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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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(empnoÔ±¹¤ºÅ/enameÔ±¹¤ÐÕÃû/job¹¤×÷/mgrÉϼ¶±àºÅ/hiredateÊܹÍÈÕÆÚ/salн½ð/commÓ¶½ð/deptno²¿ÃűàºÅ)
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select ename
from emp
where deptno = 30;
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select ename,empno,deptno
from emp
where job='CLERK';
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An explain plan is a representation of the access path that is taken when a query is executed within Oracle.
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ALTER TABLE SCHEMA.PREFIX_INFO ADD (
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alter table schema.prefix_info add constraint prefix_info_pkey primary key(info_id);
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