Which of the following description about FusionInsight multi-tenant management is correct? (Multiple choice)

Hive does not retrieve whether the data conforms to the schema during load. Hive follows the schema on read (read mode) and only checks the Hive data field schema during the read mode.

Big data requires a change in traditional industry thinking. Data collection and analysis should be regarded as an important part of business processes. The data end drives business process optimization, realizes intelligence and automation, and realizes cross-border expansion by relying on data assets.

In what scenarios is the MapReduce component of Hadoop good at handling computing tasks?

Spark and Hadoop are not suitable for iterative calculation computing.