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It was first used in DB2 2.3. DRDA was designed by a work group within IBM in the period 1988 to 1994. The messages, protocols, and structural components of DRDA are defined by the Distributed Data Management Architecture .
Reserved words in SQL and related products In SQL:2023 [3] In IBM Db2 13 [4] In Mimer SQL 11.0 [5] In MySQL 8.0 [6] In Oracle Database 23c [7] In PostgreSQL 16 [1] In Microsoft SQL Server 2022 [2]
PostgreSQL, MySQL and Oracle support natural joins; Microsoft T-SQL and IBM DB2 do not. The columns used in the join are implicit so the join code does not show which columns are expected, and a change in column names may change the results. In the SQL:2011 standard, natural joins are part of the optional F401, "Extended joined table", package.
Name Developer Availability Client Interface License Description/Notes Aerospike DBS: Aerospike Company: 2012 Java, C#, C, Python, Go, Node.js, Perl, libevent, PHP ...
IBM Db2 Community Edition is a free-to-download, free-to-use edition of the IBM Db2 database, which has both XML database and relational database management system features. Version 11.5 provides all core capabilities of Db2 but is limited to 4 virtual processor cores, 16 GB of instance memory, has no enterprise-level support, and no fix packs ...
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DB2 and Federated Databases; Issues of where to perform the join aka "pushdown" and other performance characteristics; Worked example federating Oracle, Informix, DB2, and Excel; Freitas, André, Edward Curry, João Gabriel Oliveira, and Sean O’Riain. 2012. “Querying Heterogeneous Datasets on the Linked Data Web: Challenges, Approaches, and ...