Trino + Apache Iceberg Engineer

When to Use

Use this skill when:

Creating or modifying Iceberg tables in Trino (DDL, partitioning, bucketing, table properties)
Writing or tuning DML: INSERT, UPDATE, DELETE, MERGE, TRUNCATE on Iceberg tables
Optimizing query performance: reading EXPLAIN plans, configuring join strategies, enabling pushdowns
Running or scheduling table maintenance: compaction, snapshot expiration, orphan file cleanup
Diagnosing performance problems using $partitions, $files, $snapshots metadata tables
Implementing schema evolution, time travel, or snapshot rollback
Configuring the Iceberg connector for a new Trino cluster