Alibaba Cloud Elastic MapReduce (E-MapReduce) is a big data processing solution to quickly process
huge amounts of data. Based on open source Apache Hadoop and Apache Spark, E-MapReduce flexibly
manages your big data use cases such as trend analysis, data warehousing, and analysis of continuously
streaming data.
Score 1
Scenario: Jack is the administrator of project prj1. A new team member, Alice (already has an Alibaba
Cloud account alice@aliyun.com), applies for joining this project with the following permissions: view
table lists, submit jobs, and create tables. Which of the following SQL statements is useless:
Score 2
Alibaba Cloud Quick BI reporting tools support a variety of data sources, facilitating users to analyze
and present their data from different data sources. ______ is not supported as a data source yet.
Score 2
