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Big Data Tech Team

Focuses on big data, data analysis, data warehousing, data middle platform, data science, Flink, AI and interview experience, side‑hustle earning and career planning.

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Latest from Big Data Tech Team

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Big Data Tech Team

Apr 16, 2025 · Operations

Mastering Data Warehouse Naming: A Complete Guide to Standards and Processes

This article provides a comprehensive, step‑by‑step guide to data‑warehouse development, covering the full R&D workflow, data modeling layers, data dictionary creation, naming conventions for tables, columns, indexes and ETL jobs, metric standardization, and governance processes to ensure consistent, maintainable data assets across the organization.

ETLdata dictionarymetadata

0 likes · 28 min read

Mastering Data Warehouse Naming: A Complete Guide to Standards and Processes

Big Data Tech Team

Apr 14, 2025 · Industry Insights

How DeepSeek AI is Transforming Data Warehouses: From Automation to Real‑Time Insights

DeepSeek leverages large‑model AI to automate requirement analysis, intelligent modeling, performance tuning, and value extraction in data warehouses, addressing low development efficiency, high O&M cost, latency, and lack of intelligence while showcasing concrete use‑case results across finance, e‑commerce, and manufacturing.

AIAutomationData Warehouse

0 likes · 9 min read

How DeepSeek AI is Transforming Data Warehouses: From Automation to Real‑Time Insights

Big Data Tech Team

Apr 9, 2025 · Artificial Intelligence

12 Powerful Ways DeepSeek Transforms Data Governance

This article outlines twelve practical DeepSeek AI applications for data governance, covering automated classification, dynamic privacy masking, compliance checks, quality monitoring, intelligent integration, lineage analysis, metadata management, smart retrieval, strategy formulation, security risk handling, lifecycle control, and performance evaluation.

AIDeepSeekUse Cases

0 likes · 7 min read

12 Powerful Ways DeepSeek Transforms Data Governance

Big Data Tech Team

Apr 6, 2025 · Industry Insights

Essential Data Warehouse Self‑Check Checklist: 200+ Items Across 6 Core Modules

This article provides a comprehensive data‑warehouse self‑assessment checklist covering six core modules—data quality, security, compliance, process management, technology tools, and personnel training—with over 200 detailed inspection items to help organizations evaluate and improve their data governance practices.

Data Governance

0 likes · 13 min read

Essential Data Warehouse Self‑Check Checklist: 200+ Items Across 6 Core Modules

Big Data Tech Team

Mar 25, 2025 · Big Data

How Apache Paimon Transforms Real‑Time Lakehouse Architecture

This article analyzes the limitations of a traditional Flink + Talos + Iceberg real‑time lakehouse, introduces Apache Paimon's lakehouse table format and LSM storage, and demonstrates three practical use cases—partial‑update widening, streaming upsert, and lookup join—showing cost, stability, and performance improvements while outlining future roadmap.

Apache PaimonFlinkLakehouse

0 likes · 16 min read

How Apache Paimon Transforms Real‑Time Lakehouse Architecture

Big Data Tech Team

Mar 17, 2025 · Big Data

How to Design and Review a Data Warehouse Model: A Complete Guide

This document outlines a comprehensive data warehouse model design and review process, covering revision records, project overview, business requirements, conceptual and logical modeling, ETL workflow, exception handling, and acceptance criteria with practical examples and templates.

Data WarehouseETLModel Design

0 likes · 6 min read

How to Design and Review a Data Warehouse Model: A Complete Guide

Big Data Tech Team

Mar 4, 2025 · Industry Insights

100 Real-World DeepSeek Scenarios: How AI Is Reshaping Industries

The article analyzes DeepSeek's open‑source model launch, its rapid user growth, and presents a comprehensive list of 100 practical AI use cases across sectors—grouped by frequency and adoption stage—to illustrate the model's market impact and future potential.

AI applicationsArtificial IntelligenceDeepSeek

0 likes · 16 min read

100 Real-World DeepSeek Scenarios: How AI Is Reshaping Industries

Big Data Tech Team

Feb 27, 2025 · Databases

Master Essential SQL Techniques for Data Analyst Interviews

This article presents a comprehensive guide to essential SQL skills for data‑analysis positions, covering join operations, difference detection, duplicate removal, missing‑value handling, multi‑condition and fuzzy filtering, aggregation, conditional calculations, trimming, cost computation, and includes a collection of practical interview questions with sample queries.

Database QueriesSQLSQL Basics

0 likes · 10 min read

Master Essential SQL Techniques for Data Analyst Interviews

Big Data Tech Team

Feb 18, 2025 · Artificial Intelligence

How DeepSeek Trains and Optimizes Its LLMs: From Pre‑training to Reasoning Models

This article breaks down DeepSeek's LLM training pipeline, explaining the massive pre‑training phase, instruction fine‑tuning, reinforcement‑learning‑from‑human‑feedback, and the distinct roles of its V3 instruction model and R1 reasoning model, while also highlighting performance metrics and current limitations.

DeepSeekLLMRLHF

0 likes · 8 min read

How DeepSeek Trains and Optimizes Its LLMs: From Pre‑training to Reasoning Models

Big Data Tech Team

Feb 17, 2025 · Industry Insights

How DeepSeek Transforms Data Warehouse Development: 5 Game-Changing Benefits

DeepSeek, the popular Chinese large‑language model, boosts data‑warehouse engineers' productivity by offering free, open‑source AI assistance across code writing, model design, metadata management, data quality monitoring, and governance, ultimately maximizing enterprise data asset value.

Artificial IntelligenceData WarehouseDeepSeek

0 likes · 5 min read

How DeepSeek Transforms Data Warehouse Development: 5 Game-Changing Benefits