| Filter |
Use regular expressions to display a subset of columns, then click Filter. For example, to display all columns that begin with a "c," enter c. To display all columns that begin with "au" and end in an "e," enter au*e. |
| Primary Key |
Click to define this column as the primary key. |
| Column Name |
Enter a name for the
column.
|
| Datatype |
Select or enter the datatype
associated with the column.
|
| Nullable |
Click to
indicate that the column can be NULL.
|
| Default |
View the column default value. This is a
read-only column. When you double-click the cell, a Browse button appears. You
can click it to define a default. |
| Rule Binding (ASE only) |
Specify a rule to bind the column to by selecting a rule from the drop-down menu.
|
| Identity (ASE only) |
Select to make this column an IDENTITY column. ASE automatically generates a value for this row that uniquely identifies the row within the table. |
| Check Constraint (ASE only) |
Click ... to open the Define column check constraint wizard.
|
| IQ Unique (Sybase IQ only) |
Define the cardinality
of the column. This column is used to optimize the indexes internally. Specify
the IQ Unique constraint if the expected number of unique values is less than
or equal to 65536. The default is 0. |
| Comment (SQL Anywhere, Sybase IQ only) |
Enter addtional comments
about the column.
|