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SQL> select owner,object_name,OBJECT_TYPE from dba_objects where object_name like '%PLAN_TABLE%';
OWNER                          OBJECT_NAME          OBJECT_TYPE
------------------------------ -------------------- -------------------
SYS                            SQL_PLAN_TABLE_TYPE  TYPE
PUBLIC                         SQL_PLAN_TABLE_TYPE  SYNONYM
SYS                            PLAN_TABLE$          TABLE
PUBLIC                         PLAN_TABLE           SYNONYM
EXFSYS                         EXF$PLAN_TABLE       TABLE
SQL> select * from dba_synonyms where SYNONYM_NAME like '%PLAN_TABLE%';
 
OWNER          SYNONYM_NAME       &nbs