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T Sql Select Distinct Not Working
asked 10 months ago viewed 185 times active 10 months ago Upcoming Events 2016 Community Moderator Election ends in 7 days Blog How We Make Money at Stack Overflow: 2016 Edition When I had developers working under me, I told them that the need for a DISTINCT was a clue they were missing a JOIN criterion. Covered by US Patent. Facebook Twitter LinkedIn Link URL copied to clipboard < DISTINCT and GROUP BY... this contact form
share|improve this answer answered Mar 5 '12 at 18:52 Spags 29831025 add a comment| up vote 1 down vote You could use this for unsorted results: select distinct studentid, collegeid from Contradiction between Analytic and Numerical Integration How do I sort a list with positives coming before negatives with values sorted respectively? DISTINCT only works on ALL columns in your SELECT - only if all values are identical will a row be excluded. –marc_s Dec 8 '12 at 22:00 because they it's been fixed! 0 LVL 12 Overall: Level 12 Databases 1 Message Expert Comment by:jkaios2014-09-10 Comment Utility Permalink(# c125421) Another 'YES' to a great article and unselfish contribution to the More about the author
Sql Distinct Not Working With Join
Unless you expect something else of what is a duplicate (and what not) than SQL does actually do. How not to lose confidence in front of supervisor? That syntax is accepted because (employeeID) is just an expression, a reference to a column, which happens to be surrounded by parenthesis. For example, you could write: select distinct (employeeID), (salary) Would you explain why with text it does not work? –user3352567 May 25 '14 at 1:50 You're welcome.
All rights reserved. Launch report from a menu, considering criteria only when it is filled… MS Office Office 365 Databases MS Access Advertise Here Other articles by this author UPDATES with JOIN... How to give username/password to git clone in a script, but not store credentials in .git/config What does this joke between Dean Martin and Frank Sinatra mean? Distinct Not Working C# Contradiction between Analytic and Numerical Integration Looking for a movie of about futuristic city and alien society How tiny is a Tiny spider?
The next thing we are going to do is to create a new table in a case insensitive database and then load all of the data from Person.Contact into this new Select Distinct Not Working With Join Bringing whale meat in to the EU 5 Favorite Letters What should I do after sending a file to print with a typo? And... Should I report it?
View more Suggested Courses Azure SQL: Relational Database-as-a-Service $99 Administering Microsoft SQL Server 2012 Databases (Exam 70-462) $79 70-462 - Administering Microsoft SQL Server 2012 $545 Advertise Here Next Article:Azure & Sql Group By Not Working Register > Blog Sign in Join ASP.NET Home Get Started Learn Hosting Downloads Community Overview Community Spotlight Articles of the Day What's new Community Blogs ASP.NET Team Events Hall Of Fame Usually, you don't use DISTINCT or GROUP BY for these scenarios, either. North by North by North by South East What game did I see in Verona, Italy?
Select Distinct Not Working With Join
Hotels on the Las Vegas strip: is there a commitment to gamble? i thought about this Important: This "problem" has to be solved first. Sql Distinct Not Working With Join processing ; cursor vs (temp) table syntax Why should I use aliases in my queries? Select Distinct Not Working Access Usually, GROUP BY can solve this, but it might not be the most efficient method, or fail to accomplish other issues with the requirements in the query.
How to solve this question quickly? which ones do you think are duplicate and should be eliminated by DISTINCT?? Try just: SELECT DISTINCT studentID, collegeID It may be helpful to provide what output you are actually getting as opposed to just the expected output. DISTINCT should be thought of as a clause, rather than a function to which you pass a column name as an argument. Distinct Not Working Oracle
The user problem is usually that they "expect" SQL to apply the DISTINCT only for one (or more) key fields, for example the first column returned in the select. KK Please mark as Answer if post helps in resolving your issue My Site Reply itsvishalpat... Ugh, yes--seen this several times.Even worse, something like:SELECT DISTINCT(EmployeeId), MAX(Salary)FROM SalaryHistGROUP BY EmployeeId 10/12/2007 11:18 AM | Adam Machanic #re: By The Way ... http://xstackwiki.com/not-working/start-and-select-buttons-ps3-not-working.html asked 4 years ago viewed 15257 times active 4 years ago Upcoming Events 2016 Community Moderator Election ends in 7 days Blog How We Make Money at Stack Overflow: 2016 Edition
Move only the last 8 files in a directory to another directory Creating a labeled grid of colored squares Higher up doesn't carry around their security badge and asks others to Select Distinct Only One Column if you had other columns you wanted to show, you would have the same issue as for pk, and using max() or min() shall not give the correct results 4. How ever, when i do this, i get "duplicates".
I have a table of order line items.
Equations, Back Color, Alternate Back Color. Join & Write a Comment Already a member? Result B We now want all records for the last day. Sql Distinct Column To make it clear: it will compare the returned columns for the SELECT it is applied to, and not to the full table/join.
can you explain the logic behind ? –MonsterMMORPG Dec 9 '12 at 16:19 You probably know , distinct removes the rows which are exactly the same , but as Faq Reply With Quote April 19th, 2011,08:28 PM #8 No Profile Picture FXG View Profile View Forum Posts Registered User Devshed Newbie (0 - 499 posts) Join Date a related table should have, as all tables, its own primary key. his comment is here Is there a class like Optional but for non-optionals?
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