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A collection of 25 posts
Presto for Data Scientists – SQL on anything - KDnuggets
7/8/2020
commentsBy Kamil Bajda-Pawlikowski, CTO of Starburst Data.Initially developed by Facebook, Presto is an open source, distributed ANSI SQL query engine that delivers fast analytic queries against vario...
DataGrip: The Cross-Platform IDE for Databases & SQL by JetBrains
4/3/2020
WhyDataGripEnjoy workingwith databasesMeet DataGrip, our new database IDE that is tailored to suit the specific needs of professional SQL developers.Intelligent query consoleAllows you to execute quer...
Cassandra Data Modeling Principles for Spark SQL Joins
1/8/2020
This is second article in the series of Cassandra Data Modeling best practices for efficient Spark SQL Joins. You can find previous posts here and here. Dimensional data modeling principles are still...
Cassandra Data Modeling Best Practices for efficient JOIN operation of Cassandra tables in Spark layer
Apache Cassandra and Apache Spark product integration is one of the emerging trends in big data world today. Together, these two products can offer several advantages. Much has already been said about...
Optimizing Spark SQL JOIN statements for High Performance
Similar to SQL performance Spark SQL performance also depends on several factors. Hardware resources like the size of your compute resources, network bandwidth and your data model, application design...
Spark SQL cassandra delete records
10/15/2018
Vote count: 0 Is there a way to delete some records based on a select query? I have this query, Select min(id) from ID having count(*)>1 whic...
Spark SQL Against Cassandra Example - DZone Database
8/28/2018
Spark SQL is awesome. It allows you to query any Resilient Distributed Dataset (RDD) using SQL (including data stored in Cassandra!).First thing to do is to create a SQLContext from your SparkContext...
Cassandra Query Language (CQL) vs SQL
Cassandra Query LanguageCQL vs SQLWhen Apache Cassandra was originally released, it featured a command line interface for dealing with thrift. Manipulating data this way was cumbersome and required le...