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structured english query language造句

"structured english query language"是什么意思   

例句與造句

  1. This version, initially called " SEQUEL " ( " Structured English Query Language " ), was designed to manipulate and retrieve data stored in IBM's original quasi-relational database management system, UK-based Hawker Siddeley aircraft company.
  2. At the time IBM didn't believe in the potential of Codd's ideas, leaving the implementation to a group of programmers not under Codd's supervision, who violated several fundamentals of Codd's relational model; the result was Structured English QUEry Language or SEQUEL . When IBM released its first relational database product, they wanted to have a commercial-quality sublanguage as well, so it overhauled SEQUEL and renamed the basically new language Structured Query Language ( SQL ) to differentiate it from SEQUEL . The acronym SEQUEL was changed to SQL because " SEQUEL " was a trademark of the UK-based Hawker Siddeley aircraft company.
  3. It's difficult to find structured english query language in a sentence. 用structured english query language造句挺難的

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