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relational | A относительный, реля- ционный concept |
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relational data modeler; |
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relational data system |
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relational database | - A relational database is a collection of data items organised as a set of tables from which data can be accessed or reassembled in many different ways without having to reorganise the database tables. the standard user and application program interface to
- A database or database management system that stores information in tables.
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relational database management system | - Система управления реляционными базами данных
- A database system that organizes data into related rows and columns as specified by a relational model.
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relational document manager |
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relational expression | An expression that uses a relational operator such as < or > to compare two or more expressions. a relational expression resolves to a boolean (true/false) value. see also boolean, relational operator. |
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relational graphs | See: constraint satisfaction, semantic nets. relational online analytic processing (rolap) relational online analytic processing is the use of standard relational database structures for online analytic processing (olap) and data mining. this can sacrifice the performance of an mddb for limited development costs. see also: data mining, online analytic processing. |
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relational indexing; |
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relational model | The logical model used to define the tables, columns, and constraints in a relational database. |
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relational olap | A storage mode that uses tables in a relational database to store multidimensional structures. |
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relational on-line analytical processing |
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relational operator | An operator that allows the programmer to compare two (or more) values or expressions. typical relational operators are greater than (>), equal to (=), less than (<), not equal to (<>), greater than or equal to (>=), and less than or equal to (<=). |
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relational query by example | Реляционный запрос по образцу |
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relational structure | The record organization used in the implementation of a relational model. |
