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Advanced Queuing - Oracle

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Selecting Messages in Queue Table<br />

Figure 10–7 Selecting Messages in Queue Table<br />

User/<br />

Program<br />

AQ Administrative Interface : SELECTING Messages in Queue Table<br />

SELECT<br />

Messages in<br />

Queue Table<br />

OR<br />

QUEUE<br />

name<br />

message<br />

DELAY<br />

(seconds)<br />

User view:<br />

AQ$<br />

list<br />

all queue<br />

table attributes<br />

MSG_ID<br />

of the<br />

message<br />

list<br />

attribute<br />

names<br />

CORR_ID<br />

user-provided<br />

identifier<br />

DEQ_TIME DEQ_USER_ID DEQ_TXN_ID<br />

EXCEPTION_<br />

QUEUE<br />

name<br />

ORIGINAL_<br />

MSGID<br />

of message in<br />

source queue<br />

EXPIRATION<br />

interval<br />

message expires<br />

(seconds)<br />

USER_DATA<br />

CONSUMER_<br />

NAME of the<br />

agent receiving<br />

message<br />

Selecting Messages in Queue Table<br />

List at<br />

least one<br />

attribute<br />

MSG_<br />

PRIORITY<br />

ENQ_TIME ENQ_USER_ID<br />

SENDER_NAME<br />

enqueing the<br />

message<br />

ADDRESS<br />

of agent<br />

receiving<br />

RETRY_<br />

COUNT<br />

SENDER_<br />

ADDRESS of<br />

last propagation<br />

queue<br />

PROTOCOL<br />

for receiving<br />

agent's address<br />

MSG_STATE<br />

of this message<br />

ENQ_TXN_ID<br />

EXCEPTION_<br />

QUEUE_OWNER<br />

exception queue<br />

schema<br />

SENDER_<br />

PROTOCOL<br />

for sender<br />

address<br />

PROPAGATED_<br />

MSGID in<br />

receiving agent's<br />

queue<br />

Administrative Interface: Views 10-17

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