PLSQL的 dynamic sql小例子

开始

SET serveroutput ON;



DECLARE

  p_tab_name varchar2(20);

  cursor_name INTEGER;

  p_rows_del INTEGER;

BEGIN

   p_tab_name := 'EMP_CPY';



   cursor_name := DBMS_SQL.OPEN_CURSOR;



   DBMS_SQL.PARSE(cursor_name, 'DELETE FROM '||p_tab_name, DBMS_SQL.NATIVE);

   

   DBMS_OUTPUT.PUT_LINE('p_tab_name:'|| p_tab_name);



   p_rows_del := DBMS_SQL.EXECUTE (cursor_name);



   DBMS_SQL.CLOSE_CURSOR(cursor_name);



EXCEPTION

   WHEN OTHERS THEN

      DBMS_OUTPUT.PUT_LINE(SUBSTR(SQLERRM,1,100));

END;

结束