Procedure
To define a table column, you must provide the name (
Name ) and data type ( Datatyp ). Depending on the data type, you may be able to define further properties for the column.Dim |
Dimension |
Code |
Code type |
Key |
Is the column a key column? |
Not Null |
Can the column accept a null value? |
Default |
System default value user-defined / database-dependent |
Unique |
Exclusivity of the column contents |
Comment |
Comment text for the column |
Add new column
Choose New Column. The new column is added to the end of the table.
Copy column
Select the column to be copied, and choose Copy Column.
The new column is added to the end of the table.
Import column
Choose Import Column. A window opens, containing all columns defined by the current user. Select one or more columns and choose OK. The new column(s) is/are added to the end of the table.
Delete column
In order to remove a column from the table, select the column and choose Remove Column.
Change column sequence
You can change the columns sequence by selecting one or more columns and moving them upwards or downwards using the arrows Ý ß.