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Select and sum with grouping in MySQL?
To sum, use the aggregate function SUM(). With that, group using MySQL GROUP BY. Let us first create a table −
mysql> create table DemoTable -> ( -> ProductName varchar(20), -> ProductQuantity int, -> ProductPrice int -> ); Query OK, 0 rows affected (0.63 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values('Product-1',2,50);
Query OK, 1 row affected (0.16 sec)
mysql> insert into DemoTable values('Product-2',3,80);
Query OK, 1 row affected (0.10 sec)
mysql> insert into DemoTable values('Product-2',4,100);
Query OK, 1 row affected (0.11 sec)
mysql> insert into DemoTable values('Product-1',4,150);
Query OK, 1 row affected (0.11 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output−
+-------------+-----------------+--------------+ | ProductName | ProductQuantity | ProductPrice | +-------------+-----------------+--------------+ | Product-1 | 2 | 50 | | Product-2 | 3 | 80 | | Product-2 | 4 | 100 | | Product-1 | 4 | 150 | +-------------+-----------------+--------------+ 4 rows in set (0.00 sec)
Following is the query to select with grouping in MySQL −
mysql> select *,sum(ProductQuantity*ProductPrice) as Total from DemoTable -> group by ProductName;
This will produce the following output−
+-------------+-----------------+--------------+-------+ | ProductName | ProductQuantity | ProductPrice | Total | +-------------+-----------------+--------------+-------+ | Product-1 | 2 | 50 | 700 | | Product-2 | 3 | 80 | 640 | +-------------+-----------------+--------------+-------+ 2 rows in set (0.00 sec)
Updated on: 18-Dec-2019
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