250-608 무료 덤프문제 온라인 액세스

In the context of Greenplum's segment nodes, which two statements are true?
(Choose two)

• A.Segments cannot store replicated data
• B.Segments execute parts of the query independently
• C.Each segment runs its own PostgreSQL instance
• D.Segments share disk with other segments

How can VACUUM ANALYZE help improve query performance in Greenplum?

• A.By updating table statistics used by the optimizer
• B.By converting heap tables to append-only tables
• C.By compressing indexes for faster access
• D.By removing all user data

Which command is used to back up a Greenplum database?

• A.gpbackup
• B.gpdistbackup
• C.gpload
• D.gptransfer

Which two components are typically used together for high-performance parallel data loading in Greenplum?
(Choose two)

• A.gpload
• B.gpfdist
• C.psql
• D.gptransfer

Which Greenplum component is primarily responsible for generating an efficient execution plan based on query cost?

• A.Segment Dispatcher
• B.Query Optimizer
• C.Master Scheduler
• D.Resource Queue Manager