通过alter system set修改: SYS@TEST16>alter system set processes=1500 comment='change from 100 to 1500' scope=spfile; System altered. 注意:这里一定要加上scope=spfile,否则会报如下错误,因为issys_modifiable=false ORA-02095: specified initialization parameter cannot be modified...
processParameterChange void processParameterChange(ParameterChangeEvent event) throws javax.faces.event.AbortProcessingException Invoked when end user changes the value of a field using the Oracle Composer. Parameters: event - The ParameterChangeEvent that has occured. Throws: javax.faces.event.Abort...
Related Links--->SQL Performance Analyzer Parameter Change--》 Task Information *Task Name--》选MY_TASK *SQL Tuning Set--》选SYS.MY_STS Parameter Change *Parameter Name--》选 optimizer_features_enable *Base Value--》10.1.0.3 *Change Values--》11.2.0.1 选Submit 点击MY_STS---》SQL Trials ...
select count(*) from v$process; 当前会话的连接数 select count(*) from v$session; 查看数据库的并发连接数 select count(*) from v$session where status='ACTIVE'; 查询数据库允许的最大连接数 select value from v$parameter where name = 'processes';修改...
When to Change When the default number of user processes derived by the system is too low. This situation is evident when the following message displays on the system console: out of processes You might also change this parameter when the default number of processes is too high, as in these...
You can changethe default editor through the GGSCI interface by using the SET EDITOR command. --可以使用set editor 命令修改ggsci 默认的editor。 To create a parameter file in GGSCI 1. From the directory where OracleGoldenGate is installed, run GGSCI. ...
4、$controlfile控制文件信息v$logfile重做日志信息v$instance数据库实例信息v$log日志组信息v$loghist日志历史信息v$sga数据库SGA信息v$parameter初始化参数信息v$process数据库效力器进程信息v$bgprocess数据库后台进程信息v$controlfile_record_section控制文件记载的各部分信息v$thread线程信息v$datafile_header数据文件头所记载...
v$parameter 里面的值,是指用户在初始化参数文件里面设置的值,v$sgastat是oracle 实际分配的日志缓冲区大小(因为缓冲区的分配值实际上是离散的,也不是以block 为最小单位进行分配的),v$sga 里面查询的值,是在oracle 分配了日志缓冲区后,为了保护日志缓冲区,设置了一些保护页,通常我们会发现保护页大小是8k(不同...
Define column type may also be used to change the type of the data. Or to limit the size of variable length data. There is a new variation of this with a 4th parameter for form_of_use. DoesdefineColumnTypeforce conversions on the Server?
SQL>select count(*) from v$bgprocess 查看系统最大进程数: SQL>show parameter process 查看当前连接到数据库的用户: SQL>select count(*) from v$session 查看当前数据库建立的会话情况: SQL> select sid,serial#,username,program,machine,status from v$session; ...