sql not distinct – How to Select Every Row Where Column Value is NOT Distinct?

sql not distinct – In SQL NULL = NULL isn’t true. Unique constraint in SQL is used to check whether the sub query has duplicate tuples in it’s result.

sql not distinct

Use IS NOT DISTINCT FROM instead of equals (=) for null-aware comparisons. How to Use EXISTS, UNIQUE, DISTINCT, and OVERLAPS in SQL Statements. DISTINCT can be used with aggregates: COUNT, AVG, MAX, etc.

how to get non distinct values in sql?

SELECT [ProfileCode], [UserName] FROM [Users] WHERE [ProfileCode] IN
  (SELECT [ProfileCode] FROM [Users] GROUP BY [ProfileCode] HAVING COUNT(*) > 1)

IS [NOT] DISTINCT FROM

select id, name, member from teams
  where join_date is not distinct from last_day

if (New.deals is distinct from Old.deals)
  then post_event 'deals_changed';

Select non distinct rows from two columns

select A, B, C
from (select t.*, count(*) over (partition by A, B) as cnt
      from t
     ) t
where cnt > 1;

don’t Miss : Sql Unique Count

Read Also:  Ajax Live Data Search using Jquery PHP MySql

Finding duplicate values in MySQL

SELECT name, COUNT(*) c FROM sometablename GROUP BY name HAVING c > 1;

SELECT varchar_col
FROM table
GROUP BY varchar_col
HAVING COUNT(*) > 1;

I hope you get an idea about sql not distinct.
I would like to have feedback on my infinityknow.com.
Your valuable feedback, question, or comments about this article are always welcome.
If you enjoyed and liked this post, don’t forget to share.