Parsing PL/SQL code to check against syntax and semantic errors

Question

Please consider following scenario:

• I have a Text-Area and a Button on UI.
• User will enter a PL/SQL block in

Answer 1

SQL> explain plan for select from dual;
explain plan for select from dual
                        *
ERROR at line 1:
ORA-00936: missing expression


SQL> explain plan for select * from dual;

Explained.

or

declare
  c integer := dbms_sql.open_cursor();
begin
 dbms_sql.parse(c, 'select * emp', dbms_sql.native);
 dbms_sql.close_cursor(c);
end;
/
Error at line 1
ORA-00923: FROM keyword not found where expected
ORA-06512: at "SYS.DBMS_SQL", line 1053
ORA-06512: at line 4

or hit http://www.softpedia.com/get/Internet/Servers/Database-Utils/EasySQL-Checker-for-Oracle.shtml