To Create an Attribute Table in the Database

Open the Database Setup (MSCATALOG) dialog (Drawing > Attach > Database > More split button).
From the dialog's Table menu, choose Create.
The Create Table dialog opens.
In the Table Name field, key in the name of the table.
Click the Insert button.
The Insert Column dialog opens.
In the Column field, key in the name of the first column.
From the Type option menu, choose the column's data type — Character, Integer, Real, or Date.
Do one of the following:

If Type is Character, key in the field width (number of characters) in the Width field.

or
If the type is integer, key in the total number in the Width field.

or
Otherwise, skip to step 8.

If Type is Real, key in the total number of digits in the Width field and the number of digits after the decimal point in the Decimal field.
Click the OK button to return to the Create Table dialog.
For each additional column, repeat steps 4-8. (To edit or delete a previously defined column, use the Edit and Delete buttons.)
Click the OK button.
Note: Alternatively, table creation can be accomplished through the database software.