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Snowflake Cookbook

Snowflake Cookbook

By : Hamid Mahmood Qureshi, Hammad Sharif
4.2 (17)
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Snowflake Cookbook

Snowflake Cookbook

4.2 (17)
By: Hamid Mahmood Qureshi, Hammad Sharif

Overview of this book

Snowflake is a unique cloud-based data warehousing platform built from scratch to perform data management on the cloud. This book introduces you to Snowflake's unique architecture, which places it at the forefront of cloud data warehouses. You'll explore the compute model available with Snowflake, and find out how Snowflake allows extensive scaling through the virtual warehouses. You will then learn how to configure a virtual warehouse for optimizing cost and performance. Moving on, you'll get to grips with the data ecosystem and discover how Snowflake integrates with other technologies for staging and loading data. As you progress through the chapters, you will leverage Snowflake's capabilities to process a series of SQL statements using tasks to build data pipelines and find out how you can create modern data solutions and pipelines designed to provide high performance and scalability. You will also get to grips with creating role hierarchies, adding custom roles, and setting default roles for users before covering advanced topics such as data sharing, cloning, and performance optimization. By the end of this Snowflake book, you will be well-versed in Snowflake's architecture for building modern analytical solutions and understand best practices for solving commonly faced problems using practical recipes.
Table of Contents (12 chapters)
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Shredding date data to extract Calendar information

In this recipe, you'll learn how the different functions that are available in Snowflake can help us extract parts of data, such as the day, day of the week, week of the year, name of the day, and important days in business reporting cycles, such as the last day of the month or the first day of the month. These capabilities are essential in data warehousing as most of the data uses time and date as dimensions. Along the way, this recipe shall introduce some pitfalls related to the start of the week configuration in Snowflake. You'll learn how to develop a utility calendar table with different columns related to the date.

Getting ready

Note that this recipe's steps can be run either in the Snowflake WebUI or the SnowSQL command-line client.

How to do it…

As part of this recipe, we shall start with a simple date generator. The generator function will be used to generate calendar dates for the calendar...

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