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Foil 45 What is PL/SQL -- II?

From Full Relational Database HPDC-4 Presentation HPDC-4 Tutorial/CPS616 Spring95 -- August 1, Pentagon City Virginia. by Gang Cheng Marek Podgorny (Geoffrey Fox) * See also color IMAGE

2. Middle-level --- PL/SQL
  • fill the gap between the highest SQL level and lowest C level programming.
  • It is basically a procedual implementation of SQL access.
  • Pure SQL is a subset of PL/SQL where more C-like constructs are introduced
  • Such as block-structure,control statments, variables,module,interface specification,functions, etc).
  • But it doesnt have the rich data-types and low-level operators as in C such as
  • Structure(record),enumeration,array, pointer(reference), and set datatypes, and bitwise-operator,I/O and file handling.


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