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Gowtham Potureddi
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Apr 12, 2026
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ClickHouse for Real-Time Analytics: MergeTree, Materialized Views & Sharding
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Jun 17
ClickHouse for Real-Time Analytics: MergeTree, Materialized Views & Sharding
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55 min read
Trino vs Presto vs Athena: Federated SQL Engines for the Modern Lakehouse
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Jun 17
Trino vs Presto vs Athena: Federated SQL Engines for the Modern Lakehouse
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47 min read
Feature Stores Compared: Feast vs Tecton vs Hopsworks for Production ML
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Jun 17
Feature Stores Compared: Feast vs Tecton vs Hopsworks for Production ML
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57 min read
Reverse ETL with Hightouch, Census & RudderStack: Operational Analytics in Practice
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Jun 17
Reverse ETL with Hightouch, Census & RudderStack: Operational Analytics in Practice
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52 min read
RAG Data Pipelines: Chunking, Embeddings, Vector Stores & Freshness
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Jun 16
RAG Data Pipelines: Chunking, Embeddings, Vector Stores & Freshness
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59 min read
Vector Databases for Data Engineers: Pinecone vs Weaviate vs Qdrant vs pgvector
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Jun 16
Vector Databases for Data Engineers: Pinecone vs Weaviate vs Qdrant vs pgvector
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57 min read
MetricFlow & dbt Metrics: Single Source of Truth for KPIs
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Jun 16
MetricFlow & dbt Metrics: Single Source of Truth for KPIs
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51 min read
Reverse ETL with Hightouch, Census & RudderStack: Operational Analytics in Practice
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Jun 16
Reverse ETL with Hightouch, Census & RudderStack: Operational Analytics in Practice
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52 min read
Semantic Layer Showdown: Cube vs dbt Semantic Layer vs Looker LookML
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Jun 16
Semantic Layer Showdown: Cube vs dbt Semantic Layer vs Looker LookML
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56 min read
dbt Model Contracts, Constraints & Versioning: Production Patterns
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Jun 15
dbt Model Contracts, Constraints & Versioning: Production Patterns
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56 min read
dbt Model Contracts, Constraints & Versioning: Production Patterns
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Jun 15
dbt Model Contracts, Constraints & Versioning: Production Patterns
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56 min read
OpenLineage & OpenMetadata: Open Standards for Lineage and Cataloging
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Jun 15
OpenLineage & OpenMetadata: Open Standards for Lineage and Cataloging
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55 min read
Data Observability Platforms Compared: Monte Carlo, Anomalo, Bigeye & Lightup
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Jun 15
Data Observability Platforms Compared: Monte Carlo, Anomalo, Bigeye & Lightup
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57 min read
Data Quality Frameworks: Great Expectations vs dbt Tests vs Soda Core
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Jun 15
Data Quality Frameworks: Great Expectations vs dbt Tests vs Soda Core
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44 min read
Bytewax, Pathway & Quix: Python-Native Streaming Frameworks Compared
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Jun 14
Bytewax, Pathway & Quix: Python-Native Streaming Frameworks Compared
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48 min read
Polars vs Pandas vs DuckDB Benchmarked: Speed, Memory & API Trade-offs
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Jun 14
Polars vs Pandas vs DuckDB Benchmarked: Speed, Memory & API Trade-offs
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48 min read
DuckDB for Data Engineering: In-Process OLAP, Local ETL & Parquet-First Workflows
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Jun 14
DuckDB for Data Engineering: In-Process OLAP, Local ETL & Parquet-First Workflows
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52 min read
Iceberg REST Catalog, Nessie & Polaris: Open Lakehouse Catalogs Compared
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Jun 14
Iceberg REST Catalog, Nessie & Polaris: Open Lakehouse Catalogs Compared
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49 min read
Apache Hudi Merge-on-Read vs Copy-on-Write: Picking the Right Table Type
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Jun 13
Apache Hudi Merge-on-Read vs Copy-on-Write: Picking the Right Table Type
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46 min read
Delta Lake Change Data Feed (CDF) & Z-Ordering: Performance Tuning
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Jun 13
Delta Lake Change Data Feed (CDF) & Z-Ordering: Performance Tuning
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50 min read
Apache Iceberg Branching, Tagging & WAP: Production Patterns
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Jun 13
Apache Iceberg Branching, Tagging & WAP: Production Patterns
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57 min read
Lambda vs Kappa Architecture: When Each Wins in 2026
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Jun 13
Lambda vs Kappa Architecture: When Each Wins in 2026
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58 min read
Apache Pulsar vs Kafka for Data Engineering: Geo-Replication, Tiered Storage & Functions
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Jun 12
Apache Pulsar vs Kafka for Data Engineering: Geo-Replication, Tiered Storage & Functions
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54 min read
Spark Structured Streaming: Triggers, State, Watermarks & Exactly-Once Sinks
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Jun 12
Spark Structured Streaming: Triggers, State, Watermarks & Exactly-Once Sinks
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56 min read
Kafka Connect Deep Dive: Source, Sink, SMTs, Schema Registry & Idempotent Writes
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Jun 12
Kafka Connect Deep Dive: Source, Sink, SMTs, Schema Registry & Idempotent Writes
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52 min read
Apache Kafka Streams vs Apache Flink: Stateful Streaming Engines Compared
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Jun 12
Apache Kafka Streams vs Apache Flink: Stateful Streaming Engines Compared
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53 min read
Real-Time SQL on Streams: Materialize, RisingWave & Flink SQL Compared
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Jun 11
Real-Time SQL on Streams: Materialize, RisingWave & Flink SQL Compared
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47 min read
Lakehouse Data Mesh: Domain Ownership, Contracts & Federated Governance
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Jun 11
Lakehouse Data Mesh: Domain Ownership, Contracts & Federated Governance
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54 min read
psql Command Reference for Data Engineers: Connect, \copy, Bulk-Load, Inspect
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Jun 11
psql Command Reference for Data Engineers: Connect, \copy, Bulk-Load, Inspect
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49 min read
Python timedelta & datetime for Data Engineers: Time Math, Windows & Time Zones
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Jun 11
Python timedelta & datetime for Data Engineers: Time Math, Windows & Time Zones
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52 min read
BigQuery Console & SQL Workbench: Hands-On Tour for New Data Engineers
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Jun 10
BigQuery Console & SQL Workbench: Hands-On Tour for New Data Engineers
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48 min read
NoSQL vs SQL for Data Engineering: When to Pick Mongo, Cassandra, DynamoDB or Postgres
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Jun 10
NoSQL vs SQL for Data Engineering: When to Pick Mongo, Cassandra, DynamoDB or Postgres
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52 min read
Snowflake Certification Path (SnowPro Core Advanced): Full Prep & Sample Questions
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Jun 10
Snowflake Certification Path (SnowPro Core Advanced): Full Prep & Sample Questions
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49 min read
SQL Data Analyst Jobs in 2026: Salary, Interviews & Top Hiring Markets
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Jun 10
SQL Data Analyst Jobs in 2026: Salary, Interviews & Top Hiring Markets
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52 min read
SQL Murder Mystery, SQL Island & Gamified SQL Practice Walkthrough
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Jun 9
SQL Murder Mystery, SQL Island & Gamified SQL Practice Walkthrough
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53 min read
SQLZoo, SQLBolt, Mode SQL Tutorial & DataCamp SQL Compared: Which Platform Wins?
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Jun 9
SQLZoo, SQLBolt, Mode SQL Tutorial & DataCamp SQL Compared: Which Platform Wins?
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46 min read
M.Tech / Master's in Data Engineering: Programs, Curriculum & ROI vs Self-Study
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Jun 9
M.Tech / Master's in Data Engineering: Programs, Curriculum & ROI vs Self-Study
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63 min read
SQL Comments, Documentation & Readable Queries: Style Guides for DE Teams
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Jun 9
SQL Comments, Documentation & Readable Queries: Style Guides for DE Teams
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50 min read
Big Data Engineering: Hadoop, Spark, Kafka, Lakehouse — A 2026 Roadmap
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Jun 8
Big Data Engineering: Hadoop, Spark, Kafka, Lakehouse — A 2026 Roadmap
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49 min read
Data Engineer vs Data Scientist vs Data Analyst: Role Boundaries, Stacks & Salary
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Jun 8
Data Engineer vs Data Scientist vs Data Analyst: Role Boundaries, Stacks & Salary
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56 min read
SQL UNIQUE Constraints & Deduplication Strategies: Hard vs Soft Uniqueness
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Jun 8
SQL UNIQUE Constraints & Deduplication Strategies: Hard vs Soft Uniqueness
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47 min read
SQL ROUND, FLOOR, CEIL & TRUNC: Numeric Rounding for Reporting & Finance
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Jun 8
SQL ROUND, FLOOR, CEIL & TRUNC: Numeric Rounding for Reporting & Finance
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53 min read
TRUNCATE vs DELETE vs DROP in SQL: Behavior, Performance, Replication & Rollback
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Jun 7
TRUNCATE vs DELETE vs DROP in SQL: Behavior, Performance, Replication & Rollback
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47 min read
T-SQL Stored Procedures for SQL Server: Params, Return Codes, sp_executesql & TRY/CATCH
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Jun 7
T-SQL Stored Procedures for SQL Server: Params, Return Codes, sp_executesql & TRY/CATCH
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50 min read
SQL Server Analysis Services (SSAS): Tabular vs Multidimensional for Data Engineers
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Jun 7
SQL Server Analysis Services (SSAS): Tabular vs Multidimensional for Data Engineers
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45 min read
SSMS 21 (SQL Server Management Studio): A Data Engineer's Productivity Guide
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Jun 7
SSMS 21 (SQL Server Management Studio): A Data Engineer's Productivity Guide
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45 min read
SQL Server 2025 Interview Questions: What's New in T-SQL, Performance & AI Features
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Jun 6
SQL Server 2025 Interview Questions: What's New in T-SQL, Performance & AI Features
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44 min read
Databricks API & CLI for Data Engineers: Jobs, Clusters, Repos & CI/CD
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Jun 6
Databricks API & CLI for Data Engineers: Jobs, Clusters, Repos & CI/CD
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49 min read
Databricks Genie (AI/BI): Text-to-SQL Spaces, Trust & Production Use Cases
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Jun 6
Databricks Genie (AI/BI): Text-to-SQL Spaces, Trust & Production Use Cases
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50 min read
Databricks Unity Catalog: Governance, Lineage, Row/Column Security & Delta Sharing
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Jun 6
Databricks Unity Catalog: Governance, Lineage, Row/Column Security & Delta Sharing
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51 min read
ChatGPT / LLM Workflows for Data Engineers: SQL Generation, dbt Macros & Lineage
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Jun 5
ChatGPT / LLM Workflows for Data Engineers: SQL Generation, dbt Macros & Lineage
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41 min read
Pandas for Data Engineering: melt, pivot, groupby, merge & DuckDB Migration
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Jun 5
Pandas for Data Engineering: melt, pivot, groupby, merge & DuckDB Migration
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35 min read
ETL vs ELT: Architecture, Trade-offs & When Each Wins
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Jun 5
ETL vs ELT: Architecture, Trade-offs & When Each Wins
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45 min read
Enterprise Data Warehouse Design (Inmon-Style): Multi-Source, Conformed, Governed
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Jun 5
Enterprise Data Warehouse Design (Inmon-Style): Multi-Source, Conformed, Governed
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45 min read
SQL for Data Analytics & Data Analysts: Cohorts, Funnels, Retention
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Jun 4
SQL for Data Analytics & Data Analysts: Cohorts, Funnels, Retention
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46 min read
SQL IF / IIF / NULLIF / NULL-Handling Cheat Sheet for Data Engineers
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Jun 4
SQL IF / IIF / NULLIF / NULL-Handling Cheat Sheet for Data Engineers
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42 min read
SQL LIKE, REGEXP & Wildcard Pattern Matching for Data Engineers
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Jun 4
SQL LIKE, REGEXP & Wildcard Pattern Matching for Data Engineers
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45 min read
SQL DISTINCT + COUNT(DISTINCT): Deduplication, Approximate Counts, HyperLogLog
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Jun 4
SQL DISTINCT + COUNT(DISTINCT): Deduplication, Approximate Counts, HyperLogLog
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44 min read
SQL Subqueries: Correlated, Scalar, Derived Tables & EXISTS
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Jun 3
SQL Subqueries: Correlated, Scalar, Derived Tables & EXISTS
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43 min read
SQL BETWEEN & Range Queries: Numeric, Date, Inclusive vs Exclusive
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Jun 3
SQL BETWEEN & Range Queries: Numeric, Date, Inclusive vs Exclusive
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47 min read
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