Numeric counts, location, time, true or false statements. All of these data types have potential business value, so organizations need a data storage solution that accommodates them. Snowflake does this (and more). As a powerful, Cloud-based data warehouse solution, Snowflake enables users to handle a wide range of data with precision and efficiency.

This blog gives an overview of some of the most common Snowflake data types and why businesses choose Snowflake. We then cover integrating data into Snowflake, and how Astrato adds value to Snowflake data.

Snowflake Data Types: A Primer

Snowflake supports a diverse range of data types - including most SQL data types -  that cater to various data requirements. Whether it’s structured (like dates and times), semi-structured (like emails and web pages), or unstructured data (like text, audio files, or raw data), Snowflake's data types offer the versatility needed for effective data management. Here are some common data types enabled in Snowflake:

Numeric Data Types: Snowflake offers a range of numeric data types, including INTEGER, BIGINT, FLOAT, and DECIMAL. These data types allow you to handle numerical values of different scales and precision.

String Data Types: STRING and VARCHAR are commonly used data types for handling text-based information. Snowflake's STRING data type is suitable for storing fixed-length character data, while VARCHAR is ideal for variable-length text.

Date and Time Data Types: Snowflake simplifies date and time handling with DATE, TIME, TIMESTAMP, and TIMESTAMP_NTZ (normalized for time zone) data types. These enable accurate representation and manipulation of temporal information.

Boolean Data Type: The BOOLEAN data type is used to represent true or false values, facilitating logical operations within your queries.

Semi-Structured Data Types: Snowflake supports the VARIANT data type, which is designed to handle semi-structured data like JSON, XML, and AVRO. This allows you to efficiently store and query complex data structures.

Binary Data Type: The BINARY data type is useful for storing binary data, such as images or files, directly within Snowflake.

Array Data Types: Snowflake's ARRAY data type enables you to store arrays of values, adding an extra layer of flexibility to your data storage.

Why Snowflake?

Snowflake offers several compelling benefits that contribute to its growing popularity as a data warehouse solution. Here are some of them:

Elastic Scalability: Snowflake's architecture allows users to scale resources up or down on-demand, ensuring optimal performance without manual intervention.

Zero Management Overhead: With Snowflake, the platform handles tasks like infrastructure provisioning, maintenance, and tuning. This allows data teams to focus on tasks that more directly create business value, like analysis and insights (more on that in a moment).

Data Sharing: Snowflake's data sharing capabilities enable seamless collaboration between different teams or organizations, without the need for complex data transfers.

Security and Compliance: Snowflake prioritizes data security, providing advanced encryption, access controls, and compliance certifications, ensuring high-level data security.

Getting Started with Data Integration

Data integration is the process of combining data from different sources into a single, unified view. This can be a complex task, as the data may be in different formats, have different structures, and even be inconsistent. Data integration typically involves the following steps:

Extraction: This is the process of retrieving data from the source systems.

Cleansing: This is the process of cleaning up the data to remove errors and inconsistencies.

Transformation: This is the process of converting the data into a common format that can be used by the target system.

Loading: To load data into Snowflake, we can stage it first. Snowflake stages are used to store and manage data files, allowing users to efficiently load data into Snowflake tables from various external sources. These include Cloud storage platforms like Amazon S3, Microsoft Azure Blob Storage, and Google Cloud Storage. Staging is an essential step in the data loading process as it allows the user to validate, transform, and organize data before it's loaded into Snowflake tables.

Astrato: Enhancing the Snowflake Experience

A Snowflake Technology Partner, Astrato is a Cloud-native Business Intelligence (BI) solution, offering powerful data analysis and visualization via a sleek, intuitive interface. Astrato makes it easy and fast for any user to interact with their data and extract meaningful, actionable insights.

[embed]https://www.youtube.com/watch?v=AgdtOinTL7E[/embed]

Here are a few of the key ways Astrato enables users to harness the value of Snowflake data:

Surface UDFs: One especially powerful Snowflake feature is Snowpark. In Snowpark, a developer framework where users can create User-Defined Functions (UDFs) in Python, Java, or Scala to supplement Snowflake’s SQL interface. UDFs enable custom logic and transformations directly within Snowflake, as well as more advanced analytics. Combined with the extensive data warehouse capabilities, the result is more relevant, more powerful BI.

Ensure Data Quality: Astrato's data governance features enable data quality monitoring and validation, ensuring your data remains accurate and trustworthy. The substantial scope for automated data discovery and analysis ensures this quality remains consistent.

Collaborate Effectively: Astrato enhances collaboration by providing a centralized platform for data documentation, annotations, and sharing. Cloud-based live query means there is no data movement, ensuring a single source of truth. This is essential for effective collaboration. Additionally, Astrato’s writeback input form transforms dashboards from look-but-don’t-touch visualizations into dynamic, interactive interfaces. Users can include fresh data entries or enrich existing data with essential context. In both cases, Astrato is facilitating collaboration and delivering better BI.

Compatibility: Both Snowflake and Astrato make state-of-the-art data management, analysis, and visualization approachable and easy to use. As a trusted Snowflake technology partner, Astrato integrates seamlessly with Snowflake. This compatibility means organizations get the full benefit of their data stored in Snowflake. Astrato allows business users to interrogate and visualize their Snowflake data quickly and easily. For the organization, this means better, data-driven decision-making.

Conclusion

Snowflake's extensive support for various data types, combined with its scalability, security, and ease of use, make it a standout platform for modern big data management. Stacking with Astrato adds intuitive, automated data analysis and visualization for data stored in Snowflake.

This way, business users can access Snowflake’s data warehousing solution and generate their own powerful BI insights. Learn more about how Astrato can leverage the power of your Snowflake data by booking a demo here!

Piers Batchelor
Cloud BI
Apr 4, 2025

Turn insights into action - right inside your BI

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Astrato is a game changer. It integrated directly into our Data Cloud. Security and data privacy are critical for our work with behavioral health, addiction, and recovery support providers. Astrato allows us to maintain our high security in the Snowflake Data Cloud while opening more insights to more levels of care. Astrato is significantly faster with dashboards loading almost instantly.

Melissa Pluke
Co-Founder
Previously used Qlik Sense

Before, we had a separate analytics page, and nobody used it. Now, every customer at least checks the analytics, and for some, it’s the main thing they care about

Claudio Paolicelli
CTO
Self-hosted

Astrato acts as the shop window for everything happening in Snowflake, while all computation and governance remain in code within our data warehouse. That means anyone can access insights without relying on complex BI tools.

Chanade Hemming
Head of Data Products
Previoulsy used Tableau

Astrato is helping us win new customers as a result (of our Self-service embedded dashboard in Astrato), and we are on target to double the number of units (users) this year.

Beau Dobbs
Director of Business Intelligence & Operations
Previously used Tableau

Our customers are already thrilled by the improvement in user experience we have seen from switching to Astrato, which is enabling their non-technical users to self-serve for the insights they need to make informed decisions and be far more productive. This is helping us win and retain more customers.

Zachary Paz
Chief Operating Officer & EVP, Product
Evaluated Sigma, Thoughtspot & Qlik

Astrato offers a 50-75% cost saving over Qlik, with 25-50% faster development, seamless self-service analytics, and easy adoption which enables quick, customizable insights and actions.

Jeff Morrison
Chief of Analytics & Data Management
Previously used Qlik Sense & QlikView

Given Astrato is 100% cloud-native live-query, tightly integrated with the speed and scalability of Snowflake, we can now rapidly process a customer's data and build streamlined actionable analytics, in just hours/days compared to weeks/months previously. We have been able to automate almost everything, which just wasn't possible with PowerBI and our skill sets.

David Beto
Co-Founder & CEO
Previously used Power BI

Astrato is a game changer. It integrated directly into our Data Cloud. Security and data privacy are critical for our work with behavioral health, addiction, and recovery support providers. Astrato allows us to maintain our high security in the Snowflake Data Cloud while opening more insights to more levels of care. Astrato is significantly faster with dashboards loading almost instantly.

Melissa Pluke

Before, we had a separate analytics page, and nobody used it. Now, every customer at least checks the analytics, and for some, it’s the main thing they care about

Claudio Paolicelli

Astrato acts as the shop window for everything happening in Snowflake, while all computation and governance remain in code within our data warehouse. That means anyone can access insights without relying on complex BI tools.

Chanade Hemming

Astrato is helping us win new customers as a result (of our Self-service embedded dashboard in Astrato), and we are on target to double the number of units (users) this year.

Beau Dobbs

Our customers are already thrilled by the improvement in user experience we have seen from switching to Astrato, which is enabling their non-technical users to self-serve for the insights they need to make informed decisions and be far more productive. This is helping us win and retain more customers.

Zachary Paz

Astrato offers a 50-75% cost saving over Qlik, with 25-50% faster development, seamless self-service analytics, and easy adoption which enables quick, customizable insights and actions.

Jeff Morrison

Given Astrato is 100% cloud-native live-query, tightly integrated with the speed and scalability of Snowflake, we can now rapidly process a customer's data and build streamlined actionable analytics, in just hours/days compared to weeks/months previously. We have been able to automate almost everything, which just wasn't possible with PowerBI and our skill sets.

David Beto