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Question 36 - DEA-C01 discussion

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Robert, A Data Engineer, found that Pipe become stale as it was paused for longer than the limited retention period for event messages received for the pipe (14 days by default) & also the previous pipe owner transfers the ownership of this pipe to Robert role while the pipe was paused. How Robert in this case, Resume this stale pipe?

A.
PIPE needs to recreate in this scenario, as pipe already past 14 days of period & stale.
Answers
A.
PIPE needs to recreate in this scenario, as pipe already past 14 days of period & stale.
B.
He can apply System function SYSTEM$PIPE_STALE_RESUME with ALTER PIPE statement.
Answers
B.
He can apply System function SYSTEM$PIPE_STALE_RESUME with ALTER PIPE statement.
C.
Robert can use SYSTEM$PIPE_FORCE_RESUME function to resume this stale pipe.
Answers
C.
Robert can use SYSTEM$PIPE_FORCE_RESUME function to resume this stale pipe.
D.
select sys-tem$pipe_force_resume('mydb.myschema.stalepipe','staleness_check_override, ownership_transfer_check_override');
Answers
D.
select sys-tem$pipe_force_resume('mydb.myschema.stalepipe','staleness_check_override, ownership_transfer_check_override');
E.
ALTER PIPES ... RESUME statement will resume the pipe.
Answers
E.
ALTER PIPES ... RESUME statement will resume the pipe.
Suggested answer: D

Explanation:

When a pipe is paused, event messages received for the pipe enter a limited retention period. The period is 14 days by default. If a pipe is paused for longer than 14 days, it is considered stale.

To resume a stale pipe, a qualified role must call the SYSTEM$PIPE_FORCE_RESUME function and input the STALENESS_CHECK_OVERRIDE argument. This argument indicates an under-standing that the role is resuming a stale pipe.

For example, resume the stale stalepipe1 pipe in the mydb.myschema database and schema:

SELECT SYS-TEM$PIPE_FORCE_RESUME('mydb.myschema.stalepipe1','staleness_check_override');

While the stale pipe was paused, if ownership of the pipe was transferred to another role, then resuming the pipe requires the additional OWNERSHIP_TRANSFER_CHECK_OVERRIDE argu-ment. For example, resume the stale stalepipe2 pipe in the mydb.myschema database and schema, which transferred to a new role:

SELECT SYS-TEM$PIPE_FORCE_RESUME('mydb.myschema.stalepipe1','staleness_check_override, own-ership_transfer_check_override');

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asked 23/09/2024
Kinzonji Tavares
42 questions
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