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SDO_Model_Type::isDataType — Test to see if this SDO_Model_Type is a primitive data type
SDO_Model_Type::isDataType ( ) : bool
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.
 Test to see if this SDO_Model_Type is a primitive data type. Returns true if this type is a primitive data type, otherwise returns false. 
None.
 Returns true if this type is a primitive data type, otherwise returns false. 
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    https://www.php.net/manual/en/sdo-model-type.isdatatype.php