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Trying to round a calculation to two decimal places in a new column with MySQL?
To round, use MySQL ROUND() function. Let us first create a table −
mysql> create table DemoTable1865 ( Value1 int, Value2 int ); Query OK, 0 rows affected (0.00 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1865 values(40,60); Query OK, 1 row affected (0.00 sec) mysql> insert into DemoTable1865 values(100,400); Query OK, 1 row affected (0.00 sec) mysql> insert into DemoTable1865 values(545,896); Query OK, 1 row affected (0.00 sec)
Display all records from the table using select statement −
mysql> select * from DemoTable1865;
This will produce the following output −
+--------+--------+ | Value1 | Value2 | +--------+--------+ | 40 | 60 | | 100 | 400 | | 545 | 896 | +--------+--------+ 3 rows in set (0.00 sec)
Here is the query to round a calculation to 2 decimal places in a new column −
mysql> select round(Value1/Value2,2) as Result from DemoTable1865;
This will produce the following output −
+--------+ | Result | +--------+ | 0.67 | | 0.25 | | 0.61 | +--------+ 3 rows in set (0.00 sec)
Updated on: 26-Dec-2019
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