Query below lists:

(A) all tables accessible to the current user in Oracle database having names starting with the specifix prefix

(B) all tables in Oracle database having names starting with the specifix prefix

Query was executed under the Oracle9i Database version.

Query

A. Tables accessible to the current user

select owner as schema_name,
       table_name
from sys.all_tables
where table_name like 'HR%' 
-- excluding some Oracle maintained schemas
and owner not in ('ANONYMOUS','CTXSYS','DBSNMP','EXFSYS', 'LBACSYS', 
   'MDSYS', 'MGMT_VIEW','OLAPSYS','OWBSYS','ORDPLUGINS', 'ORDSYS','OUTLN', 
   'SI_INFORMTN_SCHEMA','SYS','SYSMAN','SYSTEM', 'TSMSYS','WK_TEST',
   'WKPROXY','WMSYS','XDB','APEX_040000', 'APEX_PUBLIC_USER','DIP', 
   'FLOWS_30000','FLOWS_FILES','MDDATA', 'ORACLE_OCM', 'XS$NULL',
   'SPATIAL_CSW_ADMIN_USR', 'SPATIAL_WFS_ADMIN_USR', 'PUBLIC', 'WKSYS')
order by owner,
         table_name;

B. If you have privilege on dba_tables

select owner as schema_name,
       table_name
from sys.dba_tables
where table_name like 'HR%' 
-- excluding some Oracle maintained schemas
and owner not in ('ANONYMOUS','CTXSYS','DBSNMP','EXFSYS', 'LBACSYS', 
   'MDSYS', 'MGMT_VIEW','OLAPSYS','OWBSYS','ORDPLUGINS', 'ORDSYS','OUTLN', 
   'SI_INFORMTN_SCHEMA','SYS','SYSMAN','SYSTEM', 'TSMSYS','WK_TEST',
   'WKPROXY','WMSYS','XDB','APEX_040000', 'APEX_PUBLIC_USER','DIP', 
   'FLOWS_30000','FLOWS_FILES','MDDATA', 'ORACLE_OCM', 'XS$NULL',
   'SPATIAL_CSW_ADMIN_USR', 'SPATIAL_WFS_ADMIN_USR', 'PUBLIC', 'WKSYS')
order by owner,
         table_name;

Columns

• schema_name - schema name, owner of the table
• table_name - name of the table

Rows

• One row represents one table having name starting with the specifix prefix
• Scope of rows: (A) all tables accessible to the current user in Oracle database having names starting with the specifix prefix, (B) all tables in Oracle database having names starting with the specifix prefix
• Ordered by schema name, table_name

Sample results