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Database Management Library (DBL) is a relational database management system (RDBMS) contained in a C++ programming library. The DBL source code is available under the terms of the GNU General Public License. DBL was fully developed within two weeks, as a holiday programming project. It aims to be easy and simple to use for C++ programming.
A relational database (RDB [1]) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. [ 2 ] A Relational Database Management System (RDBMS) is a type of database management system that stores data in a structured format using rows and columns .
C/C++, Python, R, Java, Go, Rust, Node.js, Wasm, ODBC, ADBC, and more [2] Open source (MIT License) DuckDB is an in-process database system designed for high performance for analytical query workloads offers client APIs for a wide range of languages. Exasol: Exasol AG 2000 JDBC, ODBC, ADO.NET, Python, SQL, R, Go, Rest API [3] Proprietary
4D (4th Dimension, or Silver Surfer, as it was known during early development) is a relational database management system and integrated development environment developed by Laurent Ribardière. [ 3 ] 4D was created in 1984 [ 4 ] and had a slightly delayed public release for Macintosh in 1987 [ 5 ] [ 6 ] [ 7 ] with its own programming language .
RAMIS ("Random Access Management Information System") is a fourth-generation programming language (4GL) capable of creating and maintaining databases consisting of named files containing both numeric and alphabetic fields and subsequently producing detailed simple or complex reports using a very simple English like language.
[5] [6] A relational database definition (database schema, sometimes referred to as a relational schema) can thus be thought of as a collection of named relation schemas. [7] [8] In implementations, the domain of each attribute is effectively a data type [9] and a named relation schema is effectively a relation variable (relvar for short).
Berkeley DB, the C database library that is the subject of this article; Berkeley DB Java Edition, [15] a pure Java library whose design is modelled after the C library but is otherwise unrelated; Berkeley DB XML, [16] a C++ program that supports XQuery, and which includes a legacy version of the C database library
The nested set model is a technique for representing nested set collections (also known as trees or hierarchies) in relational databases.. It is based on Nested Intervals, that "are immune to hierarchy reorganization problem, and allow answering ancestor path hierarchical queries algorithmically — without accessing the stored hierarchy relation".