Which three statements are true about using the In Memory (IM) column store? (Choose three.)
An Oracle 19c database uses default values for all optimizer initialization parameters.After a table undergoes partition maintenance, a large number of wait events occur for: cursor: pin S wait on XWhich command reduces the number of these wait events?
Which two statements are true about cursor sharing? (Choose two.)
Examine this statement and output:Which three statements are true? (Choose three.)
Accessing the SALES table causes excessive db file sequential read wait events.Examine this AWR excerpt:Now, examine these attributes displayed by querying DBA_TABLES:Finally, examine these parameter settings:Which two must both be used to reduce these excessive waits? (Choose two.)
The CURSOR_SHARING and OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES parameters are set to default. The top five wait events in an AWR report are due to a large number of hard parses because of several almost identical SQL statements.Which two actions could reduce the number of hard parses? (Choose two.)
