oracle 如何搜索当前用户下所有表里含某个值的字段？(转)

oracle 如何搜索当前用户下所有表里含某个值的字段？

create or replace procedure MY_Pro_SearchKeyWord is
  v_sql VARCHAR2(4000);
  v_tb_column VARCHAR2(4000);
  v_cnt NUMBER(18,0);
  cursor cur is SELECT 'SELECT '''||'"'||t1.table_name||'"."'||t1.Column_Name||'"'||''''||' as col_name, NVL(COUNT(t."'||t1.Column_Name||'"),0) as cnt FROM "'||
         t1.table_name||'" t WHERE t."'||t1.column_name||'" like ''%关键字%''' AS str
    FROM cols t1 left join user_col_comments t2
      on t1.Table_name=t2.Table_name and t1.Column_Name=t2.Column_Name
    left join user_tab_comments t3
      on t1.Table_name=t3.Table_name
   WHERE NOT EXISTS ( SELECT t4.Object_Name FROM User_objects t4
               WHERE t4.Object_Type='TABLE'
                 AND t4.Temporary='Y'
                 AND t4.Object_Name=t1.Table_Name )
     AND (t1.Data_Type='CHAR' or t1.Data_Type='VARCHAR2' or t1.Data_Type='VARCHAR')
   ORDER BY t1.Table_Name, t1.Column_ID;

BEGIN
  FOR i IN cur LOOP
    v_sql := i.str; -- 获取将要执行的SQL语句；
    EXECUTE IMMEDIATE v_sql INTO v_tb_COLUMN, v_cnt;
    IF v_cnt > 0 THEN
      dbms_output.put_line(' 表：'||substr(v_tb_column,1,instr(v_tb_column,'.',1,1)-1)||' 列：'||substr(v_tb_column,instr(v_tb_column,'.',1,1)+1)||
                           '有 '||to_char(v_cnt)|| '条记录含有字串"关键字" ');
    END IF;
  END LOOP;
EXCEPTION WHEN OTHERS THEN
BEGIN
  dbms_output.put_line(v_sql);
  dbms_output.put_line(v_tb_column);
END;
end MY_Pro_SearchKeyWord;

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