XQuery

Description

The computer language XQuery is a query language for retrieval of information from a database and of documents containing the needed information. It is developed by the international standards organisation World Wide Web Consortium.

Alternative labels

XQuery 1.0
XQuery 3.0

Skill type

knowledge

Skill reusability level

sector-specific

Relationships with occupations

Essential knowledge

XQuery is an essential knowledge of the following occupations:

Data entry supervisor: Data entry supervisors manage the day-to-day operations of data entry staff. They organise the workflow and tasks. 

Optional knowledge

XQuery is optional for these occupations. This means knowing this knowledge may be an asset for career advancement if you are in one of these occupations.

Software analyst: Software analysts elicit and prioritise user requirements, produce and document software specifications, test their application, and review them during software development. They act as the interface between the software users and the software development team.
ICT test analyst: ICT test analysts work in testing environments, assessing products, checking for quality and accuracy, or creating tests scripts. They design tests which are then implemented by testers.
Digital forensics expert: Digital forensics experts retrieve and analyse information from computers and other types of data storage devices. They examine digital media that may have been hidden, encrypted or damaged, in a forensic manner with the aim to identify, preserve, recover, analyse and present facts and opinions about the digital information.
Software tester: Software testers perform software tests. They may also plan and design them. They may also debug and repair software although this mainly corresponds to designers and developers. They ensure that applications function properly before delivering them to internal and external clients.
Data warehouse designer: Data warehouse designers are responsible for planning, connecting, designing, scheduling, and deploying data warehouse systems. They develop, monitor and maintain ETL processes, reporting applications and data warehouse design.
Data scientist: Data scientists find and interpret rich data sources, manage large amounts of data, merge data sources, ensure consistency of data-sets, and create visualisations to aid in understanding data. They build mathematical models using data, present and communicate data insights and findings to specialists and scientists in their team and if required, to a non-expert audience, and recommend ways to apply the data.
Digital games tester: Digital games testers review and test various genres of digital games by playing them in order to find bugs and glitches within the game’s functionality or graphics. They may evaluate the capacity of attraction and playability of games. They may also debug the games themselves.
Database integrator: Database integrators perform integration among different databases. They maintain integration and ensure interoperability.
ICT capacity planner: ICT capacity planners ensure that the capacity of ICT services and ICT infrastructure is able to deliver agreed service level targets in a cost effective and timely manner. They also consider all resources required to deliver the appropriate ICT service, and plan for short, medium, and long term business requirements.
Big data archive librarian: Big data archive librarians classify, catalogue and maintain libraries of digital media. They also evaluate and comply with metadata standards for digital content and update obsolete data and legacy systems.
ICT accessibility tester: ICT accessibility testers evaluate websites, software applications, systems or user interface components with regards to friendliness, operability of the navigation and visibility to all types of users, especially including those with special needs or disabilities.
ICT system tester: ICT system testers perform testing activities and some test planning activities. They may also debug and repair ICT systems and components although this mainly corresponds to designers and developers. They ensure that all systems and components function properly before delivering them to internal and external clients.
ICT usability tester: ICT usability testers ensure compliance with requirements and strive for optimal usability within the software engineering cycle phases (analysis, design, implementation, and deployment). They also work closely with users (analysts) to research for and document user profiles, analyse tasks, workflows, and user scenarios.
Data entry clerk: Data entry clerks update, maintain and retrieve information held on computer systems. They prepare source data for computer entry by compiling and sorting information, process customer and account source documents by reviewing data for deficiencies and verify entered customer and account data.
Market research analyst: Market research analysts collect the information gathered in the market research and study it to draw conclusions. They define the potential customers of a product, the target group and the way they can be reached. Market research analysts analyse the position of products in the market from different perspectives such as features, prices and competitors. They analyse cross selling and interdependencies between different products and their placement. Market research analysts prepare information helpful for the development of marketing strategies.
ICT research consultant: ICT research consultants perform targeted ICT research and provide a final report to the client. They also use ICT tools to design questionnaires for surveys, analyse the results, write reports, present the results and make recommendations based on the research findings.
Data quality specialist: Data quality specialists review organisation’s data for accuracy, recommend enhancements to record systems and data acquisition processes and assess referential and historical integrity of data. They also develop documents and maintain data quality goals and standards and oversee an organisation’s data privacy policy and monitor compliance of data flows against data quality standards.
ICT integration tester: ICT integration testers perform tests in groups of system components, units or even applications. They group them in larger aggregates and apply integration test plans on them. They oversee the complexity of relations between different components.
Database administrator: Database administrators test, implement and administer computer databases. They use their expertise in database management systems to plan, coordinate and implement security measures to safeguard computer databases. They also use scripts and configuration files to tailor a database to users’ needs.
Database designer: Database designers specify the database’s logical structure, processes, and information flows. They design data models and databases to serve data acquisition.
Data centre operator: Data centre operators maintain computer operations within the data centre. They manage daily activities within the centre to solve problems, maintain the system availability, and evaluate the system’s performance.
ICT research manager: ICT research managers plan, manage and monitor research activities and evaluate emerging trends in the information and communication technology field to assess their relevance. They also design and oversee staff training on the use of new technology and recommend ways to implement new products and solutions that will maximise benefits for the organisation.
ICT system analyst: ICT system analysts specify the system needs to meet the end user requirements. They analyse system functions in order to define their goals or purposes and to discover operations and procedures for accomplishing them most efficiently. They also design new IT solutions to improve business efficiency and productivity, produce outline designs and estimate costs of new systems, specify the operations the system will perform, and the way data will be viewed by the end user. They present the design to the users and work closely with the users to implement the solution.
Database developer: Database developers program, implement and coordinate changes to computer databases based on their expertise of database management systems.
Data analyst: Data analysts import, inspect, clean, transform, validate, model, or interpret collections of data with regard to the business goals of the company. They ensure that the data sources and repositories provide consistent and reliable data. Data analysts use different algorithms and IT tools as demanded by the situation and the current data. They might prepare reports in the form of visualisations such as graphs, charts, and dashboards.
Chief data officer: Chief data officers manage companies’ enterprise-wide data administration and data mining functions. They ensure data are used as a strategic business asset at the executive level and implement and support a more collaborative and aligned information management infrastructure for the benefit of the organisation at large.
Computer scientist: Computer scientists conduct research in computer and information science, directed toward greater knowledge and understanding of fundamental aspects of ICT phenomena. They write research reports and proposals. Computer scientists also invent and design new approaches to computing technology, find innovative uses for existing technology and studies and solve complex problems in computing.
User experience analyst: User experience analysts assess client interaction and experience and analyse users’ behaviours, attitudes, and emotions about the usage of a particular product, system or service. They make proposals for the improvement of the interface and usability of products, systems or services. In doing so, they take into consideration the practical, experiential, affective, meaningful and valuable aspects of human–computer interaction and product ownership, as well as the person’s perceptions of system aspects such as utility, ease of use and efficiency, and user experience dynamics.

 


 

References

  1. XQuery – ESCO

 

Last updated on September 20, 2022