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Monthly Archives - December 2022

Which of the below query will you run to get the approximate number of distinct values in a table?

Which of the below query will you run to get the approximate number of distinct values in a table?A . select approx_count_distinct(column1) from table1; B. select approx_count(column1) from table1; C. select count_distinct(column1 approx) from table1;View AnswerAnswer: A Explanation: APPROX_COUNT_DISTINCT Uses HyperLogLog to return an approximation of the distinct cardinality of...

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After identifying the potential causes for delays in communicating demand information up the supply chain, the trading partners should take which of the following actions?

After identifying the potential causes for delays in communicating demand information up the supply chain, the trading partners should take which of the following actions?A . Implement a higher-speed data communications network. B. Change procedures so data is communicated more frequently. C. Identify the root causes for the delays. D....

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Out of the three query optimization techniques(search optimization, clustering and materialized view) which one does not have storage cost

Out of the three query optimization techniques(search optimization, clustering and materialized view) which one does not have storage costA . Search Optimization Service B. Materialized View C. Clustering the TableView AnswerAnswer: C Explanation: The following table shows which of these three optimizations have storage or compute costs:

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{"stuId":2000,"stuCourse":"Snowflake"}

{"stuId":2000,"stuCourse":"Snowflake"} How will you write a query that will check if stuId in JSON in #1 is also there in JSON in#2A . with stu_demography as (select parse_json(column1) as src, src:stuId as ID from values('{"stuId":2000, "stuName":"Amy"}')), B. stu_course as (select parse_json(column1) as src, src:stuId as ID from values('{"stuId":2000,"stuCourse":"Snowflake"}')) select case...

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