SQL User Defined Functions

Create a function creates a user-defined function. This can be written in C, PL1, Cobol, Assembler.

Create Function

CREATE FUNCTION DOCMATCH (VARCHAR(30), VARCHAR(255))
  RETURNS TABLE (DOC_ID CHAR(16), DOC_ABSTRACT VARCHAR(5000))
  EXTERNAL NAME 'DOCMTCH'
  LANGUAGE COBOL
  PARAMETER STYLE SQL
  READS SQL DATA
  DETERMINISTIC
  NO EXTERNAL ACTION
  FENCED
  SCRATCHPAD
  FINAL CALL
  DISALLOW PARALLEL
  CARDINALITY 20;