data-warehouse-designer/references/skills.md

Competences — data warehouse designer

Source: ESCO v1.2.1 occupation-skill relations (http://data.europa.eu/esco/occupation/1562c7a3-c7d9-419d-b9b6-db26610bcf84).

Essential

• analyse business requirements (skill/competence)
• apply ICT systems theory (skill/competence)
• assess ICT knowledge (skill/competence)
• business process modelling (knowledge)
• create data sets (skill/competence)
• create database diagrams (skill/competence)
• create software design (skill/competence)
• data warehouse (knowledge)
• database (knowledge)
• database development tools (knowledge)
• database management systems (knowledge)
• define technical requirements (skill/competence)
• design database scheme (skill/competence)
• develop automated migration methods (skill/competence)
• ICT security legislation (knowledge)
• identify software for warehouse management (skill/competence)
• information structure (knowledge)
• manage database (skill/competence)
• manage standards for data exchange (skill/competence)
• migrate existing data (skill/competence)
• operate relational database management system (skill/competence)
• query languages (knowledge)
• resource description framework query language (knowledge)
• systems theory (knowledge)
• use databases (skill/competence)
• use markup languages (skill/competence)
• web programming (knowledge)
• write database documentation (skill/competence)

Optional

• ABAP (knowledge)
• Agile project management (knowledge)
• AJAX (knowledge)
• APL (knowledge)
• apply technical communication skills (skill/competence)
• ASP.NET (knowledge)
• Assembly (computer programming) (knowledge)
• build business relationships (skill/competence)
• C# (knowledge)
• C++ (knowledge)
• CA Datacom/DB (knowledge)
• COBOL (knowledge)
• CoffeeScript (knowledge)
• Common Lisp (knowledge)
• computer programming (knowledge)
• data models (knowledge)
• data science (knowledge)
• data visualisation software (knowledge)
• DB2 (knowledge)
• define database physical structure (skill/competence)
• design database backup specifications (skill/competence)
• design database in the cloud (skill/competence)
• design user interface (skill/competence)
• develop reporting software (skill/competence)
• Erlang (knowledge)
• Filemaker (database management systems) (knowledge)
• Groovy (knowledge)
• Haskell (knowledge)
• IBM Informix (knowledge)
• ICT project management methodologies (knowledge)
• Java (computer programming) (knowledge)
• JavaScript (knowledge)
• LDAP (knowledge)
• lean project management (knowledge)
• LINQ (knowledge)
• Lisp (knowledge)
• manage cloud data and storage (skill/competence)
• MarkLogic (knowledge)
• MATLAB (knowledge)
• MDX (knowledge)
• Microsoft Access (knowledge)
• Microsoft Visual C++ (knowledge)
• ML (computer programming) (knowledge)
• MySQL (knowledge)
• N1QL (knowledge)
• Objective-C (knowledge)
• ObjectStore (knowledge)
• OpenEdge Advanced Business Language (knowledge)
• OpenEdge Database (knowledge)
• Oracle Relational Database (knowledge)
• Pascal (computer programming) (knowledge)
• perform data analysis (skill/competence)
• perform resource planning (skill/competence)
• Perl (knowledge)
• PHP (knowledge)
• PostgreSQL (knowledge)
• Process-based management (knowledge)
• product data management (knowledge)
• Prolog (computer programming) (knowledge)
• Python (computer programming) (knowledge)
• R (knowledge)
• respond to customers' inquiries (skill/competence)
• Ruby (computer programming) (knowledge)
• SAP R3 (knowledge)
• SAS language (knowledge)
• Scala (knowledge)
• Scratch (computer programming) (knowledge)
• Smalltalk (computer programming) (knowledge)
• SPARQL (knowledge)
• SQL Server (knowledge)
• store digital data and systems (skill/competence)
• Swift (computer programming) (knowledge)
• Teradata Database (knowledge)
• TripleStore (knowledge)
• TypeScript (knowledge)
• unstructured data (knowledge)
• use access control software (skill/competence)
• use back-up and recovery tools (skill/competence)
• use query languages (skill/competence)
• VBScript (knowledge)
• Visual Basic (knowledge)
• XQuery (knowledge)

Market evidence (job-ad analysis, 46 ads, as of 2026-07-11)

Share of analyzed job ads mentioning the item (threshold ≥ 20 %). Source: JSearch/Adzuna APIs.

Hard skills

• data modeling — 72 %
• data integration — 30 %
• etl development — 26 %
• data governance — 26 %
• data architecture — 20 %
• data warehousing — 20 %