


How to Aggregate Strings into a List in MySQL (Similar to Oracle's LISTAGG)?
Aggregate Function in MySQL: Aggregate Values into a List (Similar to LISTAGG in Oracle)
Query:
I need function, that returns list of strings. I have data in table like this: Id MyString ------------------------ 1 First 2 Second 3 Third 4 Fourth I need function like this (something like this works in oracle): select LISTAGG(MyString, ', ') as myList where id <p><strong>Answer:</strong></p><p>MySQL provides the GROUP_CONCAT() function for this purpose. It aggregates values into a comma-separated list.</p><p><strong>Query Using GROUP_CONCAT():</strong></p><pre class="brush:php;toolbar:false">select group_concat(MyString separator ', ') as myList from table where id <p>This query will return a list of strings, separated by commas, for all rows where the id is less than 4. The 'myList' column will contain the aggregated result.</p><p><strong>Note:</strong> The GROUP_CONCAT() function allows for grouping by multiple columns if necessary. For example:</p><pre class="brush:php;toolbar:false">select group_concat(MyString separator ', ') as myList from table where id <p>This query will group the results by the another_column column and create a list of strings for each group.</p>
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