O'Reilly logo
  • Ryan Hoffman thinks this is interesting:

SQL is a special-purpose language used to define, access, and manipulate data. SQL is nonprocedural, meaning that it describes the necessary components (i.e., tables) and desired results without dictating exactly how those results should be computed. Every SQL implementation sits atop a database engine , whose job it is to interpret SQL statements and determine how the various data structures in the database should be accessed to accurately ...


Cover of Mastering Oracle SQL, 2nd Edition