Hi Rana,
Thanks for your reply..
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SQL> EXECUTE DBMS_STATS.UPGRADE_STAT_TABLE('SYSTEM','STATTAB');
BEGIN DBMS_STATS.UPGRADE_STAT_TABLE('SYSTEM','STATTAB'); END;
*
ERROR at line 1:
ORA-20000: TABLE "SYSTEM"."STATTAB" does not exist or insufficient
privileges
ORA-06512: at "SYS.DBMS_STATS", line 6969
ORA-06512: at line 1
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RK