Creates a new column and closes the window. Available only when the required fields are completed.

Cancels any unsaved changes and closes the window.

Applies your input and keeps the window open for more changes.

Restores the settings to the last saved value (when OK or Apply was last clicked.)

Type a name for the column you are adding. The name can be 1 to 18 characters.

Select a data type for the column.

Type the length of the column.

Specify the precision of a decimal number. The precision is the total number of digits. The range is 1 to 31. The default is 5. Available only when the data type is DECIMAL.

Specify the scale of a decimal. The range is 0 to the precision number (the number that you selected as the precision number). The scale is the number of places to the right of the decimal point. The default is 0. Available only when the data type is DECIMAL.

Select to allow the column to contain null values. If the column is a primary key column, it can not be null.

Shows the available options for the column. Select the check box next to any option that you want to add. Required options are already selected. You can change the value of the selected option. Click the Value field for the option to display a list of values. Depending on the option, you can either select a value from the list, click ... to select multiple values, or you can type a new value. The Hint field provides information to help you select the correct value. In the Description field, you can read a brief description of the option.