Oracle PL/SQL Tutorial/SQL PLUS Session Environment/Session Variables — различия между версиями

Материал из SQL эксперт
Перейти к: навигация, поиск
м (1 версия)
 
м (1 версия)
 
(нет различий)

Текущая версия на 10:04, 26 мая 2010

alter session set hash_area_size

SQL> create table myTable
  2  as
  3  select rownum id, a.*
  4    from all_objects a
  5   where 1=0
  6  /
SQL>
SQL>
SQL>
SQL> set autotrace traceonly explain
SQL>
SQL> alter session set sort_area_size = 102400000;
SQL>
SQL> alter session set hash_area_size = 204800000;
SQL>
SQL> select a.object_type, b.object_name
  2    from myTable a, myTable b
  3   where a.last_ddl_time = b.last_ddl_time;
Execution Plan
----------------------------------------------------------
Plan hash value: 2666611345
--------------------------------------------------------------
| Id  | Operation          | Name    | Rows  | Bytes | Cost  |
--------------------------------------------------------------
|   0 | SELECT STATEMENT   |         |    67 |  3082 |     3 |
|*  1 |  HASH JOIN         |         |    67 |  3082 |     3 |
|   2 |   TABLE ACCESS FULL| MYTABLE |    82 |  1640 |     1 |
|   3 |   TABLE ACCESS FULL| MYTABLE |    82 |  2132 |     1 |
--------------------------------------------------------------
Predicate Information (identified by operation id):
---------------------------------------------------
   1 - access("A"."LAST_DDL_TIME"="B"."LAST_DDL_TIME")
Note
-----
   - cpu costing is off (consider enabling it)
SQL>
SQL> alter session set sort_area_size = 65536;
SQL>
SQL> alter session set hash_area_size = 131072;
SQL>
SQL> select a.object_type, b.object_name
  2    from myTable a, myTable b
  3   where a.last_ddl_time = b.last_ddl_time;
Execution Plan
----------------------------------------------------------
Plan hash value: 2666611345
--------------------------------------------------------------
| Id  | Operation          | Name    | Rows  | Bytes | Cost  |
--------------------------------------------------------------
|   0 | SELECT STATEMENT   |         |    67 |  3082 |     3 |
|*  1 |  HASH JOIN         |         |    67 |  3082 |     3 |
|   2 |   TABLE ACCESS FULL| MYTABLE |    82 |  1640 |     1 |
|   3 |   TABLE ACCESS FULL| MYTABLE |    82 |  2132 |     1 |
--------------------------------------------------------------
Predicate Information (identified by operation id):
---------------------------------------------------
   1 - access("A"."LAST_DDL_TIME"="B"."LAST_DDL_TIME")
Note
-----
   - cpu costing is off (consider enabling it)
SQL>
SQL> set autotrace off
SQL>
SQL>
SQL> drop table myTable;


alter session set NLS_DATE_FORMAT="DD-MM-YYYY"

SQL> create table history
  2  ( empno      NUMBER(4)
  3  , beginyear  NUMBER(4)
  4  , begindate  DATE
  5  , enddate    DATE
  6  , deptno     NUMBER(2)
  7  , sal       NUMBER(6,2)
  8  , comments   VARCHAR2(60)
  9  , constraint H_PK         primary key
 10                            (empno,begindate)
 11  , constraint H_BEG_END    check
 12                            (begindate < enddate)
 13  ) ;
Table created.
SQL>
SQL>
SQL> alter session  set NLS_DATE_FORMAT="DD-MM-YYYY";
Session altered.
SQL>
SQL> insert into history values (1,2000,"01-01-2000","01-02-2000",40, 950,"");
1 row created.
SQL> insert into history values (1,2000,"01-02-2000", NULL       ,20, 800,"restarted");
1 row created.
SQL>
SQL> insert into history values (2,1988,"01-06-1988","01-07-1989",30,1000,"");
1 row created.
SQL> insert into history values (2,1989,"01-07-1989","01-12-1993",30,1300,"");
1 row created.
SQL> insert into history values (2,1993,"01-12-1993","01-10-1995",30,1500,"");
1 row created.
SQL> insert into history values (2,1995,"01-10-1995","01-11-2009",30,1700,"");
1 row created.
SQL> insert into history values (2,2009,"01-11-2009", NULL       ,30,1600,"just hired");
1 row created.
SQL>
SQL>
SQL> select empno, begindate, comments
  2  from   history
  3  where  comments like "%0\%%" escape "\";
no rows selected
SQL>
SQL> drop table history;
Table dropped.
SQL>


ALTER SESSION SET optimizer_dynamic_sampling

SQL>
SQL> ALTER SESSION SET optimizer_dynamic_sampling = 0;
Session altered.
SQL>
SQL>
SQL> CREATE TABLE myTable AS SELECT * FROM all_objects;
Table created.
SQL>
SQL>
SQL> CREATE TABLE myTable2 AS SELECT object_id, object_name FROM myTable;
Table created.
SQL>
SQL> ALTER TABLE myTable2 ADD object_application VARCHAR2(12);
Table altered.
SQL>
SQL> UPDATE myTable2 SET object_application = "WORKSHOP";
12597 rows updated.
SQL>
SQL> COMMIT;
Commit complete.
SQL>
SQL> SET AUTOTRACE TRACEONLY EXPLAIN;
SQL>
SQL>
SQL> ALTER SESSION SET optimizer_dynamic_sampling = 1;
Session altered.
SQL>
SQL>
SQL> SET AUTOTRACE OFF;
SQL>
SQL> DROP TABLE myTable2;
Table dropped.
SQL>
SQL> DROP TABLE myTable;
Table dropped.
SQL>


alter session set sort_area_size = 102400000

SQL> create table myTable
  2  as
  3  select rownum id, a.*
  4    from all_objects a
  5   where 1=0
  6  /
SQL>
SQL>
SQL>
SQL> set autotrace traceonly explain
SQL>
SQL> alter session set sort_area_size = 102400000;
SQL>
SQL> alter session set hash_area_size = 204800000;
SQL>
SQL> select a.object_type, b.object_name
  2    from myTable a, myTable b
  3   where a.last_ddl_time = b.last_ddl_time;
Execution Plan
----------------------------------------------------------
Plan hash value: 2666611345
--------------------------------------------------------------
| Id  | Operation          | Name    | Rows  | Bytes | Cost  |
--------------------------------------------------------------
|   0 | SELECT STATEMENT   |         |    67 |  3082 |     3 |
|*  1 |  HASH JOIN         |         |    67 |  3082 |     3 |
|   2 |   TABLE ACCESS FULL| MYTABLE |    82 |  1640 |     1 |
|   3 |   TABLE ACCESS FULL| MYTABLE |    82 |  2132 |     1 |
--------------------------------------------------------------
Predicate Information (identified by operation id):
---------------------------------------------------
   1 - access("A"."LAST_DDL_TIME"="B"."LAST_DDL_TIME")
Note
-----
   - cpu costing is off (consider enabling it)
SQL>
SQL> alter session set sort_area_size = 65536;
SQL>
SQL> alter session set hash_area_size = 131072;
SQL>
SQL> select a.object_type, b.object_name
  2    from myTable a, myTable b
  3   where a.last_ddl_time = b.last_ddl_time;
Execution Plan
----------------------------------------------------------
Plan hash value: 2666611345
--------------------------------------------------------------
| Id  | Operation          | Name    | Rows  | Bytes | Cost  |
--------------------------------------------------------------
|   0 | SELECT STATEMENT   |         |    67 |  3082 |     3 |
|*  1 |  HASH JOIN         |         |    67 |  3082 |     3 |
|   2 |   TABLE ACCESS FULL| MYTABLE |    82 |  1640 |     1 |
|   3 |   TABLE ACCESS FULL| MYTABLE |    82 |  2132 |     1 |
--------------------------------------------------------------
Predicate Information (identified by operation id):
---------------------------------------------------
   1 - access("A"."LAST_DDL_TIME"="B"."LAST_DDL_TIME")
Note
-----
   - cpu costing is off (consider enabling it)
SQL>
SQL> set autotrace off
SQL>
SQL>
SQL> drop table myTable;


ALTER SESSION SET SQL_TRACE = TRUE

SQL> CREATE TABLE emp (
  2    id         NUMBER PRIMARY KEY,
  3    fname VARCHAR2(50),
  4    lname  VARCHAR2(50)
  5  );
Table created.
SQL>
SQL> INSERT INTO emp (id, fname, lname)VALUES (1, "A", "B");
1 row created.
SQL> INSERT INTO emp (id, fname, lname)VALUES (2, "C", "D");
1 row created.
SQL> INSERT INTO emp (id, fname, lname)VALUES (3, "Enn", "F");
1 row created.
SQL> INSERT INTO emp (id, fname, lname)VALUES (4, "G", "H");
1 row created.
SQL> INSERT INTO emp (id, fname, lname)VALUES (5, "G", "Z");
1 row created.
SQL>
SQL>
SQL> ALTER SESSION SET SQL_TRACE = TRUE;
Session altered.
SQL> SELECT lname
  2  FROM emp
  3  WHERE fname = "Mike";
no rows selected
SQL> ALTER SESSION SET SQL_TRACE = FALSE;
Session altered.
SQL>
SQL> drop table emp;
Table dropped.


alter session set workarea_size_policy=manual

SQL> create table t as select * from all_objects where rownum < 20;
Table created.
SQL>
SQL> exec dbms_stats.gather_table_stats( user, "T" );
PL/SQL procedure successfully completed.
SQL>
SQL> alter session set workarea_size_policy=manual;
Session altered.
SQL> alter session set sort_area_size = 65536;
Session altered.
SQL> set termout off
SQL> select * from t where rownum < 20 order by 1, 2, 3, 4 ;
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            CON$
                                       28             28 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            C_COBJ#
                                       29             29 CLUSTER
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            FILE$
                                       17             17 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            ICOL$
                                       20              2 TABLE
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            IND$
                                       19              2 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_CDEF2
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
                                       51             51 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_CDEF4
                                       53             53 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N

OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            I_CON1
                                       48             48 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_FILE#_BLOCK#
                                        9              9 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            I_FILE1
                                       41             41 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_IND1
                                       39             39 INDEX
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_OBJ#
                                        3              3 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_OBJ3
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
                                       38             38 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_PROXY_ROLE_DATA$_1
                                       26             26 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N

OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            I_TS#
                                        7              7 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_USER1
                                       44             44 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            PROXY_ROLE_DATA$
                                       25             25 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            UET$
                                       13              8 TABLE
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            UNDO$
                                       15             15 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N

19 rows selected.
SQL>
SQL> set termout on
SQL> alter session set sort_area_size=1048576;
Session altered.
SQL> set termout off
SQL> select * from t where rownum < 20 order by 1, 2, 3, 4;
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            CON$
                                       28             28 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            C_COBJ#
                                       29             29 CLUSTER
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            FILE$
                                       17             17 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            ICOL$
                                       20              2 TABLE
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            IND$
                                       19              2 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_CDEF2
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
                                       51             51 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_CDEF4
                                       53             53 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N

OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            I_CON1
                                       48             48 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_FILE#_BLOCK#
                                        9              9 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            I_FILE1
                                       41             41 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_IND1
                                       39             39 INDEX
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_OBJ#
                                        3              3 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_OBJ3
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
                                       38             38 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_PROXY_ROLE_DATA$_1
                                       26             26 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N

OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            I_TS#
                                        7              7 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_USER1
                                       44             44 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            PROXY_ROLE_DATA$
                                       25             25 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            UET$
                                       13              8 TABLE
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            UNDO$
                                       15             15 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N

19 rows selected.
SQL> set termout on
SQL> alter session set sort_area_size=1073741820;
Session altered.
SQL> set termout off
SQL> select * from t where rownum < 20 order by 1, 2, 3, 4;
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            CON$
                                       28             28 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            C_COBJ#
                                       29             29 CLUSTER
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            FILE$
                                       17             17 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            ICOL$
                                       20              2 TABLE
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            IND$
                                       19              2 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_CDEF2
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
                                       51             51 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_CDEF4
                                       53             53 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N

OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            I_CON1
                                       48             48 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_FILE#_BLOCK#
                                        9              9 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            I_FILE1
                                       41             41 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_IND1
                                       39             39 INDEX
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_OBJ#
                                        3              3 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_OBJ3
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
                                       38             38 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_PROXY_ROLE_DATA$_1
                                       26             26 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N

OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            I_TS#
                                        7              7 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            I_USER1
                                       44             44 INDEX
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
SYS                            PROXY_ROLE_DATA$
                                       25             25 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            UET$
                                       13              8 TABLE
OWNER                          OBJECT_NAME
------------------------------ ------------------------------
SUBOBJECT_NAME                  OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED   LAST_DDL_ TIMESTAMP           STATUS  T G S
--------- --------- ------------------- ------- - - -
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N
SYS                            UNDO$
                                       15             15 TABLE
07-FEB-06 07-FEB-06 2006-02-07:22:10:08 VALID   N N N

19 rows selected.
SQL> set termout on
SQL>
SQL> drop table t;
Table dropped.
SQL>
SQL>


alter system flush shared_pool

SQL> alter system flush shared_pool;
SQL>
SQL> alter session set optimizer_index_cost_adj=100;
SQL>
SQL> alter session set optimizer_index_caching=0;
SQL>
SQL> begin
  2     dbms_stats.import_system_stats( stattab => "SYSTEM_STATS", statid => "OLTP", statown => user );
  3  end;
  4  /


alter system quiesce restricted

SQL> alter system quiesce restricted;
SQL>
SQL>


alter system resume

SQL> alter system resume;
SQL>
SQL>


alter system suspend

SQL> alter system suspend;