Looker for visualization in GCP - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is Looker in Google Cloud Platform?

Looker is a tool in Google Cloud that helps you turn data into easy-to-understand charts and reports. It lets you explore data and create visual stories without needing to write complex code.

beginner

How does Looker connect to your data?

Looker connects directly to your databases or data warehouses, like BigQuery, to fetch data in real-time. It does not copy data but queries it when you ask for reports or dashboards.

intermediate

What is a LookML model in Looker?

LookML is a simple language Looker uses to describe your data structure. It helps define how data tables relate and what calculations to use, so Looker can build accurate visualizations.

beginner

Why use dashboards in Looker?

Dashboards in Looker gather many charts and reports in one place. This helps you see the big picture quickly and share insights with your team easily.

intermediate

How does Looker help with data security?

Looker respects your data permissions. It only shows data you are allowed to see, based on roles and rules set by your organization, keeping data safe and private.

What type of data connection does Looker use?

A Uses only Google Sheets as data source

B Copies all data into Looker storage

C Uploads data manually via files

D Direct connection to databases without copying data

Looker connects directly to your databases or data warehouses and queries data live without copying it.

What is LookML used for in Looker?

A To create user accounts

B To write SQL queries manually

C To define data structure and relationships

D To design dashboard layouts

LookML is a language to describe data models and relationships so Looker can build visualizations correctly.

Which Google Cloud service is commonly used with Looker for data storage?

A Cloud Functions

B BigQuery

C Cloud Storage

D App Engine

BigQuery is a popular data warehouse service that Looker connects to for querying large datasets.

What is the main benefit of Looker dashboards?

A They combine multiple visual reports in one view

B They store data permanently

C They replace databases

D They automate data entry

Dashboards let you see many charts and reports together for quick insights.

How does Looker ensure data security?

A By showing data based on user permissions

B By storing data locally on user devices

C By encrypting all data in transit only

D By disabling data access for all users

Looker enforces access controls so users only see data they are allowed to view.

Explain how Looker connects to data and why this is beneficial.

Think about how Looker gets data fresh without storing it itself.

Describe the role of LookML in creating visualizations in Looker.

LookML is like a map for your data inside Looker.