Title: Data Architecture Author: Kriko Published: May 30, 2023 Last modified: Jul 7, 2026 --- 1. [Home](https://kriko.io/) / 2. [Glossary](https://kriko.io/glossary) / 3. D Letter # Data Architecture **Data architecture** is the structure that defines how an organisation collects, stores, manages, integrates and uses data. It brings data systems, technologies, rules, standards and management principles together within a common framework. Data architecture enables information to be managed more consistently, securely and transparently throughout its lifecycle. It also provides the technical foundation required for different systems to operate together. Digitalisation has caused the volume of data generated and processed by organisations to increase continuously. Some businesses manage information at gigabyte scale, while larger systems may process terabytes, petabytes or even greater volumes. However, data architecture is not concerned solely with the size of datasets. Data quality, accessibility, security, consistency and alignment with business objectives are equally important considerations. A well-designed data architecture makes it easier to identify accurate and reliable information across complex data sources. Defining information according to common standards can prevent the same business concept from being interpreted differently across separate systems. This structure provides a stronger foundation for analytics, reporting, machine learning and business intelligence initiatives. Organisations can therefore generate more meaningful and usable insights from large datasets. Big data architectures may include components such as data sources, ingestion, storage, batch processing, stream processing, analytics and reporting. Data catalogues, metadata management, security, access controls and governance tools may also form part of the architecture. Machine learning infrastructure and model management processes can be important in environments with advanced analytical requirements. However, every data architecture does not need to contain all of these components, as the appropriate structure depends on organisational needs. **Data sources** may include business applications, operational databases, customer management systems, static files, third-party services and IoT devices. Information from these sources may be collected in scheduled batches or transferred into the system in real time. Integration processes must be designed carefully because different sources may use different formats and data structures. The potential effect of changes in source systems on existing data flows should also be evaluated during architectural planning. **Batch processing** refers to processing data accumulated over a defined period at scheduled intervals. During this process, information may be cleaned, filtered, combined and transformed into a structure suitable for analysis. Stream processing evaluates data continuously and with low latency as it enters the system. Real-time fraud detection, live sensor monitoring and immediate user behaviour analysis are common examples of stream processing. The data storage layer may consist of relational databases, NoSQL systems, data warehouses, data lakes or cloud-based storage services. Technology should be selected according to data structure, query requirements, access frequency and security needs. Some architectures use data warehouses for structured reporting information and data lakes for raw information in different formats. Modern organisations may also adopt lakehouse systems that combine characteristics of both approaches. Machine learning is not a mandatory component of every data architecture, but it can play an important role in systems that require forecasting, classification or automated decision-making. Models need access to accurate, current and high-quality information to produce reliable results. For this reason, data architecture and machine learning processes are closely connected. The source of training information, transformation steps and dataset versions should be managed in a traceable manner. **Data governance**, security and data quality are also important parts of a data architecture. Clear rules should determine who can access information, how long it will be retained and how personal data will be protected. Data lineage enables organisations to trace where information originated and which transformations it has undergone. This approach supports regulatory compliance and increases confidence in reports and analytical results. A **data architect** is a professional who translates business requirements into technical data solutions and designs the organisation’s overall data structure. People working in this field may have backgrounds in computer engineering, software engineering, information systems or related disciplines. However, a particular university degree is not always mandatory, as practical experience, technical capabilities and industry knowledge are also highly valued. Knowledge of databases, SQL, cloud technologies, integration methods, data security and modelling is generally expected. The responsibilities of a data architect are not limited to server management or the selection of physical storage devices. They must understand business requirements, design suitable data flows, evaluate technology choices and establish common standards across technical teams. Data architects typically work closely with data engineers, data scientists, software developers and business departments. 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