How to Change an Attribute Value



Background: Views

In the first figure, John's color is changed from red to green via the tree/comboBox.
In the second figure, John's color is changed from green to aqua.
In the third figure, John's color is changed from aqua to blue via the grid.

To change an attribute value via the tree:
1. Select a value (ie john/-color-/red).
2. Select replacement from combo box's drop-down list
or type new value in combo box and press enter.

To change an attribute value via the grid:
1. Click a white cell twice with a small delay in between clicks.
A combo box appears in the cell.
2. Select replacement from the list or type new value and press enter.

To change a value via the NLI:
1. Type "(change (get john color blue) red)" in the input box.
2. Click Submit Button.

Notes:
When a new value {ie aqua} is typed into the combo box, db creates a new instance of the value's class {ie color} and relates it as a value of the attribute {ie john/-color-}.

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