In DataWorks, a task should be instantiated first before a
scheduled task is running every time, that is, generating a
corresponding instance which is executed for running the
scheduled task. The status is different in each phase of the
scheduling process, including ________. (Number of correct
answers: 3)

A Log table named log in MaxCompute is a partition table, and the partition key is dt. Anew partition is created daily to store the new data of that day. Now we have one month's data, starting from dt='20180101' to dt='20180131', and we may use ________ to delete the data on 20180101.

MaxCompute is a general purpose, fully managed, multi-tenancy data processing platform for largescale data warehousing, and it is mainly used for storage and computing of batch structured data. Which of the following is not a use case for MaxCompute?
Score 2

DataWorks provides two billing methods: Pay-As-You-Go (post-payment) and subscription (prepayment).
When DataWorks is activated in pay-as-you-go mode, Which of the following billing items will not apply?
Score 2

Where is the meta data (e.g.,table schemas) in Hive?