フリー問題

問題文

An analyst notices that the interactive SQL engine has two kinds of process, one that receives the statement and one that scans the files. Which pairing of the roles holds?

選択肢

1. The planner that accepts the statement and the collector that reads the files, under one shared specification of the table.
2. The scheduler that accepts the statement and the reporter that reads the files, under one shared specification of the table.
3. The catalog that accepts the statement and the gateway that reads the files, under one shared specification of the table.
4. The coordinator that accepts the statement and the executor that reads the files, under one shared specification of the table.