一般的做法是,重启一次数据库,这样就可以确保所有事物使用的都是新建的undo tablespace。 通过以下sql可以查看当前系统中undo segment的情况: SQL>selectowner,segment_name,tablespace_namefromdba_rollback_segsorderby3; OWNER SEGMENT_NAME TABLESPACE_NAME--
sql> select tablespace_name, status, count(*) from dba_rollback_segs group by tablespace_name, status; If there are Undo segments with a status other than OFFLINE in the tablespace to be dropped, we need to wait till they become OFFLINE. You may have to wait for the duration of the t...
操作步骤如下 Create a new undo tablespace with a smaller size: SQL> create undo tablespace UNDO_RBS1 datafile 'undorbs1.dbf' size <new size>; Set the new tablespace as the undo tablespace to be used: SQL> alter system set undo\_tablespace=undo_rbs1; Drop the old undo tablespace: SQL...
Oracle Database Cloud Exadata Service - Version N/A and laterOracle Database Cloud Schema Service - Version N/A and laterInformation in this document applies to any platform. Goal This document provides the steps to resize the Undo tablespace.ie, to add space or shrink the current Undo ...
We're nearly done with our first round with Scene Builder. To finish, we select the Label in the Hierarchy panel at the bottom left—that's often the quickest way to locate "hidden" visual controls—and then resize it using the sizing handles on the canvas, again using the red lines to...
dbms_output.put_line('Implying that purge of recyclebin might be needed in order to resize'); dbms_output.put_line('SQL> purge tablespace '||c_file.tablespace_name||';'); end if; exception when no_data_found then null; when table_does_not_exist ...
Write image data while "streching" or "shrinking" to the new size It is recommended to use large images in the JAR file so that quality will not be lost in the resizing process Consider which images to resize on start up (backgrounds, heavily used images) and which images to resize only...
Resize the window containing the table so that it's bigger than necessary to display the whole table. All the table cells become wider, expanding to fill the extra horizontal space. The table in SimpleTableDemo.java declares the column names in a String array: String[] columnNames = {"Firs...
This example provides scrollable tabs. Resize the dialog box by moving its left or right boundary so that tabs do not fit within the dialog. Scroll arrows appear next to the tabs. Click the arrow to view one of the hidden tabs.
Please refer to this case to clear the plan cache, but based on my experience, this will not affect the performance a lot in your scenario: https://stackoverflow.com/questions/1873025/how-can-i-clear-the-sql-server-query-cache Best Regards, Teige MSDN Community Support Please remember to ...