Data governance
29 bites tagged Data governance: interview questions with model answers, and 60-second explainers.
Master Data Management (MDM): The Single Source of Truth
Master Data Management (MDM) creates a single source of truth for core business entities. It's used when departments have conflicting data (e.g., 'ACME Inc.' vs 'Acme Corp').
Data Governance: Corporate Management vs. Global Policy
Data governance operates at two scales: managing data within a company and setting data policy between nations. It applies to corporate data management and international internet governance.
Data Quality: Is Your Data Fit for Purpose?
High-quality data is defined by its fitness for a specific purpose, not just its correctness. It must accurately represent the real world. This is critical for business planning or ML models.
Data Profiling: The First Step in Any Data Project
Data profiling creates a 'character sketch' of a dataset, revealing its structure, content, and quality. It's the first step in data warehousing or analytics to discover metadata and assess risks. The footgun is skipping it, leading to late-project surprises.
Data Dictionary: The 'About' Page for Your Data
A data dictionary is the instruction manual for your database, defining what each piece of data means and how it's formatted. It's used by engineers to understand a schema or by analytics tools to interpret columns. The biggest footgun is letting it go stale.
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