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.

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.

Read-only deal – A Multi-Version Concurrency Control (MVCC) feature that allows database information become read by one process without blocking another procedure’s modification of the data that are same. Often known as a “snapshot.”

Real-time – A real-time environment is one by which particular tasks should be going to perform in just a specified time period. For the DBMS to be looked at undoubtedly real-time, it should be in a position to perform specific database-related tasks in a period that may be deterministically demonstrated—i.e., the case execution time that is worst could be demonstrated. Must be general-purpose DBMS relates to dynamic information when the sizes of tables differ with time, and Green dating app because DBMS reaction times be determined by the quantity of information become prepared they can’t be looked at real-time. This really is real additionally for RDM. It really is real-time friendly, since it is fast, has a tiny impact and contains features (such as for instance digital tables and in-memory storage space) that allow it to be found in useful means in a real-time application.

Record Instance/Occurrence – One group of associated information field values related to a record that is specific to an SQL row.

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Record Type – an accumulation closely associated information fields—equivalent to an SQL table. Comparable to a C struct, an archive kind is defined by a couple of closely associated information industries.

Referential Integrity – a disorder when the international key column values in every regarding the rows in a single dining table have actually matching rows into the referenced primary table that is key. Referential integrity is maintained by SQL through the processing of an INSERT and DELETE declaration and any UPDATE statement that modifies an international or primary value that is key.

Relational Model – A database by which inter-table relationships are arranged mainly through typical information columns, which define a one-to-many relationship between a row for the primary key dining dining table plus one or even more rows associated with the matching international table that is key. Equi-joins relate tables which have matching primary/foreign values that are key but other evaluations (relationships) might be defined. Along with explaining the way the database tables are associated, the relational model additionally describes just exactly how a associated data may be accessed and manipulated. SQL is considered the most widely used model database language that is relational. See Wikipedia

Remote Procedure Phone – an approach of interprocess interaction where a function living within another procedure is named as if it really is a nearby (in-process) function. The strategy is implemented through an area proxy function and a stub function that is remote. Parameter values are marshalled into a block of information that may be transmitted through the proxy into the stub for demarshalling and calling the function that is actual. Return values are prepared when you look at the way that is same input values.

Replication – a procedure where chosen changes in a master database is replicated re-played that is( into another database.

Regulation Factor – Each expression that is relational when you look at the WHEREIN clause of a query has an associated limitation component that is calculated by the SQL optimizer, which specifies the small small small fraction (or portion) associated with the dining dining table which is why the phrase should be real. As an example, when you look at the query choose * from book where bookid = ‘austen013px’ the relational expression bookid = ‘austen013px’ features a limitation element corresponding to .003 (only 1 away from 3213px rows will satisfy this phrase).

Result Set – the entire group of rows that is came back by A select that is particular statement.

Rollback – a procedure, often done because of the SQL ROLLBACK statement, that discards all the noticeable modifications produced by all INSERT, IMPROVE and DELETE statements which were executed because the most recently started deal ( ag e.g., BEGIN DEAL statement).

Line – One group of relevant values for many regarding the columns declared in a offered dining dining table. Also called accurate documentation event.

Royalty – A License cost established in an Agreement (Product and Pricing Addendum).

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