Duplicate rows could be remove or drop from Spark SQL DataFrame using distinct() and dropDuplicates() functions, distinct() can be used to remove rows
Rename a Table How to Truncate a Table How to Duplicate a Table How to Add a Column How to Drop a Column How to Rename a Column How to Add or Remove Default Values or Null Constraints to a Column How to Create an Index How to Drop an Index How to Create a View How to Drop a ...
Why reprex? Getting unstuck is hard. Your first step here is usually to create a reprex, or reproducible example. The goal of a reprex is to package your code, and information about your problem so that others can run it…
Nowadays, few organizations buy expensive on-premises hardware. Instead, their data warehouses run in the cloud on AWS Redshift, Google BigQuery, Microsoft Azure Synapse Analytics, or Snowflake. With cloud computing, workloads can scale almost infinitely and very quickly to meet any level or proce...
(or boxes) in the chart. This is similar to the use of brackets in text knitting instructions. So you would work the edge stitches one time, then work the ‘repeat’ stitches as many times as possible (always reading the set of instructions from right to left on right side rows), ...