-- 创建新的 UNDO 表空间CREATEUNDO TABLESPACE UNDOTBS2 DATAFILE'/u01/app/oracle/oradata/your_db/undotbs03.dbf'SIZE2048M AUTOEXTENDONNEXT200M MAXSIZE UNLIMITED;-- 切换到新的 UNDO 表空间ALTERSYSTEMSETundo_tablespace=UNDOTB
SCOTT@sen>select*fromempasoftimestamp(systimestamp-interval'5'minute); 之后插入(通过表创建表create table emp2 as select * from emp;) SCOTT@sen>insertintoempselect*fromempasoftimestamp(systimestamp-interval'5'minute); 试验部分: 1,SYS@sen>alter system set undo_management=manual scope=spfile; ...
Fill formulas in tables to create calculated columns : Applies one formula to all cells in an Excel table column.Note: If you want to set how numbers and dates appear, you do that on the Home tab in the Number group. It isn’t part of automatic formatting.Need...
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WindowsmacOSActionExcelSheets Ctrl+ZCmd+ZUndo the last action✓✓ Ctrl+YCmd+YRedo the last action✓✓ Ctrl+Shift+ZCmd+Shift+ZRedo the last action✓✓ #Related API reference
However, not all support tools require such advanced knowledge of a cell to make real use of them. In this lesson, we are going to look at two of the most basic tools that Excel has to help operators correct their errors. These functions are the undo and redo commands ...
Excel Undo feature TheUndofeature in Excel lets you revert the last action you performed, whether it was data entry, formatting, or any other modification. It's an invaluable feature, especially when you make unintentional changes or need to backtrack. Here are some cases that can be quickly...
create pfile='$ORACLE_HOME/dbs/ora_1214.ora' from spfile; 然后修改pfile,把undo表空间改为undotbs2和undotbs3,然后通过pfile启动数据库,最后要通过当前的pfile创建spfile,要不然下次也会报错。 这只是解决了正常启库的问题,最大的问题是undo表空间爆满的问题,这样删除undo表空间只是治标不治本,以后还是重蹈覆辙...
Can you please advise if Excel can "undo" if using the Find and Replace Feature? E.g. Use the Find and Replace Feature to search for X within a worksheet that contains say ten results for X, then review the results by electing "Find Next", though after moving between results, subsequen...
Is there any possible way to embed the excel sheet to wpf control? Is there any way to hide controls at design time Is there any way to set a binding to two properties in xaml?? Is there any WPF control to display HTML strings other than WebBrowser? Is there anything new about the ...