Search All Fields In All Tables For A Specific Value (Oracle)

Question

Is it possible to search every field of every table for a particular value in Oracle?

There are hundreds of tables with thousands of rows in some tables so I know th

Answer 1

--it run completed -- no error

    SET SERVEROUTPUT ON SIZE 100000

DECLARE
   v_match_count     INTEGER;
   v_counter         INTEGER;




v_owner           VARCHAR2 (255) := 'VASOA';
v_search_string   VARCHAR2 (4000) := '99999';
v_data_type       VARCHAR2 (255) := 'CHAR';
v_sql             CLOB := '';

BEGIN
   FOR cur_tables
      IN (  SELECT owner, table_name
              FROM all_tables
             WHERE     owner = v_owner
                   AND table_name IN (SELECT table_name
                                        FROM all_tab_columns
                                       WHERE     owner = all_tables.owner
                                             AND data_type LIKE
                                                       '%'
                                                    || UPPER (v_data_type)
                                                    || '%')
          ORDER BY table_name)
   LOOP
      v_counter := 0;
      v_sql := '';

      FOR cur_columns
         IN (SELECT column_name, table_name
               FROM all_tab_columns
              WHERE     owner = v_owner
                    AND table_name = cur_tables.table_name
                    AND data_type LIKE '%' || UPPER (v_data_type) || '%')
      LOOP
         IF v_counter > 0
         THEN
            v_sql := v_sql || ' or ';
         END IF;

         IF cur_columns.column_name is not null
         THEN
            v_sql :=
                  v_sql
               || 'upper('
               || cur_columns.column_name
               || ') ='''
               || UPPER (v_search_string)||'''';

            v_counter := v_counter + 1;
         END IF;

      END LOOP;

      IF v_sql is  null
      THEN
         v_sql :=
               'select count(*) from '
            || v_owner
            || '.'
            || cur_tables.table_name;

      END IF;

      IF v_sql is not null
      THEN
         v_sql :=
               'select count(*) from '
            || v_owner
            || '.'
            || cur_tables.table_name
            || ' where '
            || v_sql;
      END IF;

      --v_sql := 'select count(*) from ' ||v_owner||'.'|| cur_tables.table_name ||' where '||  v_sql;


      --dbms_output.put_line(v_sql);
      --DBMS_OUTPUT.put_line (v_sql);

      EXECUTE IMMEDIATE v_sql INTO v_match_count;

      IF v_match_count > 0
      THEN
        DBMS_OUTPUT.put_line (v_sql);
        dbms_output.put_line('Match in ' || cur_tables.owner || ': ' || cur_tables.table_name || ' - ' || v_match_count || ' records');
      END IF;

   END LOOP;
EXCEPTION
   WHEN OTHERS
   THEN
      DBMS_OUTPUT.put_line (
            'Error when executing the following: '
         || DBMS_LOB.SUBSTR (v_sql, 32600));
END;
/