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Exam Certified Data Engineer Professional topic 1 question 43 discussion

Actual exam question from Databricks's Certified Data Engineer Professional
Question #: 43
Topic #: 1
[All Certified Data Engineer Professional Questions]

The data governance team has instituted a requirement that all tables containing Personal Identifiable Information (PH) must be clearly annotated. This includes adding column comments, table comments, and setting the custom table property "contains_pii" = true.
The following SQL DDL statement is executed to create a new table:

Which command allows manual confirmation that these three requirements have been met?

  • A. DESCRIBE EXTENDED dev.pii_test
  • B. DESCRIBE DETAIL dev.pii_test
  • C. SHOW TBLPROPERTIES dev.pii_test
  • D. DESCRIBE HISTORY dev.pii_test
  • E. SHOW TABLES dev
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Suggested Answer: A 🗳️
by rok21 at Dec. 9, 2023, 6:29 p.m.

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Tedet
2 months ago
Selected Answer: A
C is wrong since Property value returned by this statement excludes some properties that are internal to spark and hive. The excluded properties are: All the properties that start with prefix spark.sql Property keys such as: EXTERNAL, comment All the properties generated internally by hive to store statistics. Some of these properties are: numFiles, numPartitions, numRows.
upvoted 1 times
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RandomForest
3 months, 2 weeks ago
Selected Answer: A
Answer A is correct as explained by lexaneon
upvoted 1 times
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lexaneon
10 months ago
looks like A & C are correct.. https://docs.databricks.com/en/sql/language-manual/sql-ref-syntax-aux-show-tblproperties.html#show-tblproperties
upvoted 3 times
lexaneon
10 months ago
if we want to see also columns comments then A
upvoted 5 times
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rok21
10 months, 4 weeks ago
Selected Answer: A
correct A !
upvoted 4 times
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