mysql group_concat in where clause code example

Example 1: group by mysql and concatenate string

mysql> select Id,group_concat(Name SEPARATOR ',') as GroupConcatDemo from GroupConcatenateDemo
   -> group by Id;

Example 2: group_concat sql server

STRING_AGG ( expression, separator ) [ <order_clause> ]

<order_clause> ::=   
    WITHIN GROUP ( ORDER BY <order_by_expression_list> [ ASC | DESC ] )
    SELECT STRING_AGG(Genre, ',') AS Result
FROM Genres;
Result:

Result                                      
--------------------------------------------
Rock,Jazz,Country,Pop,Blues,Hip Hop,Rap,Punk

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Sql Example

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