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ÐÞ¸ÄOracleµÄ½ø³ÌÊý[processes]¼°»á»°Êý[sessions]
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OracleµÄsessionsºÍprocessesµÄ¹ØÏµÊÇ
         sessions=1.1*processes + 5
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SQL> show parameter processes;
NAME                                 TYPE        VALUE
------------------------------------ ----------- ---------------------------------------
aq_tm_processes                      integer     1
db_writer_processes                  integer     1
job_queue_processes                  integer     10
log_archive_max_processes            integer     1
processes                            integer     150
SQL> alter system set processes=400 scope = spfile;
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SQL> show parameter processes;
NAME                                 TYPE        VALUE
------------------------------------ ----------- -----------------------------------------
aq_tm_processes                    &n


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select ename
from emp
where deptno = 30;
------2.ÁгöËùÓаìÊÂÔ±(CLERK)µÄÐÕÃû£¬±àºÅºÍ²¿ÃűàºÅ.
select ename,empno,deptno
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Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Microsoft Windows (32-bit)
http://download.oracle.com/otn/nt/oracle10g/10201/10201_database_win32.zip
http://download.oracle.com/otn/nt/oracle10g/10201/10201_client_win32.zip
http://download.oracle.com/otn/nt/oracle10g/10 ......

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SELECT UPPER(F.TABLESPACE_NAME) "±í¿Õ¼äÃû",
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ALTER TABLE SCHEMA.PREFIX_INFO ADD (
CONSTRAINT PK_PREFIX_INFO PRIMARY KEY (INFO_ID));
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alter table schema.prefix_info add constraint prefix_info_pkey primary key(info_id);
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