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  2. PostgreSQL - Wikipedia

    en.wikipedia.org/wiki/PostgreSQL

    PostgreSQL can be expected to work on any of the following instruction set architectures (and operating systems): 64-bit x86-64 and 32-bit x86 on Windows and other operating systems; these are supported on other than Windows: 64-bit ARM [93] and the older 32-bit ARM, including older such as ARMv6 in Raspberry Pi [94]), RISC-V, z/Architecture, S ...

  3. Comparison of relational database management systems - Wikipedia

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

    Download QR code; Print/export ... (16-bit), INT (32-bit), BIGINT (64-bit), NUMERIC (64-bit) REAL ... PostgreSQL fully supports schemas and multi-tenancy by strictly ...

  4. PostGIS - Wikipedia

    en.wikipedia.org/wiki/PostGIS

    PostGIS (/ ˈ p oʊ s t dʒ ɪ s / POST-jis) is an open source software program that adds support for geographic objects to the PostgreSQL object-relational database. PostGIS follows the Simple Features for SQL specification from the Open Geospatial Consortium (OGC). PostGIS is implemented as a PostgreSQL external extension. [2]

  5. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    The modem allowed digital data to be transmitted over regular unconditioned telephone lines at a speed of 110 bits per second (bit/s). In 1959, Christopher Strachey filed a patent application for time-sharing in the United Kingdom and John McCarthy initiated the first project to implement time-sharing of user programs at MIT.

  6. Ubuntu - Wikipedia

    en.wikipedia.org/wiki/Ubuntu

    Ubuntu (/ ʊ ˈ b ʊ n t uː / ⓘ uu-BUUN-too) [9] is a Linux distribution derived from Debian and composed mostly of free and open-source software. [10] [11] [12] Ubuntu is officially released in multiple editions: Desktop, [13] Server, [14] and Core [15] for Internet of things devices [16] and robots.

  7. Hard disk drive - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive

    When using the C/H/S method to describe modern large drives, the number of heads is often set to 64, although a typical modern hard disk drive has between one and four platters. In modern HDDs, spare capacity for defect management is not included in the published capacity; however, in many early HDDs, a certain number of sectors were reserved ...