Untuk mencari data yang dobel atau yang sering kita dengan subquery dalam sebuah database kita bisa menggunakan sebuah query sederhana yang bisa kita implementasikan pada database MySQL dan MSSQL, Oracle, atau PostgreSQL
Contoh query berikut seperti berikut :
select column_name, count(column_name) from table group by column_name having count (column_name) > 1;
Hello there,
My name is Aly and I would like to know if you would have any interest to have your website here at codeitworld.com promoted as a resource on our blog alychidesign.com ?
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Thanks,
Aly
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