Assign a hierarchy to the spaces and classify them from the lowest to the highest value in order to differentiate upgrades from downgrades. To update this column is important in order to have acurated data in the reporting module.

For example, a property with the following categories:

• Economy
• Standard Twin
• Standard Double
• Superior Twin
• Superior Double
• Deluxe Suite
• Junior Suite
• Suite
• Duplex

Spaces will be sorted as per below, being Economy room the one with the lowest value:

1 Economy

2 Standard Twin

2 Standard Double (same value than the Standard Twin)

3 Superior Twin

3 Superior Double (same value than the Superior Twin)

4 Deluxe Suite

5 Junior Suite

6 Suite

7 Duplex