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DATA ENGINEERING ASSOCIATE WITH DATABRICKS EXAM WITH GUARANTEED ACCURATE ANSWERS $13.49   Add to cart

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DATA ENGINEERING ASSOCIATE WITH DATABRICKS EXAM WITH GUARANTEED ACCURATE ANSWERS

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DATA ENGINEERING ASSOCIATE WITH DATABRICKS DATA ENGINEERING ASSOCIATE WITH DATABRICKS EXAM WITH GUARANTEED ACCURATE ANSWERS What is done with the control plane? - ACCURATE ANSWERS web application notebooks jobs cluster management What is done with the data plane? - ACCURATE ANSWERS spi...

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  • November 1, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • DATA ENGINEERING ASSOCIATE
  • DATA ENGINEERING ASSOCIATE
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GRADEUNITS
DATA ENGINEERING ASSOCIATE WITH
DATABRICKS
DATA ENGINEERING ASSOCIATE WITH DATABRICKS EXAM WITH GUARANTEED
ACCURATE ANSWERS




What is done with the control plane? - ACCURATE ANSWERS✔✔
web application
notebooks
jobs
cluster management


What is done with the data plane? - ACCURATE ANSWERS✔✔
spinning up clusters
data processing
accessing data sources

,SQL: Create table with specific columns - ACCURATE ANSWERS✔✔
CREATE TABLE students (id INT, name STRING)


SQL: Insert data - ACCURATE ANSWERS✔✔ INSERT INTO students
VALUES (1, "Omar")


Does ACID guarantee inserting many records in a single transaction? -
ACCURATE ANSWERS✔✔ Yes


SQL: Update record - ACCURATE ANSWERS✔✔ UPDATE students
SET value = value + 1
WHERE name LIKE "T%" // starts with T


SQL: Delete record - ACCURATE ANSWERS✔✔ DELETE FROM
students
WHERE value > 6


// Boolean is lowercase
// equals is single =


What is upsert? - ACCURATE ANSWERS✔✔ Allows updates, inserts
and other manipulations in a single command

, SQL: Merge for CDC - ACCURATE ANSWERS✔✔ MERGE INTO
students b
USING updates u
ON b.id=u.id
WHEN MATCHED AND u.type = "update"
THEN UPDATE SET *


THEN INSERT *
WHEN NOT MATCHED AND
THEN DELETE


Which metastore does databricks use by default? - ACCURATE
ANSWERS✔✔ Hive


SQL: See details about Delta table including number of files -
ACCURATE ANSWERS✔✔ DESCRIBE DETAIL students


What does OPTIMIZE do? - ACCURATE ANSWERS✔✔ Replace
existing data files by combining files and rewriting results


SQL: OPTIMIZE - ACCURATE ANSWERS✔✔ OPTIMIZE students
ZORDER BY id

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