Tag: Snowflake Schema

How to Model Snowflake External Tables in Vertabelo

There is a lot more data than stored in databases. This raises the question of how to access all the external data from the database. The external tables come to the rescue! Read along to learn more about external tables in Snowflake and how to model them in Vertabelo. This article focuses on external tables in the Snowflake database. We will first introduce the Snowflake database and the concept of external tables.

Vertabelo Feature: Snowflake Support

Vertabelo Feature: Snowflake Support Cloud and analytical databases are very popular and are becoming more important. Snowflake has been one of the most popular feature requests on our support page and a much-anticipated database for Vertabelo support. We are happy to announce that Snowflake databases can now be designed with Vertabelo! In this article, we’ll explain how to create a physical ER diagram for a Snowflake database in Vertabelo. Remember that you can also choose to create a logical ER diagram first and then use that to generate a physical ER diagram.

Star Schema vs. Snowflake Schema

In the previous two articles, we considered the two most common data warehouse models: the star schema and the snowflake schema. Today, we’ll examine the differences between these two schemas and we’ll explain when it’s better to use one or the other. The star schema and the snowflake schema are ways to organize data marts or entire data warehouses using relational databases. Both of them use dimension tables to describe data aggregated in a fact table.

The Snowflake Schema

In a previous article we discussed the star schema model. The snowflake schema is next to the star schema in terms of its importance in data warehouse modeling. It was developed out of the star schema, and it offers some advantages over its predecessor. But these advantages come at a cost. In this article, we’ll discuss when and how to use the snowflake schema. The Snowflake Schema if (typeof VertabeloEmbededObject === 'undefined') {var VertabeloEmbededObject = "