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PostgreSQL (/ ˈ p oʊ s t ɡ r ɛ s ˌ k juː ˈ ɛ l /, POHST-gres kyoo el), also known as Postgres, is a free and open-source relational database management system (RDBMS) emphasizing extensibility and SQL compliance.
AQL, HTTP, Java, JavaScript, PHP, Go, Scala, .Net, Python, Ruby. Open Source (Apache License. Version 2.0) ArangoDB is a transactional native multi-model database supporting two major NoSQL data models (graph and document [1]) with one query language. Written in C++ and optimized for in-memory computing.
www.squirrelsql.org. The SQuirreL SQL Client is a database administration tool. It uses JDBC to allow users to explore and interact with databases via a JDBC driver. It provides an editor that offers code completion and syntax highlighting for standard SQL. It also provides a plugin architecture that allows plugin writers to modify much of the ...
Cursor (databases) In computer science, a database cursor is a mechanism that enables traversal over the records in a database. Cursors facilitate subsequent processing in conjunction with the traversal, such as retrieval, addition and removal of database records. The database cursor characteristic of traversal makes cursors akin to the ...
A relational database (RDB) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. A database management system used to maintain relational databases is a relational database management system ( RDBMS ).
Website. www .firebirdsql .org. Firebird is an open-source SQL relational database management system that supports Linux, Microsoft Windows, macOS and other Unix platforms. [2] The database forked from Borland 's open source edition of InterBase in 2000 but the code has been largely rewritten since Firebird 1.5.
Database Workbench can be used to view, create and edit tables, indexes, stored procedures and other database meta data objects. It also supports: [19] visual database design/diagramming, both conceptual and physical, including reverse engineering. testing SQL queries and viewing query plans. step-by-step debugging of stored routines.
Spark SQL provides a domain-specific language (DSL) to manipulate DataFrames in Scala, Java, Python or .NET. It also provides SQL language support, with command-line interfaces and ODBC/JDBC server. Although DataFrames lack the compile-time type-checking afforded by RDDs, as of Spark 2.0, the strongly typed DataSet is fully supported by Spark ...
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