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Work · Guided lesson

Find inconsistent variants and labels

About 11 minutes · 3 reading + 8 practice and checks
Time includes reading, practice, and questions. Extra videos or further study are optional.
See this course’s project requirements

A publish-ready fictional twelve-variant catalog with attribute rules, parent/variant relationships, corrected inconsistencies, a source-evidence ledger and change/release checklist.

Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.

What to include

  • Create a twelve-variant identity register; include the original-case decision evidence and a separate changed-case result.
  • Write a catalog validation checklist and corrected row; include the original-case decision evidence and a separate changed-case result.
  • Create a claim-to-source ledger with the held statement; include the original-case decision evidence and a separate changed-case result.
  • Correct from the supplied family rule and log the change; include the original-case decision evidence and a separate changed-case result.
  • Create the release checklist across dependent records; include the original-case decision evidence and a separate changed-case result.
  • Write a release and rollback/handoff record; include the original-case decision evidence and a separate changed-case result.

Review and revise

Use these criteria to check your work and choose what to improve.

  • The final packet uses the supplied task-specific constraints and all six records agree.
  • Every result can be traced to an identifier, input, calculation or stated decision rule.
  • Changed-case practice updates dependent records and keeps holds or uncertainty visible.
  • The packet states the learner role, authority boundary and specific next verification needed before real work.
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Before you begin

The idea in everyday life

Original fictional workplace practice; paper or a local document is sufficient. The rules and records below are supplied for this exercise, not asserted universal workplace policy. Cedar submitted rows include B-500-blue 500 blue; B-500-gray 500 gray; B-750-blue 750 blue; B-750-blue 750 gray. Four rows but the last duplicates an ID and conflicts with its color; B-750-gray is missing.

The idea

A cross-row audit uses the identity rule to catch duplicated IDs, conflicting attributes and missing combinations; identical names alone are not the key.

Follow along

Find inconsistent variants and labels — worked practice

A cross-row audit uses the identity rule to catch duplicated IDs, conflicting attributes and missing combinations; identical names alone are not the key.

Cedar submitted rows include B-500-blue 500 blue; B-500-gray 500 gray; B-750-blue 750 blue; B-750-blue 750 gray. Four rows but the last duplicates an ID and conflicts with its color; B-750-gray is missing. Use paper or a local document. Preserve the original case and make a separate changed-case record.

  1. 1. Step 1

    Compare each ID to its size/color fields.

    You should see: Last ID ends blue but color gray: mismatch.

    Keep the stated identifier, unit and policy alongside this result so another reader can check it.

  2. 2. Step 2

    Count distinct IDs as well as rows.

    You should see: Four rows but only three distinct IDs.

    Keep the stated identifier, unit and policy alongside this result so another reader can check it.

  3. 3. Step 3

    Compare observed combinations with the expected four.

    You should see: 750 gray combination exists as attributes but lacks its correct unique ID.

    Keep the stated identifier, unit and policy alongside this result so another reader can check it.

  4. 4. Step 4

    Correct from the supplied family rule and log the change.

    You should see: A four-variant Bottle register with last ID corrected to B-750-gray and four unique IDs.

    Keep the stated identifier, unit and policy alongside this result so another reader can check it.

Now change one thing

A fifth row exactly duplicates B-500-blue. How many unique valid Bottle IDs remain after deduplicating exact copies?

Your work

What to finish

Correct from the supplied family rule and log the change; include the original-case decision evidence and a separate changed-case result.

Common mistake

Watch for this

Using a row-count total as proof of unique and complete variants.

How can I tell I understand it?

Using the supplied identifiers, I can correct from the supplied family rule and log the change. My changed-case record names the revised condition and explains which dependent decision it changes.

Try 3 questions

Quick knowledge check

Answer all 3 questions. Get at least 2 right and the lesson completes automatically.

Not yet passed

You’ll get an explanation for each answer. Signed in? Your results save to your account.

1Cedar’s four submitted Bottle rows have B-750-blue twice. How many distinct IDs are present?
2Cedar row IDB-750-blue has color gray. Which correction follows the supplied identity rule?
3Why is Cedar’s row count 4 insufficient proof of a complete four-variant family?
0 of 3 answeredApply the lesson to a short question, then review the explanation.
4
Finish this lesson

Pass the check. We’ll save the progress.

Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.

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Sources and further reading

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41-2031.00 - Retail Salespersons
Source & access notes · checked 2026-10-01

Occupational task and responsibility context; the exercise policies and quantities are original fictional inputs. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

43-9021.00 - Data Entry Keyers
Source & access notes · checked 2026-10-01

Occupational task and responsibility context; the exercise policies and quantities are original fictional inputs. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

Advertising and Marketing | Federal Trade Commission
Source & access notes · checked 2026-10-01

Public agency or educational context; no source exercises are copied and no simulated threshold is presented as an official rule. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

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