REM cli_cdb_missing_pk_uk.sql 2021-04-11

REM CDB list of tables without a PK/UK constraint

REM Enables PX on Standby and disables PX on RW Primary (fast on 19c Standby, slow otherwise)

REM Be aware of ORA-00600 [kcbgtcr_17] 28208552 25444575 on Standby. WO: alter session set events '10200 trace name context forever, level 1'; alter session set events '10708 trace name context forever, level 1';

REM Reduce search scope with tables_over_these_many_rows and cbo_stats_newer_than_days. Set to 0 and 3650 respectively to select all

--

DEF tables_over_these_many_rows = '10000';

DEF cbo_stats_newer_than_days = '7';

--

SET TERM ON HEA ON LIN 2490 PAGES 100 TAB OFF FEED OFF ECHO OFF VER OFF TRIMS ON TRIM ON TI OFF TIMI OFF LONG 240000 LONGC 2400 NUM 20 SERVEROUT OFF;

SET FEED ON TI ON TIMI ON;

ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD"T"HH24:MI:SS';

--

COL px_cdb_view_enabled NEW_V px_cdb_view_enabled NOPRI;

SELECT CASE WHEN open_mode = 'READ WRITE' AND database_role = 'PRIMARY' THEN 'FALSE' ELSE 'TRUE' END AS px_cdb_view_enabled FROM v$database;

--

COL pdb_name FOR A30 TRUNC;

COL owner FOR A30 TRUNC;

COL table_name FOR A30 TRUNC;

--

BRE ON pdb_name SKIP PAGE DUPL;

--

PRO

PRO MISSING PK/UK CONSTRAINTS

PRO ~~~~~~~~~~~~~~~~~~~~~~~~~

--

WITH

cdb_stuff AS (

SELECT /*+ MATERIALIZE NO_MERGE OPT_PARAM('_px_cdb_view_enabled' '&&px_cdb_view_enabled.') */

u.con_id, u.username AS owner, t.table_name, t.num_rows, t.last_analyzed

FROM cdb_users u, cdb_tables t, cdb_constraints uc

WHERE u.oracle_maintained = 'N' AND u.con_id > 2

AND t.con_id = u.con_id AND t.owner = u.username AND t.partitioned = 'NO'

AND uc.con_id(+) = t.con_id AND uc.owner(+) = t.owner AND uc.table_name(+) = t.table_name AND uc.constraint_type(+) IN ('P', 'U')

AND ROWNUM >= 1 -- forces NO_MERGE

GROUP BY

u.con_id, u.username, t.table_name, t.num_rows, t.last_analyzed

HAVING COUNT(DISTINCT uc.constraint_name) = 0

)

SELECT c.name AS pdb_name, v.owner, v.table_name, v.num_rows, v.last_analyzed

FROM cdb_stuff v, v$containers c

WHERE c.con_id = v.con_id

AND v.num_rows > &&tables_over_these_many_rows. AND v.last_analyzed > SYSDATE - &&cbo_stats_newer_than_days.

ORDER BY

c.name, v.owner, v.table_name

/