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Databricks Certified Data Analyst Associate Exam - Topic 2 Question 3 Discussion

A data analyst runs the following command:INSERT INTO stakeholders.suppliers TABLE stakeholders.new_suppliers;What is the result of running this command?
B) The command fails because it is written incorrectly.
A) The suppliers table now contains both the data it had before the command was run and the data from the new suppliers table, and any duplicate data is deleted.
C) The suppliers table now contains both the data it had before the command was run and the data from the new suppliers table, including any duplicate data.
D) The suppliers table now contains the data from the new suppliers table, and the new suppliers table now contains the data from the suppliers table.
E) The suppliers table now contains only the data from the new suppliers table.

Databricks Certified Data Analyst Associate Exam - Topic 2 Question 3 Discussion

Actual exam question for Databricks's Databricks Certified Data Analyst Associate exam
Question #: 3
Topic #: 2
[All Databricks Certified Data Analyst Associate Questions]

A data analyst runs the following command:

INSERT INTO stakeholders.suppliers TABLE stakeholders.new_suppliers;

What is the result of running this command?

Show Suggested Answer Hide Answer
Suggested Answer: B

The commandINSERT INTO stakeholders.suppliers TABLE stakeholders.new_suppliersis not a valid syntax for inserting data into a table in Databricks SQL.According to the documentation12, the correct syntax for inserting data into a table is either:

INSERT { OVERWRITE | INTO } [ TABLE ] table_name [ PARTITION clause ] [ ( column_name [, ...] ) | BY NAME ] query

INSERT INTO [ TABLE ] table_name REPLACE WHERE predicate query

The command in the question is missing theOVERWRITEorINTOkeyword, and thequerypart that specifies the source of the data to be inserted. TheTABLEkeyword is optional and can be omitted. ThePARTITIONclause and the column list are also optional and depend on the table schema and the data source. Therefore, the command in the question will fail with a syntax error.


INSERT | Databricks on AWS

INSERT - Azure Databricks - Databricks SQL | Microsoft Learn

by Gail at Jan 28, 2024, 09:15 PM

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Antonette
9 months ago
I thought it would just replace the old data, not combine it!
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Carlee
9 months ago
No way it deletes duplicates, that's not how SQL works.
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Javier
9 months ago
Wait, does it really keep duplicates? That's odd.
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Lindsay
10 months ago
Definitely goes with option C!
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Wilbert
10 months ago
I think the command is actually incorrect.
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Corrie
10 months ago
I thought the command would fail because of the syntax; it seems off to me, but I can't remember the exact rules for INSERT statements.
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Rueben
10 months ago
I feel like option C makes the most sense since it says both sets of data will be combined, but I’m a bit confused about the duplicates part.
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Noel
10 months ago
I remember a similar question where we discussed how INSERT commands work, but I can't recall if this syntax is correct.
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Lavonne
11 months ago
I think the command is supposed to add data from the new suppliers table to the existing suppliers table, but I'm not sure if it handles duplicates.
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Nakisha
11 months ago
I'm pretty confident I know the answer to this one. The INSERT INTO command will merge the data from the new_suppliers table into the suppliers table.
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Lilli
11 months ago
Okay, let me break this down step-by-step. The key is understanding how the INSERT INTO statement works with a TABLE clause.
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Haley
11 months ago
The wording of the question is a bit confusing. I'm not sure if the command is written correctly or what the expected result would be.
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Chauncey
11 months ago
Hmm, this looks like a tricky SQL question. I'll need to think through the syntax and logic carefully.
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Elli
11 months ago
I'm a bit unsure about this one. I'll need to review my SQL knowledge to determine the correct outcome of running this command.
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Gabriele
11 months ago
I've got an idea - what if we use the ESB to cache the responses from the external systems and return a request ID to the Lightning UI? That way, the users can check for updates later without having to wait for the full response.
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Amie
11 months ago
This is tricky! I feel like it might be about script parameters, but I'm not entirely confident.
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Malika
11 months ago
Hmm, I'm a bit unsure about this one. The options seem pretty similar, so I'll need to really analyze each one to figure out the right answer.
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