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Sequence 181 — Meridian applied-lab plan and prediction

Context: Chapter 10 - Reference and Master Data | Applied Lab
Source: CDMP Master Execution Manual

When / purpose

Enter the Chapter 10 lab with a business hypothesis before touching tools or templates.

What you should learn

The chapter concept is the lesson; the tool is the medium.
Prediction before action prevents blind clicking.
Source and raw data must remain preserved.
The lab output must support a business/data-management decision.

What to read / study

MUST: Chapter 10 Applied Lab folder — open the Chapter 10 subfolder. Final lab must be source-checked. If the lab guide is missing, stop and have it built from the chapter source.
MUST: Meridian Casebook — read only the scenario/system/domain sections used by the lab; do not memorize the whole casebook.
REFERENCE: Technology Roadmap — required medium: SQL + PostgreSQL + Python/pandas. Do not exceed chapter-triggered depth.

Do this in order

Read the lab business situation and expected evidence.
Write what you predict you will observe or decide.
List the exact inputs you will use.
Confirm raw inputs will remain unchanged.
Identify the DMBOK concept each planned step is supposed to make visible.

Meridian application

Reconcile three conflicting customer sources; define match and survivorship rules; produce a trusted customer view; separate master entities from controlled reference lists; manage code changes/hierarchies.

Create / save

Lab prediction + input/evidence checklist.

Stop / boundary

If the Chapter 10 lab guide is missing, stop at this learner gate. The 00C migration does not build it.

Completion gate

You can explain what you are about to do, why it matters and what result would change your conclusion.

NEXT → Sequence 182

Operationalized from the verified canonical 00C Master Execution Manual; not a verbatim transcription. Separate chapter artifacts are not created by this migration.