sparksql
7 時間： 通常來說是1天，包括中間休息。
Audience
Spark SQL是Apache Spark用於處理結構化和非結構化數據的模塊。 Spark SQL提供有關數據結構以及正在執行的計算的信息。此信息可用於執行優化。 Spark SQL兩個常見用途是：
- 執行SQL查詢。
- 從現有Hive安裝中讀取數據。
在這個由講師指導的實時培訓（現場或遠程）中，參與者將學習如何使用Spark SQL分析各種類型的數據集。
在培訓結束時，參與者將能夠：
課程格式
課程自定義選項
Machine Translated
Introduction
Overview of Data Access Approaches (Hive, databases, etc.)
Overview of Spark Features and Architecture
Installing and Configuring Spark
Understanding Dataframes in Spark
Defining Tables and Importing Datasets
Querying Data Frames using SQL
Carrying out Aggregations, JOINs and Nested Queries
Uploading and Accessing Data
Querying Different Types of Data
Querying Data Lakes with SQL
Troubleshooting
Summary and Conclusion
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