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V Skill HF-D7.3-001 sector-specific 9 kompetenser

Data modelling

Describes data and its relationships in a model with entities, attributes and keys that matches the work process.

Hur hrmforce mäter detta

Bedömningsmetod
Work sample test · rho 0.33 (SD 0.09)
hrmforce instrument
Knowledge test (client-specific), Work sample test
Kompetens (50-ramverk)
Conceptual thinking
Utbildningsbarhet
high
Prognos för efterfrågan 2026–2030
stable

The candidate performs a representative work sample under standardised conditions.

Beteendeankare

NivåBeteende på denna nivå
N1 Guided Extends an existing data model with new fields following the applicable naming conventions and has the work reviewed.
works under supervision and follows instruction · routine, one variable at a time · own task
N3 Proficient Designs a logical data model for a defined domain, normalises where needed and discusses choices with users and developers.
sets own approach and seeks input proactively · several variables, some ambiguity · own team or process
N5 Leading Sets the organisation's modelling standards and core data model and decides on deviations from them.
sets the standard and the policy · strategic, under high uncertainty · organisation, value chain or profession

N2 och N4 är medvetet inte förankrade. Bedömarna placerar dem mellan förankringarna, i enlighet med konventionen O*NET.

Grundläggande kompetenser

Dessa kompetenser ärver bedömningsvägen och beteendeankarna för detta konstrukt.

TKompetensDefinitionPrognos för efterfrågan 2026–2030
V Drawing an entity relationship diagram
ERD · Entity relationship diagram
Draws entities, attributes and relationships with cardinalities in a diagram that recognisably reflects the work process. stable
V Normalising a data model
Normalisation
Splits tables up to third normal form to prevent repetition and contradictory data. stable
V Defining keys and identification
Primary key · Foreign key
Chooses primary and foreign keys, decides between a natural or surrogate key and records uniqueness. stable
V Designing a star schema
Star schema · Dimensional modelling
Designs a fact table with dimensions for reporting and determines granularity and measures per fact. stable
V Setting up slowly changing dimensions
Slowly changing dimensions
Records how history in dimensions is preserved so reports about the past remain correct. stable
V Distinguishing logical and physical models
Logical data model
Develops a conceptual model into a logical and physical model and keeps both aligned. stable
V Creating a data dictionary
Data dictionary
Describes meaning, format, allowed values and source per field so users interpret the data identically. rising
V Modelling semi structured data
JSON schema
Models nested data from json or xml with a schema, mandatory fields and versioning of the structure. rising
V Validating a data model with users
Model validation
Walks through a model with subject experts using examples and adjusts it for exceptions found. stable
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