Category: redshift

AWS Redshift @ Freshers.in

Aggregate values into an array for a group of rows in Redshift using ARRAY_AGG()

Amazon Redshift, a robust data warehousing solution, offers an indispensable tool for this purpose – the ARRAY_AGG() function. In this…

AWS Redshift @ Freshers.in

Analyzing data trends with Amazon Redshift’s LEAD() function

Data analysis often involves examining how values change over time or comparing current data points with subsequent ones. Amazon Redshift…

bigquery redshift snowflake @ Freshers.in

Data segmentation with Amazon Redshift’s NTILE(n) Function

Data segmentation is a critical aspect of data analysis, and Amazon Redshift offers a powerful tool to accomplish this task…

AWS Redshift @ Freshers.in

Exploring data percentiles with Amazon redshift’s PERCENT_RANK() function

Amazon Redshift, a powerful data warehousing solution, offers a variety of analytical functions to help you gain insights into your…

Snowflake

How to Copy Data from Redshift to Snowflake

Copying data from one database management system to another, specifically from Amazon Redshift to Snowflake, can be done by several…

AWS Redshift @ Freshers.in

Redshift : Redshift Unload getting the file as filename appended with 000 – how to get as actual filename.

Unfortunately, Redshift’s UNLOAD command appends a part number (like 000) to the output file names by default, and there’s no…

AWS Redshift @ Freshers.in

Redshift : How to check table exists in Redshift using query ?

To check if a table exists in Amazon Redshift using a query, you can use the following SQL statement: SELECT…

AWS Redshift @ Freshers.in

Redshift : Learn how to link Amazon redshift to s3 bucket

Amazon Redshift is a fully-managed, petabyte-scale data warehouse service in the cloud. It allows you to run complex analytical queries…

AWS Redshift @ Freshers.in

Redshift : Role of VACUUM and ANALYZE in Redshift

Amazon Redshift is a popular data warehousing solution that is widely used by businesses to manage and analyze large volumes…

Snowflake

What are the things that you need to know on converting SQL queries from Redshift to Snowflake ?

There are a few differences between Redshift and Snowflake that you will need to take into account when converting SQL…