0
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1answer
13 views

Oracle Autodop disabled at the table level

I have a question related to Oracle auto DOP and parallel DML concepts. I have a scenario, if I set the Auto DOP set to 1 on the table and if I run parallel DML statements on that table through ...
0
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1answer
54 views

Oracle scheduler max_jobs_Slave_processes is set to null, how many will be allocated?

Executing the following query against my database: select value from dba_scheduler_global_attribute where attribute_name='MAX_JOB_SLAVE_PROCESSES'; yields a value of NULL. My question is what ...
2
votes
1answer
3k views

In Oracle, if parallel_max_servers is set to be significantly less than the DOP can the explain plan be sub-optimal?

For tables that have DEGREE DEFAULT, the degree of parallelism (DOP) is calculated by Oracle using number of CPUs and number of threads per CPU amongst other things. As I understand it, when costing ...
1
vote
1answer
175 views

Why am I not seeing any benefits of parallel execution when parallel clause is used?

I have these two methods of creating a table and populating with rows. The first one uses a parallel (degree 3) clause, so I expected the inserts to be much faster. But I timed the time taken for a) ...