多项选择题
Which two statements are true regarding the SQL Repair Advisor?()
A. The SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.
B. The SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement crash.
C. The SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic SQL statement.
D. The DBA can invoke the SQL Repair Advisor when he or she receives an alert generated when a SQL statement crashes and an incident is created in the ADR.
相关考题
-
多项选择题
Which client requests to the database can be captured as a part of the workload capture?()
A. flashback query
B. distributed transactions
C. logging in and logging out of sessions
D. all DDL statements having bind variables
E. direct path load of data from external files -
单项选择题
Sales details are being stored on a daily basis in the SALES_2007 table. A large amount of data is added to the table daily. To save disk space, you issued the following command: ALTER TABLE sales_2007 COMPRESS FOR ALL OPERATIONS; What would be the outcome of this command?()
A. It produces an error because data already exists in the table.
B. It produces an error because compression can be enabled at table creation only.
C. It compresses all data added or modified henceforth but the existing data in the table is not compressed immediately.
D. It immediately compresses all existing data as well as new data, resulting from either fresh additions or modifications to existing data. -
多项选择题
Which two statements about the SQL Management Base (SMB) are true?()
A. It contains only SQL profiles generated by SQL Tuning Advisor.
B. It stores plans generated by the optimizer using a stored outline.
C. It is part of the data dictionary and stored in the SYSAUX tablespace.
D. It is part of the data dictionary and stored in the SYSTEM tablespace.
E. It contains the statement log, the plan history, plan baselines, and SQL profiles.
