How to make a good diagram arrow Is the untested/empty statement true? All data is setup as mixed case, so we have no duplicates when we run this query. Unless you expect something else of what is a duplicate (and what not) than SQL does actually do. In real-world, the field employee_pk would be indexed to ensure optimal performance. http://sevevb.com/not-working/distinct-not-working-in-sql-server.html
Started by HarrySeah, 15 Sep 2016 sql, php, mysql, html, css and 4 more... 4 replies 890 views HarrySeah 18 Sep 2016 7 user(s) are reading this topic 0 Login. Not the answer you're looking for? Rick -- DISTINCT in that case is still not a function; it is a tag or a flag on the aggregate function indicating to only count or sum distinct values. 10/12/2007 http://stackoverflow.com/questions/9572131/select-distinct-not-working-as-expected
select distinct (item) COLLATE sql_latin1_general_cp1_cs_asFROM (select 'abcd' itemunion all select 'ABCD'union all select 'defg'union all select 'deFg') items All that is different in the next query is the name of the Both techniques shown have the same weakness! Word for a non-mainstream belief accepted as fact by a sub-culture? The data type text cannnot be comparable...
For MySQL Server, at least until the latest version documentation I have which is 5.4, I have bad news: ORDER BY + LIMIT in a correlated subquery is not supported http://dev.mysql.com/doc/refman/5.4/en/subquery-errors.html The first set of queries uses the AdventureWorks database which is configured as case sensitive. Why were pre-election polls and forecast models so wrong about Donald Trump? Sql Group By Not Working Do it this way : select distinct top 36 tblFoundPokemonsOnRoutes.pokemonId,MonsterTotalStats, MAX(maxLevel) as maxLevel, Case Class WHEN 'Ancient' Then '9' WHEN 'Legendary' Then '8' WHEN 'Zenith' Then '7' WHEN 'Emissary' Then '6'
DISTINCT will not return two rows with the same values. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed 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 http://stackoverflow.com/questions/23851157/sql-distinct-not-working Become a paid author More SQL Server Solutions Post a comment or let the author know this tip helped.
Have you ever seen (or written) code like this: select distinct(employeeID), salary from salaryhist That compiles and executes without returning any errors. I've seen that attempted many times over the years, Distinct Not Working C# I added a link about UNION vs. Is RandomGraph really random? Member 16 Points 36 Posts Re: Distinct keyword not working in sql server Jul 06, 2012 06:09 AM|itsvishalpatel|LINK Hey, Use this select distinct subCatId, CatId,Value from table regards, Vish ‹ Previous
Equations, Back Color, Alternate Back Color. http://forums.asp.net/t/1821535.aspx?Distinct+keyword+not+working+in+sql+server+ How ever, when y apply my initial query, i get the same problem. Sql Distinct Not Working With Join What does a white over red VASI indicate? Select Distinct Not Working Access So based on this what options are there?
Related 471How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?137SELECT DISTINCT on one column154SQL Server query - Selecting COUNT(*) with DISTINCT2105UPDATE from SELECT using SQL Server1SQL weblink Start a coup online without the government intervening How do I make an alien technology feel alien? Combine with master table Once you found the correct rule to determine which row you want to take from the child table, you can take that query, and join to the Why do most microwaves open from the right to the left? Distinct Not Working Oracle
The good method to solve the problem is to step back, and look at both the data and the requested output, which, once clarified, can be translated into SQL Query "easily". Mark as answer,if it helped U! And how many roqws it will execute and how much each query will take. navigate here So depending on how your database is setup you may or may not see the differences.
the first one, thank you for your assistance. Select Distinct Only One Column Register now! You need to be clear on that.... –marc_s Dec 9 '12 at 8:45 | show 1 more comment 1 Answer 1 active oldest votes up vote 1 down vote accepted You
Faq Reply With Quote April 19th, 2011,11:17 AM #3 No Profile Picture FXG View Profile View Forum Posts Registered User Devshed Newbie (0 - 499 posts) Join Date Well, if any of the rows in your result set weren't unique, then SELECT studentid , collegeid , COUNT(*) FROM ( SELECT DISTINCT studentId, CollegeID FROM STUDENT_GROUP ) GROUP BY studentid more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Sql Distinct Column Register Lost Password?
DISTINCT is not a function ... ... Here the example for N = 1: select sq.*, e.Name from tbl_Employee e cross apply ( SELECT TOP 1 * FROM tbl_Employee_WorkRecords t WHERE How to do this? his comment is here I need the all values without duplicate of [invoiceno].
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. 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 Previous examples of large scale protests after Presidential elections in US? For Smith and Brown, we can forecast no major problems, but Bond lists 2 records for the last day...
GO OUT AND VOTE Quine Anagrams! (Cops' Thread) Wrong way on a bike lane? MathSciNet review alert? Join them; it only takes a minute: Sign up DISTINCT is not working for SELECT query in MSSQL up vote -1 down vote favorite 1 Here i have the invoice details I need to still convert it? (Varchar?)...
I want to display only the first order per user, thanks. Polyglot Anagrams Cops' Thread Why did they look stupid? Delimited list as parameter: what are the options? Did the GoF really thoroughly explore "Pattern Space"?
Updated my answer. –Mosty Mostacho Mar 6 '12 at 1:06 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up UNION ALL SQL server : http://blog.sqlauthority.com/2009/03/11/sql-server-difference-between-union-vs-union-all-optimal-performance-comparison/ Oracle : http://www.oraclebrains.com/2007/09/sql-tipsuse-union-all-instead-of-union/ MySQL : http://www.mysqlperformanceblog.com/2007/10/05/union-vs-union-all-performance/ 23 Comment Author:Guy Hengel [angelIII / a3] 2 +5 8 Participants Guy more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed