Question 86

How are the operational aspects of Lakeflow Declarative Pipelines different from Spark Structured Streaming?
  • Question 87

    A newly joined team member John Smith in the Marketing team currently has access read access to sales tables but does not have access to update the table, which of the following commands help you accomplish this?
  • Question 88

    A Delta Lake table representing metadata about content posts from users has the following schema:
    user_id LONG, post_text STRING, post_id STRING, longitude FLOAT, latitude FLOAT, post_time TIMESTAMP, date DATE This table is partitioned by the date column. A query is run with the following filter:
    longitude < 20 & longitude > -20
    Which statement describes how data will be filtered?
  • Question 89

    The data engineering team maintains a table of aggregate statistics through batch nightly updates. This includes total sales for the previous day alongside totals and averages for a variety of time periods including the 7 previous days, year-to-date, and quarter-to-date. This table is namedstore_saies_summaryand the schema is as follows:

    The tabledaily_store_salescontains all the information needed to updatestore_sales_summary. The schema for this table is:
    store_id INT, sales_date DATE, total_sales FLOAT
    Ifdaily_store_salesis implemented as a Type 1 table and thetotal_salescolumn might be adjusted after manual data auditing, which approach is the safest to generate accurate reports in thestore_sales_summarytable?
  • Question 90

    Which of the following statements describes Delta Lake?