TYPEOF
TYPEOF function is used to return the name of a data type.
Syntax
TYPEOF( <expr> )
Arguments
| Arguments | Description | 
|---|---|
<expr> | Any expression.  This may be a column name, the result of another function, or a math operation.  | 
Return Type
String
Examples
SELECT typeof(1::INT);
+------------------+
| typeof(1::Int32) |
+------------------+
| INT              |
+------------------+