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| Section | Weight | Objectives |
|---|---|---|
| Data Loading & External Data Access | 12% | - ETL pipelines and utilities - External tables and protocols |
| Greenplum Foundational Concepts | 5% | - Distributed database fundamentals - Architecture and components |
| Troubleshooting & Maintenance | 8% | - Common issues and resolution - Upgrades and patching |
| Query Optimization & Performance | 11% | - Query planning and execution - Tuning strategies and best practices |
| Data Protection & High Availability | 10% | - Backup and recovery strategies - Mirroring and fault tolerance |
| Security & Access Control | 7% | - Data encryption and compliance - Authentication and authorization |
| SQL Fundamentals & Functions | 5% | - Basic and advanced SQL - Built-in functions and extensions |
| Cluster Management & Monitoring | 10% | - Monitoring tools and health checks - Resource groups and workload management |
| Advanced Analytics & Extensions | 12% | - Vector databases and similarity search - Text analytics (GPText) - Spatial data processing (PostGIS, H3) - In-database ML (MADlib) |
| Database Objects & Data Organization | 10% | - Tables, indexes, constraints - Data distribution and partitioning |
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NEW QUESTION # 65
Which extension must be enabled in Greenplum to use spatial functions such as ST_Distance or ST_Intersects?
Answer: B
NEW QUESTION # 66
The PostGIS function ___ is used to return the geometric centroid of a polygon.
Answer: A
NEW QUESTION # 67
What is a major advantage of using in-database machine learning with Greenplum?
Answer: C
NEW QUESTION # 68
Which command is used to back up a Greenplum database?
Answer: B,D
NEW QUESTION # 69
Which function would you use to apply a trained MADlib model for prediction in Greenplum?
Answer: C
NEW QUESTION # 70
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