Maveric Systems Data Engineer Interview Questions and Answers

Pods are the smallest deployable units in Kubernetes, consisting of one or more containers.

• Pods are used to run and manage containers in Kubernetes

• Each pod has its own unique IP address within the Kubernetes cluster

• Pods can contain multiple containers that share resources and are scheduled together

• Pods are ephemeral and can be easily created, destroyed, or replicated

• Pods can be managed and scaled using Kubernetes contr

A stored procedure is a set of SQL statements that can be saved and reused in a database.

• Stored procedures can improve performance by reducing network traffic and improving security.

• They can be used to encapsulate business logic and complex queries.

• Stored procedures can accept input parameters and return output parameters or result sets.

To create a DBT project, you need to set up a project directory, create models, define sources, and run tests.

• Set up a project directory with a dbt_project.yml file

• Create models in the models directory using SQL files

• Define sources in the sources.yml file

• Run tests using dbt test command

Materializations in dbt are pre-computed tables that store the results of dbt models for faster query performance.

• Materializations are created using the 'materialized' parameter in dbt models.

• Common types of materializations include 'view', 'table', and 'incremental'.

• Materializations help improve query performance by reducing the need to recompute data on every query.

• Materializations can be refreshed manually or automa

dbt snapshots are a way to capture the state of your data model at a specific point in time.

• dbt snapshots are used to create point-in-time snapshots of your data model

• They allow you to track changes in your data over time

• Snapshots can be used for auditing, debugging, or creating historical reports