在10g/11g中如何查看SQL Profiles的信息?
在Oracle 10g中,能夠查詢如下的數據字段表來獲取信息:
SQLPROF$ATTR、SQLPROF$、SQLPROF$DESC
在Oracle 11g中,上面的數據字典表被取而代之,能夠訪問下面的數據字段表來獲取信息:
SQLOBJ$、SQLOBJ$AUXDATA、SQLOBJ$DATA
示例以下:
Oracle 10g中:
SQL> select attr_val from dba_sql_profiles a, sys.sqlprof$attr b
2 where a.signature = b.signature
3 and a.name='SYS_SQLPROF_0158d954d210000';
ATTR_VAL
----------------------------------------------------------------------------------------------------
FULL(@"SEL$1" "T1"@"SEL$1")
INDEX(@"SEL$1" "T2"@"SEL$1" ("T2"."OBJECT_ID"))
LEADING(@"SEL$1" "T1"@"SEL$1" "T2"@"SEL$1")
USE_NL(@"SEL$1" "T2"@"SEL$1")
SQL> select object_name,object_type from dba_objects where object_Name like 'SQLPROF%';
OBJECT_NAME OBJECT_TYPE
------------------------------ -------------------
SQLPROF$ TABLE
SQLPROF$ATTR TABLE
SQLPROF$DESC TABLE
SQLPROF_ATTR TYPE
SQLPROF_ATTR SYNONYM
這些表的建立語句能夠從sql.bsq中獲取。
Oracle 11g中:
SQL> select name from dba_sql_profiles;
NAME
------------------------------
SYS_SQLPROF_0141d9f2f2a60001
SYS_SQLPROF_0141d9e54d180000
SQL> set autotrace on
SQL> SELECT extractValue(value(h),'.') AS hint
2 FROM sys.sqlobj$data od, sys.sqlobj$ so,
3 table(xmlsequence(extract(xmltype(od.comp_data),'/outline_data/hint'))) h
4 WHERE so.name = 'SYS_SQLPROF_0141d9e54d180000'
5 AND so.signature = od.signature
6 AND so.category = od.category
7 AND so.obj_type = od.obj_type
8 AND so.plan_id = od.plan_id;
HINT
----------------------------------------------------------------------
OPT_ESTIMATE(@"SEL$1", TABLE, "T1"@"SEL$1", SCALE_ROWS=0.01440028801)
OPTIMIZER_FEATURES_ENABLE(default)
SQL> select object_name,object_type from dba_objects where object_name like 'SQLOBJ%';
OBJECT_NAME OBJECT_TYPE
------------------------------ -------------------
SQLOBJ$ TABLE
SQLOBJ$AUXDATA TABLE
SQLOBJ$DATA TABLE
SQLOBJ$DATA_PKEY INDEX
SQLOBJ$_PKEY INDEX
在Oracle 11g中,這些建立表的語句被從sql.bsq中剝離了出來,在11g中,被剝離到了dmanage.bsq中,並經過sql.bsq中調用來進行表的建立。
$cat $ORACLE_HOME/rdbms/admin/sql.bsq
........
rem !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! IMPORTANT !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
rem Whenever new column is created to store internal, user or kernel column
rem number, be sure to update the structure adtDT in atb.c so that those
rem columns will be updated properly during drop column.
rem !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
rem
dcore.bsq
dsqlddl.bsq
dmanage.bsq
dplsql.bsq
dtxnspc.bsq
dfmap.bsq
denv.bsq
drac.bsq
dsec.bsq
doptim.bsq
dobj.bsq
djava.bsq
dpart.bsq
drep.bsq
daw.bsq
dsummgt.bsq
dtools.bsq
dexttab.bsq
ddm.bsq
dlmnr.bsq
ddst.bsq
java