Oracle PL/SQL/System Tables Views/USER CATALOG — различия между версиями

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м (1 версия)
 
(нет различий)

Текущая версия на 10:01, 26 мая 2010

Query dba_synonyms and user_catalog table

 
SQL>
SQL> SELECT ds.owner owner, table_owner,
  2         SUBSTR(dc.table_type,1,6) table_type,
  3         ds.table_name table_name, synonym_name
  4  FROM   dba_synonyms ds, user_catalog dc
  5  WHERE  ds.table_name  = dc.table_name
  6  and    rownum < 50
  7  ORDER BY ds.owner, table_owner, table_type, ds.table_name;
no rows selected
SQL>



USER_CATALOG view also has a synonym defined

SQL>
SQL>
SQL> -- USER_CATALOG view also has a synonym defined.
SQL>
SQL> SELECT * FROM USER_CATALOG where rownum < 10;
TABLE_NAME                     TABLE_TYPE
------------------------------ -----------
ACCESS$                        TABLE
ALERT_QT                       TABLE
ALL_ALL_TABLES                 VIEW
ALL_APPLY                      VIEW
ALL_APPLY_CONFLICT_COLUMNS     VIEW
ALL_APPLY_DML_HANDLERS         VIEW
ALL_APPLY_ENQUEUE              VIEW
ALL_APPLY_ERROR                VIEW
ALL_APPLY_EXECUTE              VIEW
9 rows selected.
SQL>
SQL>
SQL>