This is my thesis. To write this work, I travelled through Europe to get materials (books, publications, interviews, etc.). I visited libraries in England, Sweden and many cities in Poland.Descrição completa
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Document Scope: - This document describes the functions of the SoMachine TeSys Library. Validity Note: - This document has been updated with the release of SoMachine V4.0.
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--SIMPLE FUNCTION create or replace function f1 (a varchar2) return varchar2 is begin return a; end; --FOUR WAYS OF EXECUTING A FUNCTION --ANONYMOUS BLOCK declare a varchar2(20); begin a:=f1('welcome salai'); dbms_output.put_line(a); end; --USING BIND VARIABLE variable a varchar2(20); begin :a:=f1('welcome salai'); end; print a; --uSING EXECUTE execute dbms_output.put_line(f1('welcome salai')); --USING SELECT select f1('welcome salai') from dual;
--FUNCTION WITH PARAMETER create or replace function f2(a number) return varchar2 is begin if mod(a,2)=0 then return 'even number'; else return 'odd number'; end if; end; select f2(32) from dual;
--ADDITION WITHOUT PARAMETERS create or replace function f1 return number is a number :=10; b number :=28; c number; begin c:=a+b; return c; end; select f1 from dual;
--ADDITION WITH PARAMETERS
create or replace function f1 (a number,b number) return number is c number; begin c:=a+b; return c; dbms_output.put_line(c); end; select f1(10,459) from dual;
--FUNCTION WITH OUT PARAMETERS create or replace function f1(fempno number,fname out varchar2,fjob out varchar2 ) return varchar2 is begin select ename,job into fname,fjob from emp where empno=fempno; return fname; end; variable a varchar2(20); variable b varchar2(20); variable c varchar2(20); begin :a:=f1(7788,:b,:c); end;