I have this data set and I need to extract multiple columns values based on on column value. To elaborate on it, I have a rental table, inventory table, customer table, and I want to relate customer …
Tag: distinct
count(distinct) over (partition by… doesn’t work in Oracle SQL
I want to count the distinct day_number over the past 30 days. However, the distinct function can’t be used with over If I delete distinct, it will give me the total count of the day_number, but …
Getting Distinct Id(FK) by the latest date in SQL Server
I’m currently working on a query where I need to distinct ID based on the latest date created. Here is my diagram | ID | ModelID | LocationId | DateCreated | |——+—————-…
Oracle SQL: select count of multiple distinct fields
I need to select id, type and count of rows with unique id-type combinations. So I tried something like this: SELECT ID, CASE WHEN /**/ THEN ‘FIRST’ WHEN /**/ THEN ‘ANOTHER’ …
SELECT DISTINCT ordering rows by order of appearance of the field
I have this data Id Campo ———– ———- 1 id_recibo 2 col_2 3 col_65 4 UNDCAP 5 id_recibo 6 col_2 7 col_65 8 …
Using a MIN MAX query over a DISTINCT one in MySQL?
With my new job, I am needing to use SQL more and more. As I need to remove duplicate columns I thought that using a DISTINCT statement would be best. However, I was indicated that a MIN MAX statement might be more suited. As I am still fairly new to SQL I was wondering if I could get some advice
Select values based on DISTINCT combination of rest of columns Oracle DB
I want to select row IDs associated with distinct column combinations in the remainder of a table. For instance, if the distinct rows are I want to get the row IDs associated with each row. I can’t …
MS-Access SQL DISTINCT GROUP BY
I am currently trying to SELECT the DISTINCT FirstNames in a GROUP, using Microsoft Access 2010. The simplified relevant columns of my table looks like this: My actual table contains two columns to which I want to apply this process (separately), but I should be able to simply repeat the process for the other column. The column group number is
PostgreSQL distinct rows joined with a count of distinct values in one column
I’m using PostgreSQL 9.4, and I have a table with 13 million rows and with data roughly as follows: There are indices on md5(a), on b, and on (md5(a), b). (In reality, a may contain values longer than 4k chars.) There is also a primary key column of type SERIAL which I have omitted above. I’m trying to build a
Getting distinct values with the highest value in a specific column
How can I get the highlighted rows from the table below in SQL? (Distinct rows based on User name with the highest Version are highlighted) In case you need plain text table: What I have so far is (works for one user) Answer this might help you : sql fiddle