dbt-Analytics-Engineering dbt Analytics Engineering Certification Exam Questions and Answers

This test is a singular test , meaning it is defined as a standalone SQL file placed inside the /tests directory (not attached through YAML like generic tests). dbt executes singular tests by running the SQL query, and the test fails if the query returns any rows . In this case, the test selects all records from fct_orders where status_code = 13. That means if even one row in fct_orders has a status code of 13, the test will fail , because dbt interprets returned rows as evidence of a data-quality issue.

The configuration block at the top sets severity= ' error ' , meaning the test raises an error when it fails, rather than a warning. This setting overrides default severity behavior, so option B is incorrect. Singular tests do not need to be attached in YAML because they run automatically when placed under /tests → making option A incorrect. Meanwhile, generic tests live in /tests/generic, but singular tests should live directly under /tests (option C incorrect).

Therefore, the only correct statement is that records with status_code = 13 will cause the test to fail , because the test query is explicitly written to identify such rows.

The correct answer is E: They are written using the {% macro %} wrapper.

Generic tests in dbt are implemented as macros , which means they must be defined using the {% macro %} Jinja syntax. These macros return a SQL query that evaluates to rows representing test failures . dbt executes these queries and marks the test as failed if any rows are returned. This requirement is explicitly documented: all generic tests are macros located in a test directory or within a package.

Option A is partially correct but not universal. Generic tests typically accept arguments such as model or column_name, but dbt does not require both or either. Custom tests can accept any parameters defined by the user. Option B is incorrect because tests do not require ref(); dbt injects the model relation for you when the test is executed. Option C is false because generic tests must be declared in YAML under a model or source for dbt to run them. Option D is incorrect because tests do not always need a column_name (e.g., relationship tests, row-count tests, table-level validations).

Therefore, the defining and universally required characteristic is that generic tests are written as macros , making E the correct answer.

The correct answer is D: Declare the external table as a source using the external configuration.

When data arrives in an external storage system such as S3, many warehouses (like Snowflake, BigQuery, and Databricks) support external tables that reference data stored outside the warehouse. dbt fully supports external tables by allowing them to be declared as sources using the external: configuration block inside sources: in a YAML file. This tells dbt that the upstream object exists outside the warehouse and should not be materialized or transformed by dbt directly. It also enables dbt to include external data in lineage graphs, freshness checks, and downstream model dependencies.

Option A is not ideal because you still need to formally register the external table as a source; simply querying it in a model breaks the data lineage structure. Option B is unnecessary and operationally brittle—temporary tables are not required for external data ingestion. Option C is incorrect because dbt seed is intended for uploading local static CSV files , not files arriving via S3 or controlled by external vendors. Seeds do not support dynamic ingestion patterns.

Thus, the correct and documented method is to declare the external table as a source with the external configuration , allowing dbt to consume the data appropriately while maintaining proper governance and lineage.

The correct answers are B: All the code changes along the lifecycle of a project are tracked , and E: Code can be reverted to a previous state.

Git is a distributed version control system designed to maintain a complete, chronological history of all code changes. Every commit records who made the change, when it occurred, and what the modification included. This ensures transparency, reproducibility, and accountability across the development lifecycle, which makes B correct. Git also allows users to revert code to any previous commit, branch, or tag, making E correct as well. This capability is critical for recovering from mistakes, undoing faulty deployments, and ensuring stable releases.

Option A is incorrect because Git does not create file versions with suffixes; instead, it stores changes as snapshots within a repository. File suffixing is not part of Git’s functionality.

Option C is incorrect because Git does not automatically send email notifications. Notification mechanisms come from hosting platforms like GitHub, GitLab, or Bitbucket—not from Git itself.

Option D is incorrect because Git does not prevent committing sensitive information. Developers must manually ensure secrets are excluded via .gitignore, secret managers, or pre-commit hooks. Git will store whatever is committed unless prevented through tooling.

Thus, only B and E correctly describe how Git supports version control in analytics engineering and dbt workflows.

The correct answer is B: Refer to a manifest and utilize the --defer and --state flags.

According to dbt’s official documentation, the --defer flag enables developers to defer the resolution of model references (ref(), source()) to an existing manifest—commonly the one generated from a production run. When this flag is used along with --state, dbt reads the prior project state and uses the already-built production models instead of rebuilding upstream dependencies. This is essential because production models are typically large and compute-intensive. By deferring to production artifacts, developers can test only the models they have modified, dramatically reducing warehouse costs and speeding up development cycles.

This approach is foundational to dbt’s recommended development workflow, especially when working with CI/CD or large DAGs. It preserves the integrity of the dependency graph while avoiding unnecessary recomputation.

Option A violates dbt best practices by removing dependency awareness. Option C is unnecessary operational overhead and does not integrate with dbt’s state management. Option D is incomplete because --state alone does not prevent upstream model execution—--defer is required to substitute those models with existing artifacts.

(branch)

(commit)

(pull request)

In dbt development workflows, version control using Git is essential for ensuring collaborative, safe, and trackable changes to analytics code. The correct first step when making updates—such as adding new models—is to create a new Git branch . This isolates development work from the production (main) branch, preventing incomplete or experimental logic from affecting deployed transformations. Branching supports dbt’s modular development approach and aligns with best practices for analytics engineering.

Once the branch is created, the developer modifies SQL models, tests, macros, or documentation as required. To permanently record these modifications in Git, the developer must commit the changes. A commit serves as a snapshot of progress and creates an auditable history of transformations made to the project, enabling rollbacks, diffs, and peer review.

After development is complete, the developer submits a pull request (PR) . The pull request triggers CI checks—often including dbt build, schema tests, and contract validations—to ensure code quality and identify impacts on downstream models. PRs allow team members to review and comment before changes merge into the main branch, enforcing governance, consistency, and reliability. This workflow embodies the engineering rigor dbt encourages: modular development, testing, versioning, and peer review.

The correct answers are A and C .

dbt clone is a command introduced to efficiently replicate existing relations (tables/views) from one schema/environment to another within the same warehouse without fully rebuilding them. It typically leverages warehouse-level “clone” functionality (e.g., Snowflake zero-copy clone). To know what to clone, dbt needs information about previously built models; this is stored in artifacts like manifest.json. Therefore, A is correct: it requires a reference to a previous manifest/state to know which models and locations to operate on.

C is also correct because cloning a production schema into a development schema enables you to test code changes while pointing downstream tools (like BI dashboards) at the cloned data. That way, BI or ML systems can exercise new dbt logic without impacting real production objects.

Option B describes state:modified / state comparison behavior, but dbt clone does create (or clone) objects, so B is false.

Option D is incorrect because clone works within a warehouse, not across different warehouses.

Option E is wrong: _v# suffixing is for model versioning , not cloning.

Thus, A and C correctly describe the behavior and purpose of dbt clone.

When converting a model-specific SQL query into a generic test , dbt expects the test macro to accept the two standard arguments used across all generic tests: model and column_name . These arguments allow dbt to automatically pass the correct table and the correct column when the test is applied in YAML.

The argument model represents the actual relation (table/view) being tested. dbt compiles the reference itself—so instead of writing ref( ' stg_orders ' ), generic tests always use {{ model }} to represent the referenced relation.

The argument column_name represents the actual column being tested. In this case, the hard-coded column amount_usd becomes the dynamic argument {{ column_name }}, allowing you to apply the logic to any numeric or validated column across multiple models.

So the generic version of your SQL becomes:

select *

from {{ model }}

where {{ column_name }} < 0

The other options are incorrect:

source is not the standard argument for generic tests.

model_name is not automatically passed by dbt.

field is not a recognized standard test argument.

Thus, the two correct standard arguments are model and column_name .

Here is the correct sequence:

Correct Order

sources:

- name: blue (source definition)

tables:

- name: yellow (table definition)

columns:

- name: red (column definition + tests)

In dbt, source documentation follows a strict YAML hierarchy. At the top level, the sources: key declares that you are defining source metadata. Inside this block, each source is listed as an item beginning with - name:. Therefore, the snippet describing the source ( blue ) must come immediately after sources:.

Next, dbt requires a tables: block inside each source to define the raw tables belonging to that source. Thus, the snippet containing tables: must follow the source definition. The table description ( yellow ) is then placed directly under this key because it represents a table within that source.

Finally, dbt allows column-level metadata under a columns: block inside a table definition. Therefore, columns: appears next, followed by the snippet defining a specific column ( red ) which includes both a description and tests (unique, not_null).

Arranging the YAML in this hierarchical order ensures dbt can correctly assign documentation to the source object, the table object, and the individual column. Misordering these snippets would break the structure and prevent dbt from generating documentation properly.

In dbt, when you configure a generic test like not_null in YAML, the configuration for that test must be a mapping , not another list item. The correct structure is:

tests:

- not_null:

config:

where: " state = ' completed ' "

In your original YAML, you wrote:

tests:

- not_null:

- config:

where: " state = ' completed ' "

The extra dash (- config) makes config an element of a list rather than a key under the not_null test. This breaks the expected shape of the test definition. When dbt parses the schema.yml, it fails to correctly interpret the patch for the stg_tasks model, which leads to the warning: “Did not find matching node for patch with name ' stg_tasks ' …”.

By removing the extra dash and nesting config directly under not_null, dbt now reads this as a single generic test named not_null with a config block that passes the where argument. This allows dbt to correctly attach the test to the completed_at column of the stg_tasks model and eliminates the compiler warning.

Therefore, Option B is the only structurally valid configuration and is the correct answer.

This error is caused by invalid Jinja syntax , specifically by nesting {{ }} blocks inside another Jinja expression. The expression:

{{ source( " {{ env_var( ' input ' ) }} " , ' table_name ' ) }}

compiles to:

{{ source({{ env_var( ' input ' ) }}, ' table_name ' ) }}

Here, Jinja sees {{ inside another {{ ... }} block. Jinja does not allow nested print statements like this; instead, functions should be called directly inside a single pair of curly braces. The parser encounters an unexpected } where it expects part of a valid expression (hence “expected token ' : ' , got ' } ' ”), which is a classic symptom of mismatched or nested curly braces.

The correct usage is:

select * from {{ source(env_var( ' input ' ), ' table_name ' ) }}

In this form, env_var( ' input ' ) is evaluated first, and its result is passed as the first argument to source() within one Jinja expression.

Option C is therefore the correct debugging approach: inspect your Jinja and look for incorrectly nested curly brackets. Options A and D are generic and don’t address the root cause, while B talks about quoting in SQL, which is not the problem—the error arises before SQL compilation, at Jinja parse time.

The purpose of this question is to determine how to validate that the input values in the state column support the business logic that determines the is_active field. Since the logic checks whether state = ' Active ' , it is critical that the state column only contains values that the business process expects. In the example shown, acceptable states appear to be: ' active ' , ' churned ' , and ' trial ' .

The correct way to enforce this expectation is to apply an accepted_values test on the state column. This ensures that any unexpected state (e.g., ' inactive ' , ' pending ' , ' deleted ' , or NULL) will cause the test to fail, alerting the team that the upstream system is producing unexpected or invalid values. Additionally, adding not_null ensures every user record contains a valid state.

Option A is the only configuration that applies the accepted values test to the correct column (state) and reflects the expected domain of values.

Options B and D incorrectly apply tests to the derived column is_active, not the source column that needs validation. Option C only checks nullability and uniqueness, which does not validate the range of allowed values and thus does not protect the business logic.

Therefore, Option A is the only correct answer.

The correct answer is C: Model groups can limit references by other models which aren’t in the same group.

According to the dbt documentation, dbt provides a formal access-control mechanism for models through model groups and the access property. Models can be assigned to groups, and each model can be marked as public, protected, or private. The purpose of this system is to create clear boundaries within a project, making it possible to control which models are allowed to reference others . Specifically, dbt enforces rules where models in a group can restrict references from models outside that group , which helps maintain modularity and prevents accidental coupling of unrelated data layers. This is extremely valuable in large analytics engineering projects where teams manage different domains or data products.

Option A is incorrect because dbt does not use Git user groups or any form of identity-based access control for model usage. Option B is incorrect because dbt does not integrate with warehouse roles for controlling model references—access is handled strictly within the dbt project’s metadata. Option D is incorrect because user emails or platform identities have no role in determining which models can reference others. dbt enforces usage rules only through its metadata-driven grouping and access configuration system.

The behavior described—dbt running the orders model as a view despite being explicitly configured as a table —indicates that dbt is not correctly detecting or applying the model-level configuration during compilation. dbt relies heavily on the target-path directory to write compiled SQL, manifest files, and run artifacts. If the target-path is misconfigured, pointing to a location that dbt does not handle correctly or that overlaps with another folder used internally, dbt may fail to load the correct configuration from the merged project settings.

When dbt cannot locate the compiled configuration for a model, it defaults to its standard materialization type, which is view . This explains why the logs show:

“Finished running 1 view model”

even though the dbt_project.yml clearly declares:

materialized: table.

Additionally, the logs indicate no warnings or parsing errors, meaning dbt ran successfully but with incorrect settings—another indicator of configuration metadata being overridden or misplaced due to an incorrect target-path.

By resolving the target-path issue, dbt will successfully load the model configuration and materialize the orders model as a table as intended.

Drops and recreates a definition of a query which is executed at the time it ' s referenced

✅ view

Inserts or updates records of an existing object in the warehouse using a delta

✅ incremental

Code belonging to the model is inserted into the places the model is referenced

✅ ephemeral

Drops and recreates an object in the warehouse as stored results when using dbt run

✅ table

In dbt, singular tests are custom SQL tests that live as standalone .sql files inside the root /tests directory , not inside /tests/generic. A singular test returns rows that indicate failure , and dbt runs the SQL directly as written. Generic tests, on the other hand, live inside the /tests/generic folder and are YAML-based macro-driven tests.

From your test folder structure (shown in the original screenshot), the following SQL files exist:

Inside /tests/generic/

furniture_customers_test.sql This file is a generic test , not singular.

Inside the root /tests directory:

macro_stg_tpch_orders_assert_pos_price.sql

macro_stg_tpch_suppliers_assert_pos_acct_bal.sql

stg_tpch_orders_assert_positive_price.sql

These are singular tests , because they are standalone SQL files in the tests root folder.

When you run:

dbt test --select ' test_type:singular '

dbt filters for only tests classified as singular. It ignores generic tests entirely.

Therefore, only the following 3 tests will run:

macro_stg_tpch_orders_assert_pos_price

macro_stg_tpch_suppliers_assert_pos_acct_bal

stg_tpch_orders_assert_positive_price

This matches Option C , making it the correct answer.