課程大綱： Impala for Business Intelligence培訓
Introduction to Impala
What is Impala?
How Impala Differs from Relational Databases
Limitations and Future Directions
Using the Impala Shell
The Impala Daemon, Statestore and Catalogue service
Loading Impala
Explore a New Impala Instance
Load CSV Data from Local Files
Point an Impala Table at Existing Data Files
Analyzing Data with Impala
Describe the Impala Table
Basic Syntax and Querying
Data Types
Filtering, Sorting, and Limiting Results
Joining and Grouping Data
Data Loading and Querying Examples
Improving Impala Performance
How Impala works with Hadoop file formats
Hands-On Exercise: Interactive Analysis with Impala
Programming Impala Applications
Overview of the Impala SQL Dialect
Overview of Impala Programming Interfaces
Troubleshooting Impala
Troubleshooting Impala SQL Syntax Issues
Troubleshooting I/O Capacity Problems
Impala Web User Interface for Debugging
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