Read-only deal – A Multi-Version Concurrency Control (MVCC) feature that enables database information become read by one procedure without blocking another process’s modification of this exact same information. Usually called a “snapshot.”
Real-time – a environment that is real-time one for which particular tasks needs to be going to perform in just a specified time interval. For a DBMS to be looked at truly real-time, it should be in a position to perform certain database-related tasks in an occasion which can be deterministically demonstratedвЂ”i.e., the case execution time that is worst may be demonstrated. Just because a general-purpose DBMS relates to dynamic data where the sizes of tables differ in the long run, and since DBMS reaction times be determined by the total amount of information become prepared they can’t be viewed real-time. That is true also for RDM. It really is real-time friendly, since it is date me app for android fast, has a tiny footprint and contains features (such as for instance digital tables and in-memory storage) that enable that it is found in useful methods in a real-time application.
Record Instance/Occurrence – One group of associated information industry values connected with a certain record typeвЂ”equivalent to an SQL row.
Record Type – an accumulation closely associated data fieldsвЂ”equivalent to an SQL table. Just like a C struct, accurate documentation type is defined by a collection of closely associated information areas.
Referential Integrity – a disorder where the international key column values in every associated with the rows in a single table have actually matching rows within the referenced primary table that is key. Continue reading “RDM Server – Raima’s client/server DBMS originally released in 1993, known as RDS (Raima Database Server), Velocis, and lastly RDM Server. Nevertheless supported for current clients.”