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  2. PostgreSQL - Wikipedia

    en.wikipedia.org/wiki/PostgreSQL

    PostgreSQL claims high, but not complete, conformance with the latest SQL standard ("as of the version 17 release in September 2024, PostgreSQL conforms to at least 170 of the 177 mandatory features for SQL:2023 Core conformance", and no other databases fully conformed to it [79]). One exception is the handling of unquoted identifiers like ...

  3. Ingres (database) - Wikipedia

    en.wikipedia.org/wiki/Ingres_(database)

    Ingres Database (/ ɪ ŋ ˈ ɡ r ɛ s / ing-GRESS) is a proprietary SQL relational database management system intended to support large commercial and government applications.. Actian Corporation controls the development of Ingres and makes certified binaries available for download, as well as providing worldwide support.

  4. Block Range Index - Wikipedia

    en.wikipedia.org/wiki/Block_Range_Index

    So far PostgreSQL is the only vendor to have announced a live product with this specific feature, in PostgreSQL 9.5. [ 3 ] [ 4 ] Other vendors have described some similar features, [ 2 ] including Oracle , [ 5 ] [ 6 ] Netezza 'zone maps', [ 7 ] Infobright 'data packs', [ 8 ] MonetDB [ 9 ] and Apache Hive with ORC/Parquet.

  5. PL/pgSQL - Wikipedia

    en.wikipedia.org/wiki/PL/pgSQL

    PL/pgSQL (Procedural Language/PostgreSQL) is a procedural programming language supported by the PostgreSQL ORDBMS. It closely resembles Oracle 's PL/SQL language. Implemented by Jan Wieck, PL/pgSQL first appeared with PostgreSQL 6.4, released on October 30, 1998. [ 1 ]

  6. Comparison of relational database management systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_relational...

    First public release date Latest stable version Latest release date License Public issues list 4D (4th Dimension) 4D S.A.S. 1984 v16.0 2017-01-10 [1] Proprietary: No ADABAS: Software AG: 1970 8.1 2013-06 Proprietary: No Adaptive Server Enterprise: SAP AG: 1987 16.0 SP03 PL07 2019-06-10 Proprietary: No Advantage Database Server (ADS) SAP AG ...

  7. Postgres-XL - Wikipedia

    en.wikipedia.org/wiki/Postgres-XL

    Postgres-XL is based on Postgres-XC, an earlier distributed PostgreSQL system developed by NTT Data and EnterpriseDB. [4] In 2012, the cloud database startup StormDB [ 5 ] adopted Postgres-XC and developed some proprietary extensions and improvements to it. [ 6 ]

  8. Amazon Redshift - Wikipedia

    en.wikipedia.org/wiki/Amazon_Redshift

    [4] Amazon Redshift is based on an older version of PostgreSQL 8.0.2, and Redshift has made changes to that version. [5] [6] An initial preview beta was released in November 2012 [7] and a full release was made available on February 15, 2013.

  9. PL/SQL - Wikipedia

    en.wikipedia.org/wiki/PL/SQL

    There is no DATETIME type. And there is a TIME type. But there is no TIMESTAMP type that can contain fine-grained timestamp up to millisecond or nanosecond. The TO_DATE function can be used to convert strings to date values. The function converts the first quoted string into a date, using as a definition the second quoted string, for example: