If you are comparing strings and numerics, or floating-point numbers and integers, MySQL will compare them as : Char « Data Type « SQL / MySQL






  1. SQL / MySQL
  2. Data Type
  3. Char

If you are comparing strings and numerics, or floating-point numbers and integers, MySQL will compare them as

      
if they were the same type.
mysql>
mysql> SELECT '4200' = 4200.0;
+-----------------+
| '4200' = 4200.0 |
+-----------------+
|               1 |
+-----------------+
1 row in set (0.00 sec)

mysql>








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