Table Name: COD_data_type
Group: BIT (Basic Information Tables) and HIT (Hydrological Information Tables)
Type: Reference table. A dictionary used to standardise and interpret the meaning of numeric values in related data type fields (Record Basic Data and Hydrological information tables).
General Description:
This table serves as a controlled vocabulary to clarify the nature of numeric values found in the Data Type fields of the database. Helps interpret ranges and uncertainties consistently throughout the database.

Fields:
- CodDT (Type Identifier): A numeric or short string code used to define the nature of the data type.
- Type (Data type): Textual name of the data type.

Controlled Vocabulary:
CodDT (Type): Description
1 (Exact): The value represents a precise or exact measurement.
2 (Minimum): The value represents the lowest possible or estimated bound.
3 (Maximum): The value represents the highest possible or estimated bound.
4 (Interval): The value is part of a pair that defines a numeric interval (e.g., start and end values).

Relationships:
Referenced by the TE field in the Record Basic Data table and the TQ field in the Hydrological Information table.

