DBCascade Delete

The mechanism of DBCascade Delete is controlled by Application server or
Application server use
Database "DBCascade Delete" mechanism to do the action.
Because I use WLS6.1 "Create Default DBMSTables" mechanism to create two
tables which the
relationship is many-one. But in my MSSQL database , I find two tables
created by WLS6.1 have no any
constraint or foregin key setting for corresponding column.
And then the mechanism of DBCascade Delete do not work.
So I add the db constraint and cascade delete in MSSQL database by hand ,
and then all is fine.
Anyone can explain how it work in WLS 6.1 ??
Thank in advance.
Alan Chang.

Alan,
This option is really only a 'convenience' feature for development and prototyping.
It really is a 'best approximation[ - - for more control, you really need to
define the schema definition 'by hand' (as you did as a prior step that worked)
Chuck Nelson
Developer Relations Engineer
BEA Support

Similar Messages

  • DBCascade Delete Problem

    The mechanism of DBCascade Delete is controlled by Application server or
    Application server use
    Database "DBCascade Delete" mechanism to do this action.
    Because I use WLS6.1 "Create Default DBMSTables" mechanism to create two
    tables which the
    relationship is many-one. But in my MSSQL database , I find two tables
    created by WLS6.1 have no any
    constraint or foregin key setting for corresponding column.
    And then the mechanism of DBCascade Delete do not work.
    So I add the db constraint and cascade delete in MSSQL database by hand ,
    and then all is fine.
    In the BEA EJB20 Sample "cascadeDelete", there is the table.ddl to let us
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    If I don't set the "DBCascade Delete" option in WLS6.1 console but DB
    Schema has the foregin key constraint
    , so the mechanism "DBCascade Delete" does still work ??
    Anyone can explain how it work in WLS 6.1 ??
    Thank in advance.
    Alan Chang.

    Alan,
    This option is really only a 'convenience' feature for development and prototyping.
    It really is a 'best approximation[ - - for more control, you really need to
    define the schema definition 'by hand' (as you did as a prior step that worked)
    Chuck Nelson
    Developer Relations Engineer
    BEA Support

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