ONLINE: ROXIE ECL (Part 2) - Complex Query Development

HPCC Systems is an open source, massive parallel-processing computing platform for big data processing and analytics.

HPCC Systems

<h2>ROXIE ECL (Part 2)- Complex Query Development</h2>
Learn how to optimize and organize your ROXIE queries for optimal performance. This class reviews and recommends best practices used in ROXIE development, including INTERFACE, Half Keyed JOINS, LIMIT, superkeys, and package maps.
Class Prerequisites:&nbsp;Students must have attended the Introduction to ECL (Part 1) &amp; (Part 2),&nbsp;Advanced ECL (Part 2), and ROXIE ECL (Part 1) online training courses.&nbsp;
Topics include:
&bull; Using INTERFACE structures with ROXIE queries&bull; Limiting your ROXIE results (LIMIT, JOIN, CHOOSEN) &bull; Designing queries using multiple datasets&bull; Case insensitive searches&bull; Use of Superkeys in ROXIE queries&bull; Use of package maps for Query organization&bull; ROXIE-specific functions (PRELOAD, ALLNODES, etc.)&bull; ROXIE Post filtering

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ONLINE: ROXIE ECL (Part 2) - Complex Query Development

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ONLINE: ROXIE ECL (Part 2) - Complex Query Development

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