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docs: add realistic data masking example with multi-backend support#3631

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KristoferFangrat wants to merge 6 commits intodlt-hub:develfrom
KristoferFangrat:docs/3630-add-realistic-masking-example
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docs: add realistic data masking example with multi-backend support#3631
KristoferFangrat wants to merge 6 commits intodlt-hub:develfrom
KristoferFangrat:docs/3630-add-realistic-masking-example

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@KristoferFangrat KristoferFangrat commented Feb 13, 2026

  • Add production-ready mask_columns function that takes columns as parameters
  • Support for pyarrow, connectorx, pandas, and sqlalchemy backends
  • Include both mask and nullify methods
  • Explain closure pattern for non-professional developers
  • Provide practical examples for SQL database sources

Closes #2116

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KristoferFangrat and others added 6 commits February 13, 2026 10:44
- Add production-ready mask_columns function that takes columns as parameters
- Support for pyarrow, connectorx, pandas, and sqlalchemy backends
- Include both mask and nullify methods
- Explain closure pattern for non-professional developers
- Provide practical examples for SQL database sources

Closes dlt-hub#2116
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Add a more realistic data masking example

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