26 сент. 2012 г. · The only way in MySQL to do this dynamically is with Prepared statements. Here is a good article about them: Dynamic pivot tables (transform rows to columns)

23 мар. 2021 г. · The easiest solution is not to do this in SQL, but to just fetch all the data with a simple query: SELECT person, day, time FROM WeHaveATable ORDER BY day, ...

17 авг. 2012 г. · Unfortunately MySQL does not have a PIVOT function which is basically what you are trying to do. So you will need to use an aggregate ...

28 мар. 2021 г. · To give you another example: DBFIDDLE DROP TABLE IF EXISTS testPivot ; CREATE TABLE testPivot(i int, name varchar(20), k int); INSERT INTO ...

29 июл. 2021 г. · A much more dynamic approach is. You can add A WHERE item_id IN (1,2,3,4) to the first sql Statement, and schoose the item_ids you want to ...

27 окт. 2021 г. · What is an elegant way to find where a row of 0's and a column of 0's in a matrix intersect? A box with two texts, one in center and another at ...

28 мар. 2019 г. · I have problems in makeing a PIVOT Table in MySQL. I have following table. (it is a reduced demo table. The real one has 4000 stocks for fe 10 tradedates and ...

30 мая 2018 г. · Your dynamic SQL is just fine except for one thing. It has an ambiguous column project_id on your second left join, Just replace it with pt.project_id or trd. ...

20 сент. 2022 г. · Yes, it is possible using the GROUP BY clause. As the clause name indicates, you can group the rows by a certain column or set of columns.

6 мая 2020 г. · I want to create a pivot table which in each row will have a customer and it's facts each as a separate column.