group-concat

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Join one row to multiple rows in another table

I have a table to entities (lets call the开发者_如何学Pythonm people) and properties (one person can have an arbitrary number of properties). Ex:[详细]

2022-12-31 14:08 分类：问答
SQL select query to merge rows

I have a single MySQL database: ------------------------------------------------------------------- Email| Name| Tag[详细]

2022-12-30 17:40 分类：问答
Postgresql GROUP_CONCAT equivalent?

I have a table a开发者_开发百科nd I\'d like to pull one row per id with field values concatenated.[详细]

2022-12-25 14:54 分类：问答
MySQL GROUP_CONCAT + IN() = missing data :-(

Example: Table: box boxIDcolor 01red 02blue 03green Table: boxHas boxIDhas 01apple 01pear 01grapes 01banana[详细]

2022-12-25 11:31 分类：问答
using group_concat in PHPMYADMIN will show the result as [BLOB - 3B]

I have a query which uses the GROUP_CONCAT of mysql on an integer field. I am using PHPMYADMIN to develop this query. My problem that instead of showing 1,2开发者_JAVA百科 which is the result of the c[详细]

2022-12-17 21:06 分类：问答
Sqlite group_concat ordering

In Sqlite I can use group_con开发者_如何转开发cat to do: 1...A 1...B 1...C 2...A 2...B 2...C 1...C,B,A[详细]

2022-12-13 18:46 分类：问答
MySQL - Select Concat an entire row

How can I select and concat every field in a row? I want to do something similar to this: SELECT concat(SELECT GROUP_CONCAT(COLUMN_NAME)[详细]

2022-12-09 22:35 分类：问答
GROUP_CONCAT and DISTINCT are great, but how do i get rid of these duplicates i still have?

i have a mysql table set up like so: iduidkeywords -------- 120corporate 220corporate,business,strategy 320corporate,bowser[详细]

2022-12-08 19:07 分类：问答
Ordering in a MySQL GROUP_CONCAT with a function in it

I want to order the results in a GROUP_CONCAT function. The problem is, that the selection in the GROUP_CONCAT-function is another function, like this (fantasy select):[详细]

2022-12-08 12:23 分类：问答
MySQL GROUP_CONCAT headache

For performance,I need to set a limit for the GROUP_CONCAT, and I need to know if there are rows not included.[详细]

2022-12-08 03:37 分类：问答