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If you do not see a particular word or phrase that you would like to know the definition of, please let us know by writing to MaryJo.Nott@sourcemedia.com and indicate the term you would like us to add to the Glossary.
- Relational Database Management System.
- RDBMS Concurrence
- Overlapping, concurrent execution of code segments.
- Real Time
- Refers to the utmost level of timeliness regarding the use
- Real-Time Data
- Up-to-the-second, detailed data used to run the business
and accessed in read/write mode, usually through predefined
- Recovery Point Objective RPO)
- The intent to recover data up to a specific point in a transaction stream following a downtime event. Expresses the amount of data an organization may tolerate to lose.
- Recovery TIme Objective (RTO)
- The intent to recover lost applications, within specific time limitations, to assure a certain level of operational continuity. Expresses the amount of time a business will tolerate the computing system (hardware, software, services) to be offline.
- The storage of multiple copies of identical data.
- Redundancy Control
- Management of a distributed data environment to limit excessive copying, update, and transmission costs associated with multiple copies of the same data. Data replication is a strategy for redundancy control with the intention to improve performance.
- Reference Data
- Reference data is any kind of data that is used solely to categorize other data found in a database, or solely for relating data in a database to information beyond the boundaries of the enterprise.
- Refresh Technology
- A process of taking a snapshot from one environment and moving it to another environment overlaying old data with the new data each time.
- Regression Tree
- Regression tree approximate real-valued functions instead of being used for classification tasks. (e.g., estimate the price of a house or a patient's length of stay in a hospital).
- Regulatory Compliance
- The act of complying with government legislation and mandates requiring public companies to provide specific financial reporting and disclosure. Regulators include the SEC, tax authorities and banking authorities, such as the FDIC in the U.S. Various international versions of such mandates also are in place. There are three areas of compliance generally considered of greatest impact today. In the U.S., Sarbanes-Oxley strengthens rules regarding public audit, corporate responsibility, financial disclosures and brokerage practices, and specifies penalties for noncompliance. In Europe, IAS 2005 refers to the 15 countries in Europe moving to one accounting standard mandated by the International Accounting Standards Board, and adopted by the European Union. Basel II is focused specifically on global banks and financial institutions. Basel II ensures liquidity of those institutions for the protection of public trust.*
- Relational Database
- A collection of data items organized as a set of formally described tables from which data can be accessed or reassembled in many different ways without the need to reorganize the database tables.*
- Relational Database Management System (RDBMS )
- Database technology that was designed to support high volume transaction processing (OLTP) and is typically the foundation for a data warehouse.*
- A condition often related to computer hardware or subsystems whereby a single component (server, application, database, etc.) or group of components demonstrates the ability to perform its physical function.
- Remote Method Invocation (RMI)
- Remote method invocation is used for creating and or distributing Java objects.
- Replicated Data
- Data that is copied from a data source to one or more target environments based on replication rules. Replicated data can consist of full tables or rectangular extracts.
- An automated business process or related functionality that provides a detailed, formal account of relevant or requested information.*
- Repository Environment
- The Repository environment contains the complete set of a business's metadata. It is globally accessible As compared to a data dictionary, the repository environment not only contains an expanded set of metadata, but can be implemented across multiple hardware platforms and database management systems (DBMS).
- Return on Investment
- Describes the calculation of the financial return on a
business initiative that incurs some cost.
- Return On Investment (ROI)
- The time it takes improvements in revenue or cost savings directly related to a companys particular investment to exceed the total cost of that investment.*
- Radio frequency indentification tags are transponders, devices that upon receiving a radio signal transmit one of their own. Transponder technology was first developed during World War II as a means of identifying friendly aircraft. While their main function remains identification, they can also be used for detecting and locating objects as well as monitoring an objects condition and environment.
- Risk Management
- A risk is a potential problem. Managing the situation so
that minimum loss or damage will result if the risk
- Provides developers an implementation of the Java RMI API over the Object Management Group (OMG) standard Internet Inter-Orb-Protocol (IIOP). This allows developers to write remote interfaces between clients and servers.
- Return on Investment
- ROLAP (Relational OLAP)
- A product that provides multidimensional analysis of data,
aggregates and metadata stored in an RDBMS. The
multidimensional processing may be done within the RDBMS, a
mid-tier server or the client. A 'merchant' ROLAP is one
from an independent vendor which can work with any standard
- Roll Up Queries
- Queries that summarize data at a level higher than the previous level of detail.
- Rollback and undo mean essentially the same: To rollback or undo a transaction prior to a commit of that transaction. (RDB term)
- Rolling Forecast
- This is a term that describes a forecasting method that shifts planning away from historic budgeting and forecasting and moves it toward a continuous predictive modeling method. It requires access to relevant information from multiple data sources as well as business processes throughout the enterprise. Rolling forecasts can be updated continuously throughout the year thus potentially improving accountability.*
- Remote Procedure Call.
* definition provided by Hyperion.