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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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oracleÐòÁÐÉú³ÉÆ÷(sequence)ʹÓõÄÒ»µãСעÒâ

ÓÐÈËÓöµ½Õâôһ¸öÎÊÌ⣬·ÃÎÊÒ»¸öÐòÁÐÔõô³ö´íÁË£¬´íÎóÈçÏ£º ORA-08002: ÐòÁÐ SEQ_GX.CURRVAL ÉÐδÔڴ˻ỰÖж¨Òå ÕâÊÇÒòΪÔÚÒ»¸öеĻỰÖУ¬ÐòÁÐÐèÒª³õʼ»¯£¬Ò²¾ÍÊÇͨ¹ý.NEXTVALÀ´Íê³ÉÐòÁеijõʼ»¯¡£ ²âÊÔÈçÏ£º Connected to Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 Connected as crmii SQL> SQ ......

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set echo on --ÊÇ·ñÏÔʾִÐеÄÃüÁîÄÚÈÝ
set feedback off --ÊÇ·ñÏÔʾ * rows selected
set heading off --ÊÇ·ñÏÔʾ×ֶεÄÃû³Æ
set verify off --ÊÇ·ñÏÔÊ¾Ìæ´ú±äÁ¿±»Ìæ´úǰºóµÄÓï¾ä¡£fil
set trimspool off --È¥×ֶοոñ
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version: 10.2.0.1
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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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create table person (pid int,name varchar2(20) unique,
age int check(age between 0 and 150),sex varchar(4) default 'ÄÐ',tp int,
address varchar(200),constraint person_pid_pk primary key(pid));
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insert into person values(0011,'ÁõÈý½ã',25,'ÄÐ',13930123021,'ºÓ±±Ê¡ÇúÑôÏØ');
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