| 15.6.GREATEST |
| 15.6.1. | GREATEST(value1,value2,...) returns the largest (maximum-valued) argument within two or more arguments |
| 15.6.2. | GREATEST(value1,value2,...) returns NULL if any argument is NULL. |
| 15.6.3. | SELECT GREATEST(3.0,3.0,5.0,7.0); |
| 15.6.4. | SELECT GREATEST('B','A','C'); |
| 15.6.5. | Use GREATEST(value1,value2,...) function with column data |
| 15.6.6. | GREATEST(@id1, @id2, @id3, @id4, @id5): using Greatest function with user-defined variables |