# Competences — database integrator

Source: ESCO v1.2.1 occupation-skill relations (http://data.europa.eu/esco/occupation/3d190639-90f8-4402-b1b3-a104a17e0d67).

## Essential

- **balance database resources** (skill/competence)
- **create database diagrams** (skill/competence)
- **data extraction, transformation and loading tools** (knowledge)
- **database management systems** (knowledge)
- **domain name service** (knowledge)
- **execute integration testing** (skill/competence)
- **ICT debugging tools** (knowledge)
- **implement data warehousing techniques** (skill/competence)
- **information structure** (knowledge)
- **integrate ICT data** (skill/competence)
- **manage data** (skill/competence)
- **manage ICT legacy implication** (skill/competence)
- **perform data cleansing** (skill/competence)
- **query languages** (knowledge)
- **resource description framework query language** (knowledge)
- **use interface description language** (skill/competence)
- **verify formal ICT specifications** (skill/competence)

## Optional

- apply ICT systems theory (skill/competence)
- business intelligence (knowledge)
- CA Datacom/DB (knowledge)
- create solutions to problems (skill/competence)
- data engineering (knowledge)
- database (knowledge)
- DB2 (knowledge)
- define data quality criteria (skill/competence)
- define integration strategy (skill/competence)
- design application interfaces (skill/competence)
- digital systems (knowledge)
- execute ICT audits (skill/competence)
- Filemaker (database management systems) (knowledge)
- IBM Informix (knowledge)
- IBM InfoSphere DataStage (knowledge)
- IBM InfoSphere Information Server (knowledge)
- Informatica PowerCenter (knowledge)
- inter-organisational middleware system (knowledge)
- LDAP (knowledge)
- LINQ (knowledge)
- manage cloud data and storage (skill/competence)
- manage ICT semantic integration (skill/competence)
- MarkLogic (knowledge)
- MDX (knowledge)
- Microsoft Access (knowledge)
- MySQL (knowledge)
- N1QL (knowledge)
- ObjectStore (knowledge)
- OpenEdge Database (knowledge)
- Oracle Data Integrator (knowledge)
- Oracle Relational Database (knowledge)
- Oracle Warehouse Builder (knowledge)
- Pentaho Data Integration (knowledge)
- perform data mining (skill/competence)
- perform project management (skill/competence)
- PostgreSQL (knowledge)
- QlikView Expressor (knowledge)
- SAP Data Services (knowledge)
- SAS Data Management (knowledge)
- SPARQL (knowledge)
- SQL Server (knowledge)
- SQL Server Integration Services (knowledge)
- system design (knowledge)
- systems development life-cycle (knowledge)
- systems theory (knowledge)
- Teradata Database (knowledge)
- TripleStore (knowledge)
- use scripting programming (skill/competence)
- write database documentation (skill/competence)
- XQuery (knowledge)

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## Market evidence (job-ad analysis, 51 ads, as of 2026-07-11)

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

### Hard skills

- data integration — **75 %**
- data modeling — **29 %**
- etl development — **27 %**
- data analysis — **20 %**

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