250-608 試験問題を無料オンラインアクセス

Which two types of external tables are supported in Greenplum?
(Choose two)

• A.Logical table
• B.Readable external table
• C.Writable external table
• D.Distributed mirror table

What type of data format is typically required for inserting text documents into GPText collections?

• A.JSON
• B.CSV
• C.Avro
• D.Binary HEX

What happens when Greenplum cannot perform a local join due to mismatched distribution keys?

• A.Data replication is triggered automatically
• B.The query falls back to the master node for execution
• C.A broadcast motion or redistribute motion occurs
• D.The query fails with a distribution error

A Greenplum external table is primarily used to:

• A.Create machine learning models
• B.Allow querying data stored outside the database without loading it
• C.Replicate data from one database to another
• D.Execute system-level commands directly from SQL

How does Greenplum ensure data consistency during backups?

• A.By replicating data to external storage
• B.By locking all user tables
• C.By using transaction snapshots
• D.By creating immediate binary copies of each segment