单项选择题
A. Jobs B. Chains C. Windows D. Window groups E. Schedule
A. 20% SGA 80% PGA B. 25% SGA 75% PGA C. 50% SGA 50% PGA D. 75% SGA 25% PGA E. 80% SGA 20% PGA
A. SQL text B. Shared server requests （Oracle MTS） C. Bind variable values D. Information about transactions E. Remote DESCRIBE and COMMIT operations