APACHE SPARK & DATA ENGINEERING · DAY 021
Adaptive Query Execution for Spark & Data Eng developers
Expona Admin · Oct 27, 2026 · 7 min read
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APACHE SPARK & DATA ENGINEERING · DAY 022
Caching and persistence: real-world lessons and examples
Expona Admin · Oct 27, 2026 · 6 min read
APACHE SPARK & DATA ENGINEERING · DAY 023
Reading the Spark UI: a practical Spark & Data Eng guide
Expona Admin · Oct 27, 2026 · 6 min read
APACHE SPARK & DATA ENGINEERING · DAY 024
explain() and query plans: practical tips and trade-offs
Expona Admin · Oct 27, 2026 · 6 min read
APACHE SPARK & DATA ENGINEERING · DAY 025
Spark memory management: real-world lessons and examples
Expona Admin · Oct 27, 2026 · 6 min read
APACHE SPARK & DATA ENGINEERING · DAY 026
ETL pipeline design: a practical Spark & Data Eng guide
Expona Admin · Oct 27, 2026 · 7 min read
APACHE SPARK & DATA ENGINEERING · DAY 027
ETL vs ELT: everything engineers need to know in practice
Expona Admin · Oct 27, 2026 · 9 min read
APACHE SPARK & DATA ENGINEERING · DAY 028
Medallion architecture: a practical guide for developers
Expona Admin · Oct 27, 2026 · 8 min read
APACHE SPARK & DATA ENGINEERING · DAY 029
Data lakes, warehouses and lakehouses: a practical guide
Expona Admin · Oct 27, 2026 · 6 min read
APACHE SPARK & DATA ENGINEERING · DAY 030
Delta Lake basics: a Spark & Data Eng guide for developers
Expona Admin · Oct 27, 2026 · 7 min read
APACHE SPARK & DATA ENGINEERING · DAY 031
Apache Iceberg basics in Apache Spark & Data Engineering
Expona Admin · Oct 27, 2026 · 7 min read
APACHE SPARK & DATA ENGINEERING · DAY 032
Upserts and slowly changing dimensions, explained simply
Expona Admin · Oct 27, 2026 · 11 min read
APACHE SPARK & DATA ENGINEERING · DAY 033
Incremental processing: a practical guide for developers
Expona Admin · Oct 27, 2026 · 7 min read
APACHE SPARK & DATA ENGINEERING · DAY 034
Change data capture: a practical Spark & Data Eng guide
Expona Admin · Oct 27, 2026 · 8 min read
APACHE SPARK & DATA ENGINEERING · DAY 035
Spark Structured Streaming: patterns, pitfalls and fixes
Expona Admin · Oct 27, 2026 · 5 min read
APACHE SPARK & DATA ENGINEERING · DAY 036
Watermarks and late data for Spark & Data Eng developers
Expona Admin · Oct 27, 2026 · 6 min read
APACHE SPARK & DATA ENGINEERING · DAY 037
Exactly-once in streaming: practical tips and trade-offs
Expona Admin · Oct 27, 2026 · 6 min read
APACHE SPARK & DATA ENGINEERING · DAY 038
Spark with Kafka: a Spark & Data Eng guide for developers
Expona Admin · Oct 27, 2026 · 7 min read
APACHE SPARK & DATA ENGINEERING · DAY 039
Data quality checks: a practical Spark & Data Eng guide
Expona Admin · Oct 27, 2026 · 10 min read
APACHE SPARK & DATA ENGINEERING · DAY 040
Deduplication strategies for Spark & Data Eng developers
Expona Admin · Oct 27, 2026 · 8 min read