How can i create a string sql?

Question

hi.. i am newbie for oracle. I have an easy question.
I will create a dynamic sql.
Such as:
vName:='MYDIR';
path:='C:\ORACLE\';
sqlStr:='CREATE OR REPLACE DIRECTORY ' ||vName|| ' AS ' ||path||;
so the output of string must same :
CREATE OR REPLACE DIRECTORY MYDIR AS 'C:\ORACLE\';
the ' character must placed in string. How can i do this? With q'?
then, i must run this sql string. But how can i do this execute immediate?
thanx

Answer 1

An example :
SYS@db102 > set verify off
SYS@db102 > declare
  2     sqlStr  varchar2(100);
  3  begin
  4     sqlStr := 'create or replace directory '||&1||' as '||chr(39)||&2||chr(39);
  5     dbms_output.put_line(sqlStr);
  6     execute immediate sqlStr;
  7  end;
  8  /
Enter value for 1: 'mydir'
Enter value for 2: '/home/oracle/work'
create or replace directory mydir as '/home/oracle/work'
PL/SQL procedure successfully completed.
SYS@db102 >