The Key category is located in the category, and can contain the following items that define how keys are modeled for your DBMS.
|
Item |
Description |
|---|---|
|
[Common items] |
The following common object items may be defined for keys: For a description of each of these common items, see Common object items. |
|
AKeyComment |
Specifies a statement for adding an alternate key comment. |
|
AllowNullable Coln |
Specifies whether non-mandatory columns are permitted. The following settings are available: |
AlterIgnoreOrder |
Specifies that changes in the order of the collection should not provoke a modify database order. |
|
EnableCluster |
Specifies whether clustered constraints are permitted on alternate keys. |
|
SqlAkeyIndex |
Specifies a reverse-engineering query for obtaining the alternate key indexes of a table by live connection. Example (SQL Anywhere 10): select distinct i.index_name
from sys.sysuserperms u
join sys.systable t on
(t.creator=u.user_id)
join sys.sysindex i on
(i.table_id=t.table_id)
where i."unique" not in ('Y', 'N')
[ and t.table_name = %.q:TABLE%]
[ and u.user_name = %.q:SCHEMA%]
|
|
UniqConstAuto Index |
Determines whether a Create Index statement is generated for every key statement. The following settings are available:
|