Welcome to ExamTopics
ExamTopics Logo
- Expert Verified, Online, Free.
Mail Us[email protected]
Menu
Databricks Discussions
exam questions

Exam Certified Data Engineer Associate All Questions

View all questions & answers for the Certified Data Engineer Associate exam
Go to Exam

Exam Certified Data Engineer Associate topic 1 question 80 discussion

Actual exam question from Databricks's Certified Data Engineer Associate
Question #: 80
Topic #: 1
[All Certified Data Engineer Associate Questions]

A dataset has been defined using Delta Live Tables and includes an expectations clause:

CONSTRAINT valid_timestamp EXPECT (timestamp > '2020-01-01') ON VIOLATION FAIL UPDATE

What is the expected behavior when a batch of data containing data that violates these constraints is processed?

  • A. Records that violate the expectation are dropped from the target dataset and recorded as invalid in the event log.
  • B. Records that violate the expectation cause the job to fail.
  • C. Records that violate the expectation are dropped from the target dataset and loaded into a quarantine table.
  • D. Records that violate the expectation are added to the target dataset and recorded as invalid in the event log.
  • E. Records that violate the expectation are added to the target dataset and flagged as invalid in a field added to the target dataset.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by meow_akk at Oct. 22, 2023, 5:46 a.m.

Comments

Chosen Answer:
This is a voting comment (?) , you can switch to a simple comment.
Switch to a voting comment New
Submit Cancel
CommanderBigMac
2 months, 2 weeks ago
Selected Answer: B
B is the way
upvoted 1 times
...
benni_ale
7 months ago
Selected Answer: B
b is ok
upvoted 1 times
...
55f31c8
12 months ago
Selected Answer: B
https://docs.databricks.com/en/delta-live-tables/sql-ref.html#sql-properties ON VIOLATION Optional action to take for failed rows: FAIL UPDATE: Immediately stop pipeline execution. DROP ROW: Drop the record and continue processing.
upvoted 2 times
...
Bakhtiyor
1 year ago
ON VIOLATION FAIL UPDATE: Immediately stop pipeline execution. DROP ROW: Drop the record and continue processing.
upvoted 2 times
...
meow_akk
1 year, 1 month ago
Ans B : delta live tables data quality expectations . - https://docs.databricks.com/en/delta-live-tables/expectations.html Action Result warn (default) Invalid records are written to the target; failure is reported as a metric for the dataset. drop Invalid records are dropped before data is written to the target; failure is reported as a metrics for the dataset. fail Invalid records prevent the update from succeeding. Manual intervention is required before re-processing.
upvoted 4 times
...

Get IT Certification

Unlock free, top-quality video courses on ExamTopics with a simple registration. Elevate your learning journey with our expertly curated content. Register now to access a diverse range of educational resources designed for your success. Start learning today with ExamTopics!

Start Learning for free
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel