DatabricksCertified Data Analyst Associate
Domain 4Objective 6
Write Queries to Combine Tables Using Various Join Operations (inner, Left, Right, and So on) with Single or Multiple Keys, as Well as Set Operations Like Union and Union All, Including the Differences Between the Joins (inner, Left, Right, and So On). DATA-ANALYST-ASSOCIATE Practice Questions (Page 1)
Part of the Section 4: Executing queries using Databricks SQL and Databricks SQL Warehouses domain, which makes up ~22% of our current practice bank. Databricks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~8–13 in this domain), expect 1–1 from this objective — we provide 28 practice questions to prepare you well beyond it. (estimate)
28questions here
6free pages
15concepts
Questions 1–5
- 1
Which set operation is generally more performant because it does not need to deduplicate rows?
Select an answer first - 2
Which join type returns all rows from the right table and only matching rows from the left table?
Select an answer first - 3
Why would you use multiple join keys in a join?
Select an answer first - 4
Which join type produces the Cartesian product of two tables?
Select an answer first - 5
Which set operation combines results from two SELECT statements and removes duplicate rows?
Select an answer first
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