group-concat

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order by within group concat

The order by is not working in the second query. I need to order by first DNAID then DNBID First Query its ordered as:[详细]

2023-02-13 07:07 分类：问答
MySQL - Using Order By result created by a subquery group_concat or join issue

This is a query I\'ve been puzzling over for quite some time, I\'ve never been able to get it to work quite right and after about 40 hours of pondering I\'ve gotten to this point.[详细]

2023-02-12 05:32 分类：问答
mysql GROUP_CONCAT(query)

I\'m trying to run a query that looks like: SELECT GROUP_CONCAT(vehicles.id) FROM vehicles WHERE cars.id = vehicles.id[详细]

2023-02-11 18:17 分类：问答
MySQL: Increasing GROUP_CONCAT_MAX_LEN param - any dangers?

Right now, my MySQL server is using the default value of 1024 bytes for the GROUP_CONCAT_MAX_LEN, and I need to increase it.[详细]

2023-02-11 08:55 分类：问答
MySQL GROUP_CONCAT that actually registers NULLs?

I have this large, procedurally generated MySQL query. At a part of this query I have to combined sever cells into one cell This is because the person may have more than one form entry (in the case of[详细]

2023-02-11 00:51 分类：问答
SQL Sub-select as field?

I\'m a bit lost here... I have several tables I\'d like to pull a unified record from: Unit, Building, Owner, and Picture.[详细]

2023-02-09 03:19 分类：问答
How to add GROUP_CONCAT to LEFT JOIN query?

I have this query (and results): select articles.article_id, articles.article_text, article_photos.photo_filename[详细]

2023-02-05 08:35 分类：问答
mysql join with multiple values in one column

I need to make a query that creates 3 columns that come from 2 tables which have the following relations:[详细]

2023-02-02 10:29 分类：问答
mysql GROUP_CONCAT duplicates

I make my join from a farmTOanimal table like this.There is a similar farmTotool table id |开发者_如何学运维 FarmID| animal[详细]

2023-02-02 06:24 分类：问答
MySQL: GROUP_CONCAT with LEFT JOIN

I\'m experiencing a problem with MySQL\'s \"GROUP_CONCAT\" function. I will illustrate my problem using a simple help desk database:[详细]

2023-01-30 15:14 分类：问答