In MaxCompute, which object is the basic unit used for billing, access control and namespace isolation?
Maxcompute
Question · Easy
MaxCompute billing is based on three components. Which set correctly lists them?
Question · Medium
Which service is the recommended way to batch upload large volumes of data into a MaxCompute table?
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A MaxCompute table is partitioned by the column 'ds' (date). What is the main benefit of querying with a partition filter such as WHERE ds = '20260101'?
In MaxCompute SQL, which statement is used to add a new partition to an existing partitioned table?
Which type of MaxCompute user-defined function takes a single row of input and returns a single output value, similar to a built-in scalar function?
Which MaxCompute user-defined function type aggregates multiple input rows into a single output value?
In MaxCompute, what is the role of a 'resource' such as a JAR file or a Python script?
True or False: MaxCompute is a serverless data warehouse, so users do not provision or manage the underlying compute clusters themselves.
What is a MaxCompute external table?
Which statement best describes the MaxCompute storage model for cost purposes?
In MaxCompute SQL, which clause should you use to filter rows after a GROUP BY aggregation?
Which compute frameworks can run jobs on MaxCompute in addition to MaxCompute SQL?
A team wants to reduce MaxCompute compute cost on a large daily table. Which approach is most directly effective?
In MaxCompute, what does a 'running instance' represent?
Which data type category does MaxCompute use to store true/false values?
What is the purpose of the MaxCompute LIFECYCLE setting on a table or partition?
Which statement about MaxCompute SQL INSERT behavior is correct?
A MaxCompute project administrator wants to grant another user read access to a single table. Which mechanism is appropriate?
Which of the following is the most accurate description of MaxCompute?
In MaxCompute SQL, which function would you use to extract the year from a DATETIME column named order_time?
Why might you choose a non-partitioned MaxCompute table over a partitioned one for a small reference table?
Question · Hard
Which tool is commonly used to run MaxCompute SQL and manage projects from the command line?
What was MaxCompute originally known as before it was rebranded?
Which statement about MaxCompute SQL and indexes is correct?
In MaxCompute, what does the GROUP BY ... GROUPING SETS construct allow you to do?
Which statement about loading data from OSS into MaxCompute is correct?
What is OSS (Object Storage Service) primarily used for in an Alibaba Cloud big data architecture?
Which Alibaba Cloud service is a fully managed NoSQL wide-column store suitable for high-concurrency structured data lookups in big data scenarios?
Which service provides a managed pub/sub data bus for streaming data ingestion that downstream services such as Realtime Compute can consume?
In MaxCompute SQL, which join type returns only rows that have matching keys in both tables?
A MaxCompute query over a partitioned fact table is slow and expensive because it scans every partition. The query has no partition filter. What is the best first fix?
True or False: In MaxCompute, you can register a Python or JAR file as a resource and then create a UDF that references it.
Which clause in MaxCompute SQL is used with window functions to define the set of rows each function operates over?
What is the recommended way to share specific tables from one MaxCompute project with another project securely?
Which MaxCompute SQL function returns the number of rows in a group, including how it handles NULLs when given a column argument?
When designing a MaxCompute table that receives daily incremental data, what is a common best practice?
Which statement about MaxCompute and standard ANSI SQL compatibility is most accurate?
What does the MaxCompute MapReduce framework allow developers to do?
A developer wants the cheapest reliable way to query a one-off dataset that already sits in OSS, without permanently importing it into MaxCompute managed storage. What should they use?
Which MaxCompute concept ensures that two SQL jobs submitted by different users in the same project are isolated for billing and quota purposes?
What is the primary role of DataWorks in the Alibaba Cloud big data stack?
Dataworks
Which DataWorks module is used to author SQL and other data processing code in a visual workflow?
In DataWorks Data Integration, what must be configured before you can build a sync task that reads from a source such as MySQL or OSS?
Which DataWorks capability lets a downstream node run only after its upstream nodes have completed successfully?
True or False: In DataWorks, a periodic node can be scheduled to run automatically on a daily, hourly or other recurring basis.
Which DataWorks feature provides a metadata catalog where users can search for tables, view schemas and understand data lineage?
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