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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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set feedback off --ÊÇ·ñÏÔʾ * rows selected
set heading off --ÊÇ·ñÏÔʾ×ֶεÄÃû³Æ
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create table emp1
as
select * from emp where deptno = 20;
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update emp1
set sal = sal + 100,
comm = nvl(comm,0) + 50
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