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Computerized Management Systems

What is Online Transaction Processing (OLTP)

1.It refers to a class of systems that facilitate and manage transaction-oriented applications, typically for data entry and retrieval transaction processing . Learn more in: Adapting Big Data Ecosystem for Landscape of Real World Applications2.A methodology for representing, managing, and querying DB data generated by user/application transactions according to flat (e.g., relational) schemes. Learn more in: Models and Techniques for Approximate Queries in OLAP3.Transactions are Basic business operations such as customer orders, purchase orders, receipts, time cards, invoices, and payroll checks in an organization. Transaction processing systems (TPS) perform routine operations and serve as a foundation for other systems. Online transaction processing (OLTP) is a computerized processing system whereby each transaction is processed immediately, without the delay of accumulating transactions into a batch and the affected records are updated accordingly. The OLTP: 1) Holds Current Data; 2) Store Detail of data; 3) Dynamically change data by operation such as Insert, Update and Delete for repetitive processing and high level of transaction; and 4) Support day to day decision making. The earliest OLAP systems used multidimensional arrays in memory to store data cubes and are known as multidimensional OLAP (MOLAP) systems. OLAP implementations using only relational database features are called relational OLAP (ROLAP) systems. Hybrid systems, which store some summaries in memory and store the base data and other summaries in a relational database, are called hybrid OLAP (HOLAP) systems. Learn more in: Significance of In-Memory Computing for Real-Time Big Data Analytics4.A methodology for representing, managing and querying DB data generated by user/application transactions according to flat (e.g., relational) schemes. Learn more in: Histogram-Based Compression of Databases and Data Cubes5.Handles real-time transactions which inherently have some special requirements. Learn more in: Data Warehouse Software6.A database designed to support transactional processingLearn more in: Organizational Data Warehousing7.It refers to a class of systems that facilitate and manage transaction-oriented applications, typically for data entry and retrieval transaction processingLearn more in: Emergence of NoSQL Platforms for Big Data Needs8.OLTP is a database designed to support transactional processingLearn more in: Data Warehousing for Decision Support