Oracle Database 19c Performance and Tuning Management - 1Z0-084 Free Exam Questions

A. Plan usage data

B. Enqueue statistics

C. Parent and child latches

D. Optimizer execution plans

E. Parent and child latches

F. Segment-level statistics

A. When a global temporary table instantiation is too large to fit in memory, space is allocated in a temporary tablespace.

B. Temporary tablespaces setting Includes quotas to limit temporary space used by a session for that Temporary tablespace.

C. When a session consumes all temporary tablespace storage, then the session would hang until the temporary space used by that session is cleared.

D. A sort will fail if a sort to disk requires more disk space and no additional extent can be found/allocated in/for the sort segment.

E. Lack of temporary tablespace space for sort operations can be prevented by using temporary tablespace groups.

A. Shared Pool Memory Allocation

B. Syntax Check

C. SQL Optimization

D. Semantic Check

E. SQL Row Source Generation

A. In the current working directory

B. By viewing V$SERV_MOD_ACT_STATS

C. In $ORACLE_BASE/diag/rdbms/<db unique name>/<instance name>/trace

D. By viewing V$SERVICE_STATS

A. Create an index on SALES.TIME_ID to force the return of rows in the order specified by the ORDER BY clause.

B. Collect a new set of statistics on PRODUCT, CUSTOMERS, and SALES because the current stats are inaccurate.

C. Create an index on SALES.CUST_ID to force an INDEX RANGE SCAN on this index followed by a NESTED LOOP join between CUSTOMERS and SALES.

D. Enable Adaptive Plans so that Oracle can change the Join method as well as the Join order for this query.

E. Replace the FETCH FIRST clause with ROWNUM to enable the use of an index on SALES.

A. Deployment

B. Production

C. Design and development

D. Testing

E. Migration or upgrade