group-concat

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Mysql Query with Subquery with group_concat and in dosen't work

i have some problems with a Query seem IN dosen\'t work with Group_concat, that is what i wrote SELECT category, ([详细]

2023-04-10 17:49 分类：问答
mysql & group_concat_length

Let say I have a table with million of rows. Does this sql query stop as soon as \"group_concat_length\" limit value is reached for all \"id_list\" or does it test all rows in the table?[详细]

2023-04-08 16:39 分类：问答
Join table rows by GROUP_CONCAT , failed! It's not working?

i don\'t know why it\'s not working. \"SELECT id GROUP_CONCAT(skill SEPARATOR \', \') FROM resume_skills GROUP BY id\";[详细]

2023-04-01 18:37 分类：问答
Need help producing a span tag for every group_concat() item. mySql, VB.Net

I currently have a sql select statement that selects several things from 3 different tables at the moment, here is that code:[详细]

2023-04-01 14:54 分类：问答
Mysql IF IN GROUP_CONCAT breaks

Im doing a fairly big SQL so I apologizes that cant provide a bigger example of my tables. SELECT customer_id,[详细]

2023-03-31 20:25 分类：问答
mysql concat sub query results as a subquery itself

this is a bit tough, i guess. what i\'m trying to achieve is to generate a string via group_concat and then run it as a query. my query return the[详细]

2023-03-28 20:44 分类：问答
How to use UNION and GROUP_CONCAT together

I have a problem with the correct syntax to use UNION and GROUP_CONCAT in this situation: I have 4 tables:[详细]

2023-03-28 15:05 分类：问答
Complex group-by MySQL statement

I have a table with the following columns: boxid - nouns - username 1 - w1,w2,w3 - user1 1 - w3,w2,w4 - user2[详细]

2023-03-27 12:59 分类：问答
Multiple text fields in a single query using group_concat

I\'m new to MySQL, and am using it to manage a database of books. Each book has, in addition to its standard data and description, some miscellaneous text fields, 开发者_Python百科which may depend on[详细]

2023-03-22 22:49 分类：问答
How to use GROUP_CONCAT with Zend Framework?

Assume that I have a table : students ______________________________________________________ |id| name| school| class|[详细]

2023-03-12 06:00 分类：问答