--- title: "#data-lake articles | Hashnode" description: "Explore 105 articles tagged #data-lake on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/data-lake" --- Tag # #data-lake 105 posts · 10 followers [George Ezejiofor](https://hashnode.com/@georgeezejiofor) · [Oct 16](https://hashnode.com/posts/open-source-databricks-ai-native-lakehouse-homelab/6ad2a764a305ffe66917ddea) ### [Self-Hosted Databricks Alternative: Homelab Data Lakehouse (AI/ML Data Factory)](https://georgeezejiofor.com/open-source-databricks-ai-native-lakehouse-homelab?utm_source=hashnode&utm_medium=feed) Self-Hosted Databricks Alternative: Homelab Data Lakehouse (AI/ML Data Factory) 40 min read · [georgeezejiofor.com](https://georgeezejiofor.com/open-source-databricks-ai-native-lakehouse-homelab?utm_source=hashnode&utm_medium=feed) [12](https://hashnode.com/posts/open-source-databricks-ai-native-lakehouse-homelab/6ad2a764a305ffe66917ddea) [Mugesh Krishna {M K }](https://hashnode.com/@mugeshkrishna) · [Sep 26](https://hashnode.com/posts/databricks-ltap-lakebase-postgres/6ab81d065b97bcf6df130c61) ### [Databricks LTAP: Bringing PostgreSQL OLTP and Lakehouse Analytics Together](https://organization-data-analysis-agent.hashnode.dev/databricks-ltap-lakebase-postgres?utm_source=hashnode&utm_medium=feed) Introduction Modern applications continuously generate transactional data. PostgreSQL is commonly used as the operational database because applications need fast and reliable INSERT, UPDATE, DELETE, a 8 min read · [organization-data-analysis-agent.hashnode.dev](https://organization-data-analysis-agent.hashnode.dev/databricks-ltap-lakebase-postgres?utm_source=hashnode&utm_medium=feed) [vikas sharma](https://hashnode.com/@vikasty) · [Sep 22](https://hashnode.com/posts/best-data-lake-solutions-for-growing-business-data/6ab21213878f6e84e104d036) ### [Best Data Lake Solutions for Growing Business Data](https://vkdigiservices.hashnode.dev/best-data-lake-solutions-for-growing-business-data?utm_source=hashnode&utm_medium=feed) Managing Diverse Data With a Scalable Cloud Approach 4 min read · [vkdigiservices.hashnode.dev](https://vkdigiservices.hashnode.dev/best-data-lake-solutions-for-growing-business-data?utm_source=hashnode&utm_medium=feed) [aslangamzenur079](https://hashnode.com/@gmzx) · [Sep 11](https://hashnode.com/posts/i-finally-understood-why-we-need-oltp-olap-data-lakes-and-lakehouses/6aa45d3ba830b06f5e6ffaf5) ### [I Finally Understood Why We Need OLTP, OLAP, Data Lakes and Lakehouses](https://gamzenuraslan.hashnode.dev/i-finally-understood-why-we-need-oltp-olap-data-lakes-and-lakehouses?utm_source=hashnode&utm_medium=feed) A simple way I started thinking about where data should live 4 min read · [gamzenuraslan.hashnode.dev](https://gamzenuraslan.hashnode.dev/i-finally-understood-why-we-need-oltp-olap-data-lakes-and-lakehouses?utm_source=hashnode&utm_medium=feed) [MyData Insights](https://hashnode.com/@mydatainsights) · [Aug 7](https://hashnode.com/posts/lakehouse-vs-data-lake-governance-and-security-differences-every-enterprise-should-know/6a7574c5aa282384350d691b) ### [Lakehouse vs Data Lake: Governance and Security Differences Every Enterprise Should Know](https://mydatainsights-blogs.hashnode.dev/lakehouse-vs-data-lake-governance-and-security-differences-every-enterprise-should-know?utm_source=hashnode&utm_medium=feed) Data Lake vs Data Lakehouse compared on governance and security — metadata, lineage, RBAC, row-level security and compliance, on. 7 min read · [mydatainsights-blogs.hashnode.dev](https://mydatainsights-blogs.hashnode.dev/lakehouse-vs-data-lake-governance-and-security-differences-every-enterprise-should-know?utm_source=hashnode&utm_medium=feed) [Sergio González Téllez](https://hashnode.com/@evandev) · [Jul 20](https://hashnode.com/posts/why-do-ai-systems-with-increasingly-sophisticated-models-continue-to-produce-mediocre-or-inconsistent-results/6a5e6832eeaf763d0e500a14) ### [Why do AI systems with increasingly sophisticated models continue to produce mediocre or inconsistent results?](https://evankhandev.hashnode.dev/why-do-ai-systems-with-increasingly-sophisticated-models-continue-to-produce-mediocre-or-inconsistent-results?utm_source=hashnode&utm_medium=feed) Discover why governed data lakes often have a greater impact on AI system quality than incremental improvements in machine learning models. 3 min read · [evankhandev.hashnode.dev](https://evankhandev.hashnode.dev/why-do-ai-systems-with-increasingly-sophisticated-models-continue-to-produce-mediocre-or-inconsistent-results?utm_source=hashnode&utm_medium=feed) [SapotaCorp](https://hashnode.com/@sapotacorpvn) · [Jul 12](https://hashnode.com/posts/data-engineering-for-a-regulated-fintech-a-10-month-aws-lake-build/6a53c5a0b98c9bd29bc95daf) ### [Data engineering for a regulated fintech: a 10-month AWS lake build](https://sapotacorpvn.hashnode.dev/data-engineering-for-a-regulated-fintech-a-10-month-aws-lake-build?utm_source=hashnode&utm_medium=feed) A regional fintech operator needed its legacy file submission and reporting platform rebuilt on a modern AWS data lake. We delivered a Medallion architecture on S3 + Glue + Airflow + Athena across two AWS accounts, with regulator-aligned co 13 min read · [sapotacorpvn.hashnode.dev](https://sapotacorpvn.hashnode.dev/data-engineering-for-a-regulated-fintech-a-10-month-aws-lake-build?utm_source=hashnode&utm_medium=feed) [Braeson Nyahera](https://hashnode.com/@braeson) · [Jul 5](https://hashnode.com/posts/slowly-changing-dimensions-scds-with-examples-complete-guide/6a4a5a5a051f3fa060324800) ### [Slowly Changing Dimensions(SCDs) with examples; Complete Guide](https://braeson.hashnode.dev/slowly-changing-dimensions-scds-with-examples-complete-guide?utm_source=hashnode&utm_medium=feed) Learn what Slowly Changing Dimensions (SCDs) are and how to manage historical data. Explore SCD types 1-6 with clear, practical examples. 5 min read · [braeson.hashnode.dev](https://braeson.hashnode.dev/slowly-changing-dimensions-scds-with-examples-complete-guide?utm_source=hashnode&utm_medium=feed) [Tencent Cloud -Cloud Log Service](https://hashnode.com/@tencentcloud-cls) · [Jun 15](https://hashnode.com/posts/deliver-cls-logs-to-tencent-cloud-dlc-for-spark-based-analysis/6a2faf3c7d15b5336fee6869) ### [Deliver CLS Logs to Tencent Cloud DLC for Spark-Based Analysis](https://tencentcloud-cls.hashnode.dev/deliver-cls-logs-to-tencent-cloud-dlc-for-spark-based-analysis?utm_source=hashnode&utm_medium=feed) How to configure CLS log delivery into Data Lake Compute, map fields and partitions, and choose between DLC, Ckafka, and COS delivery paths. 5 min read · [tencentcloud-cls.hashnode.dev](https://tencentcloud-cls.hashnode.dev/deliver-cls-logs-to-tencent-cloud-dlc-for-spark-based-analysis?utm_source=hashnode&utm_medium=feed) [Sachin Nandanwar](https://hashnode.com/@SachinNandanwar) · [Apr 6](https://hashnode.com/posts/retrieve-the-hierarchical-directory-structure-from-azure-adls-gen2-storage/69d3f9ec40c9cabf446a0dd2) ### [Retrieve the hierarchical directory structure from Azure ADLS Gen2 storage](https://www.azureguru.net/retrieve-the-hierarchical-directory-structure-from-azure-adls-gen2-storage?utm_source=hashnode&utm_medium=feed) using DatalakeServiceClient to retrieve the hierarchical directory structure from Azure ADLS Gen2 storage 6 min read · [azureguru.net](https://www.azureguru.net/retrieve-the-hierarchical-directory-structure-from-azure-adls-gen2-storage?utm_source=hashnode&utm_medium=feed)