Advanced Queuing - Oracle

Creating a Nonpersistent Queue
Creating a Nonpersistent Queue
Figure 9–6 Creating a Nonpersistent Queue
User/
Program
AQ Administrative Interface : CREATING a Nonpersistent Queue
CREATE
a Nonpersistent
Queue
OR
default
for multiconsumers
optional
information
name
queue
specify
singleconsumer
queue
add
comment
See Also: Table 9–1 for a list of adminstrative interface basic
operations
Purpose
Create a nonpersistent queue.
specify
multiconsumer
queue
Usage Notes
The queue may be either single-consumer or multiconsumer queue. All queue
names must be unique within a schema. The queues are created in a 8.1 compatible
system-created queue table (AQ$_MEM_SC or AQ$_MEM_MC) in the same schema as
that specified by the queue name. If the queue name does not specify a schema
name, the queue is created in the login user’s schema. Once a queue is created with
CREATE_NP_QUEUE, it can be enabled by calling START_QUEUE. By default, the
queue is created with both enqueue and dequeue disabled.
You can enqueue RAW and Object Type (ADT) messages into a nonpersistent
queue. You cannot dequeue from a nonpersistent queue. The only way to retrieve a
9-26 Oracle9i Application Developer’s Guide - Advanced Queuing