Google LookML-Developer

From a free demo to 365 days of free updates and a conditional money-back guarantee, Dumpkiller covers every stage of your Google Looker LookML Developer preparation. Start with the 51 LookML-Developer practice questions today and make 2026 the year you get certified.

Google LookML-Developer Exam Overview:

Google LookML-Developer Exam Syllabus Topics:

Your LookML-Developer Exam Questions, Answered

What is the LookML-Developer exam all about?

The Google Looker LookML Developer exam (code: LookML-Developer) is the official Google exam that leads to the LookML Developer certification. It sits at the Professional level of the Google certification track. It is also connected with related credentials such as Google Cloud Looker Business Analyst, Google Cloud Data Analyst, Google Cloud Data Engineer. Passing it proves to employers that your skills have been validated by Google itself, which is why the LookML-Developer credential keeps showing up in job postings.

How many questions are in the LookML-Developer exam, and how long does it take?

The Google Looker LookML Developer exam gives you 120 minutes to work through Not publicly disclosed. Pacing matters more than most candidates expect, so before exam day, run at least one full timed session in the Dumpkiller test engine to learn how long you can afford per question. If an item stalls you, flag it and move on — coming back later beats burning five minutes on a single question.

What score do I need to pass the LookML-Developer exam, and how much does it cost?

The passing score for the Google Looker LookML Developer exam is Not publicly disclosed, and the official registration fee is $125 USD (may vary by region). Remember that a failed attempt means paying that fee in full again, so a timed self-assessment with Dumpkiller practice questions about a week before your exam date is a cheap way to confirm you are scoring comfortably above Not publicly disclosed.

Are there any prerequisites for the LookML-Developer exam?

According to Google, the following applies: No formal prerequisites required, but recommended experience with SQL, data modeling, and Looker platform usage. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://cloud.google.com/certification/looker-lookml-developer before you register.

How do I register for the LookML-Developer exam?

You can book your Google Looker LookML Developer exam through the official channels below:

• Google Cloud Certification - Looker
• Looker Training and Certification Portal

Depending on availability in your region, the exam is delivered as Online proctored exam via authorized certification platform.

What official training does Google recommend for the LookML-Developer exam?

Google lists the following training options for Google Looker LookML Developer candidates:

• Looker LookML Developer Learning Path
• Looker Documentation - LookML

Official courses build a solid foundation, and pairing them with the 51 practice questions from Dumpkiller shows you how ready you really are before you spend money on the exam itself.

Can I try the LookML-Developer practice questions before buying?

Yes. Dumpkiller offers a free LookML-Developer PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your Google Looker LookML Developer material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.

What happens if I do not pass the LookML-Developer exam, and how is my order delivered?

If you take the corresponding LookML-Developer exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.

What topics are covered in the LookML-Developer exam?

The official Google Looker LookML Developer syllabus is organized into 5 main domains. The first three are Development Workflow, LookML Fundamentals, and Security and Governance. For the full domain-by-domain breakdown, see the complete Exam Topics outline above.

Google Looker LookML Developer Sample Questions:

Question 1

Users report that the main dashboard has been slow to show results.
Which two options should the developer evaluate to improve dashboard performance? (Choose two.)

A. Amount of data rendered for each query
B. Number of queries used by the dashboard
C. Ratio of visualizations to text tiles
D. Number of databases used by dashboard elements
E. Format used to deliver these reports

Question 2

After running the Content Validator, a developer can see the error "Unknown field".
Which two changes could cause this issue? (Choose two.)

A. Explore label was changed from users to customers.
B. Model name was changed from e_commerce to reporting.
C. Field type was changed from number to string.
D. View name was changed from users to customers.
E. Field name was changed from id to user_id.

Question 3

The code below shows a view order_items with its measures total_revenue and user_count

Which code correctly represents a new measure that calculates average revenue per user?
A)

B)

C)

D)

A. Option D
B. Option B
C. Option C
D. Option A

Question 4

A LookML developer has written the following persistent derived table. It references orders_rollup, another persistent derived table that also rebuilds with the same SQL trigger value.

Which change is needed to guarantee that user_facts will always rebuild with the latest data from orders_rollup?

A. Change the orders_rollup view reference to the literal table name from the database's scratch schema.
B. Change the orders_rollup view reference to ${orders_rollup.DERVIED_TABLE_NAME}
C. Change the sql_trigger_value parameter of user_facts to select the current date plus one hour, so it triggers an hour after orders_rollup.
D. Change the sql_trigger_value parameter for both persistent derived tables to a datagroup_trigger parameter, and set them to use the same datagroup.

Question 5

A user reports that a query run against the orders Explore takes a long time to run. The query includes only fields from the users view. Data for both views is updated in real time. The developer runs the following query in SQL Runner and quickly receives results:
SELECT * FROM users.
What should the developer do to improve the performance of the query in the Explore?

A. Create an Explore with users as the base table.
B. Create a persistent derived table from the user's query.
C. Create an ephemeral derived table from the user's query.
D. Add persist_for: "24 hours" to the orders Explore.

Solutions: