distinct

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How do I resolve aggregate data into unique entries, eliminating duplicates, while identifying preferred records within the duplicates

I have a table, derived from several different tables, with several similar (near duplicate) rows and need to resolve similar rows into single rows. Using DISTINCT or UNION resolves the rows but in an[详细]

2023-03-16 14:19 分类：问答
Count(distinct) and group by issue if the range of items being grouped is significant

I am joining two tables (shipments and returns) and using group by to view totals for certain criteria. The two tables are related via shipment_id. this column is mostly unique, but contains a few dup[详细]

2023-03-14 16:54 分类：问答
MySQL random query but with distinct values from 1 column

I\'ve a query like SELECT Id, Category, Title FROM articles WHERE 1 ORDER BY RAND() LI开发者_Python百科MIT 0,20[详细]

2023-03-14 09:35 分类：问答
SQL Server - Select Distinct Alternative Query

I asked a question earlier about a replacement to using SELECT DISTINCT as the query takes a lot longer to execute. I was recommended to use EXISTS and it worked A LOT better (0 second execution versu[详细]

2023-03-14 09:03 分类：问答
select distinct first row from database

number| time 421112233444 | 1304010250 421112233444 | 1304272979 421001122333 | 1303563263 421112233444 | 1300217115[详细]

2023-03-14 07:58 分类：问答
SQL Distinct and non-distinct column selection

SQL distinct for 2 fields in a database The above link I believe is not too far from what I\'开发者_C百科m looking for. There was a post talking about what I believe I need. It says that I should hav[详细]

2023-03-14 07:47 分类：问答
Alternative to SELECT DISTINCT

I\'m not too familiar with SQL queries but have noticed a significant performance decrease when running a query using Select Distinct. I\'m running SQL Server 2008 R2. Below is my query:[详细]

2023-03-14 00:31 分类：问答
Retrieving DISTINCT values from 2 columns in same table as one ordered list

I would like to take two columns of data in the same table, and return the unique records from both in an ordered list. I tried this:[详细]

2023-03-13 11:34 分类：问答
SQL and distinct

I\'m having trouble on generating a report in MySQL.I have this table: CREATE TABLE users ( id INT UNSIGNED PRIMARY KEY AUTO_INCREMENT,[详细]

2023-03-13 09:47 分类：问答
MySQL SELECT DISTINCT with tolerance of variation

in my database I have a lot of entries that are very similar but not identical. For instance just two characters might be different such as:[详细]

2023-03-12 15:25 分类：问答