withdrawn at week 5 I need to remove timesheets for week 4 and 5. Note, they could have entered 0 for week 2 as long as week three has time entered.Step 3: - THIS IS THE MONSTER-Since the timesheets are by week, I need to find the date that the last time was entered. The timesheet has a start-date then suntime, montime, tuetime, wedtime etc. Sunday would equal the week start-date. So, if time was last entered on Friday, the date that I'm looking for is the start-date + 5. My problem is, How do I go about doing this? I've been trying to do it all in a query to no avail.I really appreciate any assistance that anyone can offer.Thank you,Still learning........-Scott
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Oct 18, 2007
Hi
I'm new in Reporting Services and I have a task to solve. I wonder how to do it in Reporting Services.
For example I have few records:
ID
Year
Q1
Q2
Q3
Q4
1
2005
0
0
10
20
2
2006
20
20
35
35
3
2007
40
45
45
10 Now I create two parameters:
Q and Year
When I run this report I want to choose for example Year = 2006, and Q = 3
When I choose these values I need to calculate a field in report like this:
needed_sum = 0(Q1,year=2005) + 0(Q2,year=2005) + 10(Q3,year=2005) + 20(Q4,year=2005) + 20(Q1,year=2006) + 20(Q2,year=2006) + 35(Q3,year=2006)
I need to declare variables, like it is calculating on a section in other reports systems. Here I found only code for report where I can write some functions.
Anyway..
Did someone knows how to solve this problematic task??
Regards
Bashay
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Aug 15, 2006
Hi, Using Visual Web Developer and SQL Express, (coding in Csharp) I want to add a
advanced search facility to my site. Problem is I do not know how to begin.
The website is a business directory and displays company names and services that they provide.
Here is where I am at....
So far I have made one query which allows users to search the database by "town" such as if they enter "London" in the text box, it returns the relevant records into a gridview.
Rather than have a seperate text box for each query, I want to provide an advanced search box option so users can define their search and query the database by various criterias, such as geography, sector, name, number of employees in companies etc.
I have seen compact advanced search boxes on many sites!.
Replies greatly appreciated.
prontonet
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Jun 19, 2008
I want to query a database through a ASP.NET page and I want to set the page up like an advanced search page would look. My question is, how do I write the stored procedure and/or what value do I pass from ASP.NET to accomplish null or blank values. For instance, if someone wants to query by TRIP id and not vehicle ID then how do I write the where claue?
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Feb 7, 2006
I have the following figured out, however what I want to do is almost come up with a new column based on if the row actually exists in the employeeeval column:
SELECT e.DeptID, e.LastName + ', ' + e.FirstName AS EmpName, e.EmployeeID, u.UserName FROM Employee e LEFT OUTER JOIN EmployeeEval ev ON e.EmployeeID = ev.EmployeeID LEFT OUTER JOIN [User] u ON u.Department = e.DeptID WHERE (u.RoleID = 'supervisor') AND (e.CompanyID = @CompanyID) AND (e.FacilityID = @FacilityID) AND (ev.PersonalScore IS NULL) ORDER BY e.DeptID, e.LastName
so in my select I want to add something like ev.approved which then that brings back either Null or 0. Then based on that create a variable to bring back as a string and if it = 0 make my string say 'In Progress' and if it's Null, say 'Not Started'. I would imagine I would need a Declare @Status nvarchar(15) --- but I get lost after that b/c wouldn't I need some sort of way to count throught the rows of my result set and do an IF statement? I can't quite figure this process out, after numerous attempts.
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Mar 5, 2001
Hello.
I want to order a resultset from a table by two columns in another table. Here's how it looks:
[Books]
ID
Title
[linkBookAuthor]
BookID (Books.ID)
AuthorID (Authors.ID)
[Authors]
ID
Firstname
Lastname
AuthorOrder
As you can see it's a many to many relationship. Is there a way to order the books by Authors.Lastname (the first if there are several authors) with one query ? If not, what is the fastest way ? I don't need the names in the resultset so I only want to order the books by Authors.Lastname, not include Authors.Lastname.
Thanks for any help.
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Nov 29, 2005
Dear All,
Can you suggest a good book or set of websites which have advanced SQL tutorials for SQL server? Got the basics but looking to build on my knowledge.
...cause knowledge is power...
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Mar 22, 2006
Keri writes "I am still a SQL newbe, but have learned a lot in the past year. I am not creating databases, nor maintaining our SQL Server 2000. I am a report writer and use Query Analyzer for the base of my reports. I use Actuate to develop the reports. My question is, i am interested in getting a book that covers more advanced querying. I have the book The Guru's Guide to Transact-SQL, but am intested in other books to further my growth and education in SQL. Can you suggest some books that deal with queries-advanced primarily since i really am not designing or maintaining the DB. Thanks for any information you can give.
Sincerely,
Keri Taylor"
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Jul 20, 2005
I have been able to get several basic databases to function both in playingaround and functional ones on the web but they have all been pretty simple.I am now trying to develop a database for the web using Access. What I amreally needing help with is how to actually reduce the number of record setsthat I think i am going to need. Here is what I am trying to do.I am having people sign up and create teams. So you come to the site and yousee Team 1, Team 2... Team 8. (These numbers will later be replaced by realnames given by the team captains and replaced in the database, this will bedone by the captain through the web)You pick a team you want to be on, enterthe info and you are placed on that team (in the database) I have two tablesin the database TeamRoster (everyone on all of the teams) and Teams (Listthe captains and the names of their team)So when I query the database to fill the tables I am confused as to how Ishould go about the query. As I see it I need to build a RS (Record Set) foreach team to get the name of the team for the appropriate table, thenpopulate it with the players for that team (repeating region) if there areeight teams, that means 16 RS. This does not seem right.Am I making any sense?Thanks for trying to understand all of this.Houston
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Aug 3, 2007
I have two tables X and Y which need to join together. Table X has an ID field which connects to an ID field in Table Y. My problem is the ID field in Table X can contain multiple ID's EX:
Table X
ID
-------
2,1,4,
2,5,
1,
3,1,2,4,
ect...
whereas the ID field in Table Y contains one ID in each row EX:
Table Y
ID Color
------- -------
1 Green
2 Blue
3 Red
4 Yellow
5 Orange
ect...
Is there a way to join these two tables together? I need the output to be...
ID Color
------ -------
2,1,4, Blue,Green,Yellow
2,5, Blue, Orange
1, Green
3,1,2,4, Red, Green, Blue, Yellow
ect...
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Nov 7, 2007
When one requirement says that MS SQL Server 2005 with Advanced Services is required, what does it mean by "Advanced Services"? Doesn't the full version of SQL2005 include all the advanced services? What are advanced services? I've seen the Express version with Advanced Services but this is the full version I'm talking about.
Thank you all in advance.
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Oct 5, 2006
I have a table full of Latitudes, Longitudes, address, customername, etc. , I need to grab some input(Latitude, Longitude, range) from the user. So now I have a source lat, long(user) and destination lat, long(rows in dbase). I need to take the 2 points and compute a distance from the user given lat, long to every lat, long in the database and check that distance againt the range given from the user. If the distance is below the range, I need to put that row into a temp table and return the temp table at the end of the stored proc. As of right now I am completely lost and need some guidance. I would also like to be able to add the computed distance to a table. Here is the function and stored procedure i have so far...ALTER PROCEDURE [dbo].[sp_getDistance] @srcLat numeric(18,6), @srcLong numeric(18,6), @range intASBEGIN SET NOCOUNT ON; SELECT * FROM dbo.PL_CustomerGeoCode cg WHERE dbo.fn_computeDistance(@srcLat, cg.geocodeLat, @srcLong, cg.geocodeLong) < @rangeEND CREATE FUNCTION fn_computeDistance ( -- Add the parameters for the function here @lat1 numeric(18,6), @lat2 numeric(18,6), @long1 numeric(18,6), @long2 numeric(18,6))RETURNS numeric(18,6)ASBEGIN -- Declare the return variable here DECLARE @dist numeric(18,6) IF ((@lat1 = @lat2) AND (@long1 = @long2)) SELECT @dist = 0.0 ELSE IF (((sin(@lat1)*sin(@lat2))+(cos(@lat1)*cos(@lat2)*cos(@long1-@long2)))) > 1.0 SELECT @dist = 3963.1*acos(1.0) ELSE SELECT @dist = 3963.1*acos((sin(@lat1)*sin(@lat2))+(cos(@lat1)*cos(@lat2)*cos(@long1-@long2))) -- Return the result of the function RETURN @dist Thanks, Kyle
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Mar 13, 2007
Hello, I am trying to bind a sqldatasource control to the gridview.
I have selected the sqldatasource control and specified the connection string, on configure Select statement page under advanced options both the check marks
Generate INSERT, UPDATE and DELETE Statements
Use Optimistic Concurrency
are disabled for me.I have a proper SQL Server database not an express data base, how do i get to generate the InserCommand, EditCommand etc
Any help would be great .. relatively new here
thanks
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Apr 19, 2007
Hi!
a) PROBLEM 1:
I have set up my main database like this (of course I'm showing an abbreviation):
company - int (identity)name - nchar
I have several companies stored in the previous table. Now I have another table with messages:
company - int (related with the company of the previous table)messageID - int (identity)contents - nchar
company and messageID are the main key of this table. I want to set the messageID column to change automatically. Since I declared it as identity it is working fine, but I was looking to start it on 0 on every new company:
Company messageID0 00 10 21 0 <- Here the company changed, so the messageID resets1 11 21 32 0 <- Again2 1
Any suggestions?
b) PROBLEM 2:I have my database stored locally on my computer. When I finished working with the database it has a lot of data for testing. I want to upload the database to my hosting provider or to my customer's. But the identity columns keep incrementing since the last value of my tests, so it's kind of annoying to see values as: 1250, 223, etc. when I expect to see 0,1, 2 and so on. Also, for receipts this is a very important issue.
How can I reset the identity fields?
Thank you very much for your attention and help.
CT
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May 13, 2007
Advanced SQL generations options:
generate INSERT, UPDATE, and DELETE statements is all greyed out?
in my sql data source control.?
I have made a brand new instance with sql server management express....have I missed something?
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Jan 9, 2008
Hi There,
I know this might be slighty off topic, but (apart from the CPU, RAM & DB size limits) does anyone know if Express SQL server has any performance / concurrent connection restrictions when compared to SQL 2005 Standard?
Many thanks
Ben
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May 25, 2004
Hello,
(Excuse my english, i'm a french man)
I want to make a stored procedure on that model :
CREATE Procedure SGCP_GetEleveArgs
(
@Arg1 nVarChar,
@Val1 nVarChar
)
AS
SELECT *
FROM Eleve
WHERE @Arg1 = @Val1
So you understand that i want to pass my argument (@Arg1) as a field of a column.
but it gives :
WHERE 'Nom' = 'Dupont'
but i want to have :
WHERE Nom = Dupont
for it to work.
Have you an idea to solve that problem ?
Thanx
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May 31, 2006
Hi,
I would like exploring Reporting Services associated with SQL Express Edition so i tried installing "SQLEXPR_ADV_.EXE" the package available on download SQL site, but after having selected Reporting Services option I've got an error explaining that component "sqlserver2005_bc.msi" is to be changed.
As this component is part of "SQLEXPR_ADV_.EXE" package is there anybody knowing an alternative solution ?
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Apr 18, 2001
I want to run a query overnight through the SQL agent using osql. However I need to turn off the print header option that you normally turn off through the advanced options tab in the Query Analyzer. Does anyone know if this is possible?? Many Thanks in advance..
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Feb 27, 2001
Has anybody used the "Use fast load" or "Table lock" options in the advanced DTS package properties ? These are supposed to be in the Advanced tab of the Data Transformation Properties dialog box. I cannot seen to find them. I want to set them in order to have the load execute in nonlogged mode. Any help would be very much appreciated.
Thanks in advance.
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Mar 28, 2006
Hello, Can anyone direct me to some sample charts created with 2000 Reporting Services? Looking for the advanced capabilities and quality of the charts.
Thanks
SactoJoe
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Apr 17, 2006
Hi,
Since I am new to DTSs therefore currently I am making my DTSs in a manner where there probably is a room for improvement e.g. When I have to Import data from one server to another I use the Import feature and then I go through all the steps of the wizard (at the end of which I get the option to save my DTS)....
In the DTS "design window" there are many options under the TASK menu option and is there a url from where I can learn how to use these options (under TASK i.e. File Transfer Protocaol task, ActiveX Script Task, Transform Data Task, etc. etc.).
Maybe if I know how to use these options, I might be able to write my DTS in better and flexible manner...
Hope my posts is making some sense????
Thanks
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Sep 6, 2004
Hi!
I'm trying to get the following query to work:
SELECT item.name AS name, t15.f167 AS start, t15.f168 AS end, t15.f180 AS organizer
FROM item, t15
WHERE item.row_id = t15.id AND t15.f167 > getDate()
UNION ALL
SELECT item.name AS name, t30.f221 AS start, t30.f222 AS end, '<a class=kalender_link href=http://www.xxx.no/default.asp?V_ITEM_ID=' + item.id
+ '> KAN < / a > '
FROM item, t30
WHERE item.row_id = t30.id AND t30.f221 > getDate()
ORDER BY start DESC
The problem is the organizer field. I need to generate an url, but I get all sorts of problems with data types, ie. you can convert an int into ntext.
So the question is basically, how do I get the following to work:
'<a class=kalender_link href=http://www.xxx.no/default.asp?V_ITEM_ID=' + item.id + '> KAN < / a >'
Vidar
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Apr 17, 2006
Hi,
Since I am new to DTSs therefore currently I am making my DTSs in a manner where there probably is a room for improvement e.g. When I have to Import data from one server to another I use the Import feature and then I go through all the steps of the wizard (at the end of which I get the option to save my DTS)....
In the DTS "design window" there are many options under the TASK menu option and is there a url from where I can learn how to use these options (under TASK i.e. File Transfer Protocaol task, ActiveX Script Task, Transform Data Task, etc. etc.).
Maybe if I know how to use these options, I might be able to write my DTS in better and flexible manner...
Hope my posts is making some sense????
Thanks
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Apr 18, 2008
I have an installation of 2005 Express and I am attempting to install advanced services. I have tried uninstalling all .net service packs as well as installing with the skuupgrade=1 tag, but I still receive a message stating that the currently installed version is more recent that the version I am attempting to install. What might I be missing here?
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May 12, 2008
I have a query in which I have constructed a bunch of left outer joins, however I need to also join one of the tables on the "right" side of one of those joins with an entirely different table. What I have is as follows:
select F.*, FRL.findingRiskLevel, E.entityName, G.gName, FRS.findingStatus, FCA.findingControlArea, A.aYear, A.aDesc
from Findings F
left outer join Audits A ON A.aID = F.auditID
left outer join Entities E ON E.entityID = F.findingEntity
left outer join Groups G ON G.gID = F.findingGroup
left outer join FindingsReportingStatus FRS ON FRS.findingStatusID = F.findingRepStatus
left outer join FindingsControlAreas FCA ON FCA.findingControlAreaID = F.findingControlArea
left outer join FindingsRiskLevels FRL ON FRL.findingRiskLevelID = F.findingRiskLevel
So I also need to join Audits.aTypeID on AuditTypes.aTypeID and pull back AuditTypes.aType
Any tips appreciated! My attempts thus far have failed me :)
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Jan 12, 2006
Hi,This is my basic sql shape query:------------------------------------------------------------SHAPE {select * from tbl1}APPEND({SELECT * FROM tbl2 where field1=1} AS RS2 RELATE field TOfield)------------------------------------------------------------With this query i get a RecordSet (RS1), who handle all the recordsfrom table tbl1, and a secondary RecordSet (RS2) who handle all therecords from table tbl2, who applies to the criteria that field1=1.It is possible that RS2 will be empty (zero records) since there is norecord in tbl2 who applies to that criteria.My wish is to design a query, that will collect only the records fromtbl1, that will have records from tbl2 who applies to the criteria -that RS2 won't be empty !I want to influence on the main part of the query (RS1), through thecriteria that is being used in the secondery query (RS2).I hope that my question is clear enough. thanks !
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