• 介绍
  • Spark SQL — Structured Data Processing with Relational Queries on Massive Scale
  • Datasets vs DataFrames vs RDDs
  • Dataset API vs SQL
• DEVELOPING SPARK SQL APPLICATIONS
  • Fundamentals of Spark SQL Application Development
  • SparkSession — The Entry Point to Spark SQL
  • Builder — Building SparkSession using Fluent API
  • implicits Object — Implicits Conversions
  • SparkSessionExtensions
  • Dataset — Structured Query with Data Encoder
  • DataFrame — Dataset of Rows with RowEncoder
  • Row
  • DataSource API — Managing Datasets in External Data Sources
  • DataFrameReader — Loading Data From External Data Sources
  • Dataset API — Dataset Operators
  • Typed Transformations
  • Untyped Transformations
  • Basic Actions
  • Actions
  • DataFrameNaFunctions — Working With Missing Data