Код:
DECLARE
match_count INTEGER;
v_search_string VARCHAR2(4000) := <<string you want TO search for>>;
BEGIN
FOR t IN (SELECT owner,
table_name,
column_name
FROM all_tab_columns
WHERE data_type IN ('CHAR', 'VARCHAR2', 'NCHAR', 'NVARCHAR2',
'CLOB', 'NCLOB') )
LOOP
BEGIN
EXECUTE IMMEDIATE
'SELECT COUNT(*) FROM '||t.owner || '.' || t.table_name||
' WHERE '||t.column_name||' = :1'
INTO match_count
USING v_search_string;
IF match_count > 0 THEN
dbms_output.put_line( t.owner || '.' || t.table_name ||' '||t.column_name||' '||match_count );
END IF;
EXCEPTION
WHEN OTHERS THEN
dbms_output.put_line( 'Error encountered trying to read ' ||
t.column_name || ' from ' ||
t.owner || '.' || t.table_name );
END;
END LOOP;
END;
/