Delta Lake Cheat Sheet
Download Delta Lake Cheat Sheet What is Delta Lake? Delta Lake is an open-source project that enables building a Lakehouse architecture on top of data …
Tech Tips
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SQL Cheat Sheet
Download SQL Cheat Sheet What Is SQL? SQL stands for Structured Query language. It is designed for managing data in a relational database management system …
SQL Joins Cheat Sheet
With this SQL Joins Cheat Sheet, you’ll have a handy reference guide to joining data in SQL. SQL, also known as Structured Query Language, is …
SQL Basics Cheat Sheet
With this SQL Basics Cheat Sheet, you’ll have a handy reference guide to basic querying tables, filtering data, and aggregating data. SQL, also known as …
SQL Query Execution Order
After writing a considerable number of SQL scripts, you’re likely to reach some form of a plateau in terms of performance. You extract insights using …
Manage S3 Bucket Replication Rules Using AWS CLI
Using S3 replication, you can set-up automatic replication of S3 objects from one bucket to another. The source and destination bucket can be within the …
Spark Optimization Techniques
1. Don’t Use collect. Use take() Instead When we call the collect action, the result is returned to the driver node. This might seem innocuous …
