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Sequence 124 — Meridian applied-lab plan and prediction
Context: Chapter 7 - Data Security | Applied Lab
Source: CDMP Master Execution Manual
When / purpose
Enter the Chapter 7 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
| Priority | Resource | Open | Use now | Stop point |
|---|---|---|---|---|
| MUST | Chapter 7 Applied Lab folder | OPEN | Open the Chapter 7 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 | OPEN | Read only the scenario/system/domain sections used by the lab. | Do not memorize the whole casebook. |
| REFERENCE | Technology Roadmap | OPEN | Required medium: PostgreSQL roles/views + DBeaver. | Do not exceed the 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
Classify columns; create lab users/roles; grant/revoke access; build a CRUD/access matrix; expose only necessary columns via views; test least privilege; record access-control evidence.
Create / save
Lab prediction + input/evidence checklist.
Stop / boundary
Stay inside the current source/skill boundary. Do not pre-learn later chapters or engineering depth.
Completion gate
You can explain what you are about to do, why it matters and what result would change your conclusion.
NEXT → Sequence 125
This card preserves the manual’s missing-lab gate; it does not build the separate Chapter 7 lab.
Operationalized from the verified canonical 00C Master Execution Manual; not a verbatim transcription.
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