HELP! * BLUE=global GREY=local Global HTML version of Foils prepared July 23,1995

Foil 46 What is PL/SQL -- III?

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
3. Embedded SQL in C (or f77,Cobol) --- programming language interfaces
  • Procedural high-level programming langauges (often called 3GL).
  • All capability and flexibility in C-level programming as a host language to embed the SQL statement as the data-access for querying the database engine.
  • Poweful in programming but complex sematics and inconvenient interface to SQL.
  • Usually you need to know many programming/libary details to interface the both in programming.
  • Good for pre-/post-processing to the query but bad for query programming.
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