beautypg.com

Primary key tab, Hash key tab, Unique constraints tab – HP Neoview Release 2.4 Software User Manual

Page 52: Foreign keys tab

background image

Primary Key: Specifies the icon or special symbol to indicate column is part of the
primary key.

Column Name: Name of the column (string).

Data Type: SQL datatype of the column.

Nullable: If a column is NOT NULLABLE NOT DROPPABLE, the value displayed is
“Not Nullable.” If the column is NOT NULL, the value displayed is “Not Nullable.” If
the column is NULL, the value is blank.

Default: For schema version 2300 or earlier, the default value displayed is “GENERATED
BY DEFAULT AS IDENTITY”. For schema version 2400, the default value displayed is
“GENERATED {ALWAYS | BY DEFAULT} AS IDENTITY.

Primary Key Tab

To display the primary key column information:

1.

Select a Schema in the navigation tree and click the table name in the right pane, or open
the Tables folder and select a table name in the tree.

2.

Click the Primary Key tab in the right pane.

In the right pane, these attributes are displayed:

Position: The position of the column in the primary key order.

Column Name: Name of the column (string).

Data Type: SQL datatype of the column.

Sort Order: Specifies the order as “Ascending” or “Descending.”

Added By: Indicates if column was added by the “System” or “User.”

Hash Key Tab

To display the hash key column information:

1.

Select a Schema in the navigation tree and click the table name in the right pane, or open
the Tables folder and select a table name in the tree.

2.

Click the Hash Key tab in the right pane.

In the right pane, these attributes are displayed:

Position: The position of the column in the hash key order.

Column Name: Name of the column (string).

Sort Order: Specifies the order as “Ascending” or “Descending.”

Unique Constraints Tab

To display the unique constraints for the table:

1.

Select a Schema in the navigation tree and click the table name in the right pane, or open
the Tables folder and select a table name in the tree.

2.

Click the Unique Constraints tab in the right pane.

In the right pane, these attributes are displayed:

Constraint Name: Name of the unique constraint.

Columns: The name of the columns that are constrained.

Foreign Keys Tab

To display the foreign keys information on the table:

52

Manage Database Objects