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 ...
I'm just curious why an aggregate query runs so much faster with a GROUP BY clause than without one. For example, this query takes almost 10 seconds to run SELECT MIN(CreatedDate) FROM MyTable WHERE ...
I have a query which selects from multiple views and is fairly I/O heavy. If I execute this query using Management Studio it uses parallelism across most of the 16 CPUs and completes in under 10 ...