@online{huang2024structured,
  author       = {Huang, Xuanqiang Angelo},
  title        = {Structured Query Language},
  date         = {2024-12-20},
  organization = {Xuanqiang Angelo Huang's Blog},
  url          = {https://flecart.github.io/notes/structured-query-language/},
  langid       = {english},
  abstract     = {Little bits of history \# It was invented in 1970 in Almaden (San Jose) by IBM (Don Chamberlin, Raymond Boyce worked on this) for the first relational database, called system R. Then for copyright issues it hasn't been called SEQUEL, so they branded it as SQL. SQL is a declarative}
}