B Package Binding Options in Oracle Application Server for DRDA

This appendix discusses the DB2 DSN subcommand BIND PACKAGE options that are used when Oracle binds a client application' package. This appendix lists the options supported for package binding in this implementation.

Further details on the BIND PACKAGE subcommand are part of the following volume: DB2® 10 for z/OS® Command Reference (SC19-2972-05).

CONCURRENTACCESSRESOLUTION

Always implements WAITFOROUTCOME semantics; this is fundamental to how Oracle does data locking, and cannot be changed.

CURRENTDATA

Supports YES semantics.

DBPROTOCOL

Supports DRDA semantics.

DEFER/NODEFER

Supports NODEFER semantics.

DYNAMICRULES

Supports RUN semantics.

Default qualifier usage applies for each statement, as defined by DB2's rules. This is equivalent to SET CURRENT SQLID for a STATIC or DYNAMIC SQL statement. However, Oracle restricts object access authorization to the current logon id, and not the package owner's id. To control object access, the logon must be handled either through an explicit access grant (object grants, or role grants), or through a stored procedure that imposes object access authorization.

ENABLE/DISABLE

Supports ENABLE semantics.

EXTENDEDINDICATOR

Supports NO semantics.

ISOLATION

Supports CS semantics.

Oracle, and therefore Oracle Application Server for DRDA, do not support most isolation modes. Oracles data isolation mode may be described as a compromise between CS and RR. This cannot be changed because it is fundamental to how Oracle implements data integrity management. While the value is ignored, it is stored with the package definition for future processing.

KEEPDYNAMIC

Supports YES semantics.

OWNER

Authorization id must be a valid Oracle userid.

QUALIFIER

Qualifier name should be a valid schema name within Oracle.

RELEASE

Implements COMMIT semantics.

When using DRDA, the release of resources is performed at different level. At Commit/Rollback, the semantics of the cursor or statement may request a release of cursor and object locks. Other resources, such as the package itself, are retained until the session ends, and are only then de-allocated. This behaviors is specified largely by the client at runtime, rather than by the server.

REOPT

Implements AUTO semantics.

Oracle, by default, automatically evaluates execution plans based on statement and host variables; both STATIC or DYNAMIC statements receive the same treatment.

ROUNDING

Implements HALFEVEN semantics.

VALIDATE

Implements RUN semantics.

This option is ignored because Oracle Application Server for DRDA does not perform validation of STATIC SQL statements.