relational transaction
1Transaction processing — For other uses, see Transaction (disambiguation). In computer science, transaction processing is information processing that is divided into individual, indivisible operations, called transactions. Each transaction must succeed or fail as a… …
2Transaction log — Binary log redirects here. For logarithms in base 2, see Binary logarithm. In the field of databases in computer science, a transaction log (also database log or binary log) is a history of actions executed by a database management system to… …
3Transaction processing system — A Transaction Processing System To be considered a transaction processing system the computer must pass the ACID test.From a technical perspective, a Transaction Processing System (or Transaction Processing Monitor) monitors transaction programs …
4Relational database — A visual diagram showing the relationship between the two tables, as indicated by the arrow A relational database matches data by using common characteristics found within the data set. The resulting groups of data uses the relational model (a… …
5Relational algebra — Not to be confused with Relation algebra. Relational algebra, an offshoot of first order logic (and of algebra of sets), deals with a set of finitary relations (see also relation (database)) that is closed under certain operators. These operators …
6Relational model — The relational model for database management is a database model based on first order predicate logic, first formulated and proposed in 1969 by Edgar Codd. [ Derivability, Redundancy, and Consistency of Relations Stored in Large Data Banks , E.F …
7Transaction cost — In economics and related disciplines, a transaction cost is a cost incurred in making an economic exchange. For example, most people, when buying or selling a stock, must pay a commission to their broker; that commission is a transaction cost of… …
8transaction — transactional, adj. transactionally, adv. /tran sak sheuhn, zak /, n. 1. the act of transacting or the fact of being transacted. 2. an instance or process of transacting something. 3. something that is transacted, esp. a business agreement. 4.… …
9transaction — trans•ac•tion [[t]trænˈsæk ʃən, ˈzæk [/t]] n. 1) the act or process of transacting; the fact of being transacted 2) something that is transacted, esp. a business agreement 3) transactions, the published record of the proceedings at a meeting of a …
10Database transaction — A transaction comprises a unit of work performed within a database management system (or similar system) against a database, and treated in a coherent and reliable way independent of other transactions. Transactions in a database environment have …
