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  2. Comparison of relational database management systems - Wikipedia

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

    Note (3): "For other than InnoDB storage engines, MySQL Server parses and ignores the FOREIGN KEY and REFERENCES syntax in CREATE TABLE statements. The CHECK clause is parsed but ignored by all storage engines." [73] Note (4): Support for Unicode is new in version 10.0. Note (5): MySQL provides GUI interface through MySQL Workbench.

  3. Database normalization - Wikipedia

    en.wikipedia.org/wiki/Database_normalization

    This convention is technically a constraint but it is neither a domain constraint nor a key constraint; therefore we cannot rely on domain constraints and key constraints to keep the data integrity. In other words – nothing prevents us from putting, for example, "Thick" for a book with only 50 pages – and this makes the table violate DKNF.

  4. Oracle Corporation - Wikipedia

    en.wikipedia.org/wiki/Oracle_Corporation

    Oracle Corporation is an American multinational computer technology company headquartered in Austin, Texas. [5] Co-founded in 1977 by Larry Ellison, who remains executive chairman, Oracle was the third-largest software company in the world in 2020 by revenue and market capitalization. [6]

  5. CentOS - Wikipedia

    en.wikipedia.org/wiki/CentOS

    CentOS (/ ˈ s ɛ n t ɒ s /, from Community Enterprise Operating System; also known as CentOS Linux) [5] [6] is a discontinued Linux distribution that provided a free and open-source community-supported computing platform, functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL).

  6. Francis Scott Key Bridge collapse - Wikipedia

    en.wikipedia.org/wiki/Francis_Scott_Key_Bridge...

    On March 26, 2024, at 1:28 a.m. EDT (05:28 UTC), the main spans and the three nearest northeast approach spans of the Francis Scott Key Bridge across the Patapsco River in the Baltimore metropolitan area of Maryland, United States, collapsed after the container ship Dali struck one of its piers. Six members of a maintenance crew working on the ...

  7. List of Christian denominations - Wikipedia

    en.wikipedia.org/wiki/List_of_Christian...

    A Christian denomination is a distinct religious body within Christianity, identified by traits such as a name, organization and doctrine.Individual bodies, however, may use alternative terms to describe themselves, such as church, convention, communion, assembly, house, union, network, or sometimes fellowship.

  8. HK 4.6×30mm - Wikipedia

    en.wikipedia.org/wiki/HK_4.6×30mm

    The 4.6×30mm (designated as the 4,6 × 30 by the C.I.P.) [6] cartridge is a small-caliber, high-velocity, smokeless powder, rebated, bottleneck, centerfire cartridge designed for personal defense weapons (PDW) developed by German armament manufacturer Heckler & Koch (HK) in 1999.

  9. List of countries by tax rates - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_tax_rates

    Map of the world showing national-level sales tax / VAT rates as of October 2019. A comparison of tax rates by countries is difficult and somewhat subjective, as tax laws in most countries are extremely complex and the tax burden falls differently on different groups in each country and sub-national unit.