System Packages Oracle PLSQL

SQL>
SQL> CREATE OR REPLACE PROCEDURE CreateDynamicTables(
  2    p_Method IN VARCHAR2)
  3    AUTHID CURRENT_USER AS
  4    v_CreateString1 VARCHAR2(100) :=
  5      'CREATE TABLE dbms_sql_table (f1 NUMBER)';
  6    v_CreateString2 VARCHAR2(100) :=
  7      'CREATE TABLE native_table (f1 NUMBER)';
  8    v_Dummy INTEGER;
  9    v_CursorID INTEGER;
 10  BEGIN
 11    IF p_Method = 'DBMS_SQL' THEN
 12      v_CursorID := DBMS_SQL.OPEN_CURSOR;
 13      DBMS_SQL.PARSE(v_CursorID, v_CreateString1, DBMS_SQL.NATIVE);
 14      DBMS_SQL.CLOSE_CURSOR(v_CursorID);
 15    ELSE
 16      EXECUTE IMMEDIATE v_CreateString2;
 17    END IF;
 18  END CreateDynamicTables;
 19  /
Procedure created.
SQL>
SQL> exec CreateDynamicTables('DBMS_SQL')
PL/SQL procedure successfully completed.
SQL> exec CreateDynamicTables('native')
PL/SQL procedure successfully completed.
SQL>
SQL> desc dbms_sql_table
 Name                                                                                                                                    Null?    Type
 ----------------------------------------------------------------------------------------------------------------------------------------------- -------- ------------------------------------------------------------------------------------------------
 F1                                                                                                                                               NUMBER
SQL> desc native_table
 Name                                                                                                                                    Null?    Type
 ----------------------------------------------------------------------------------------------------------------------------------------------- -------- ------------------------------------------------------------------------------------------------
 F1                                                                                                                                               NUMBER
SQL>
SQL> DROP TABLE dbms_sql_table;
Table dropped.
SQL> DROP TABLE native_table;
Table dropped.
SQL>