同時對一個表操作,update,truncate 等操作,會造成此錯誤,另外,事物沒有提交,從而進行其他動作也有可能會造成此異常。 ORA-00054 resource busy and acquire with NOWAIT specified Cause: The NOWAIT keyword forced a return to the command prompt because a resource was unavailable for a LOCK TABLE or
在Oracle中如何利用Rowid尋找和刪除表中的重複記錄轉自:CSDN平時工作中可能會遇到當試圖對庫表中的某一列或幾列建立唯一索引時,系統提示 ORA-01452 :不能建立唯一索引,發現重複記錄。 下面總結一下幾種尋找和重複資料刪除記錄的方法(以表CZ為例):表CZ的結構如下:SQL> desc cz Name Null? Type -------------------------------------
//聚集合函式max,min,avg,count,sumselect count(*) from dept;select count(deptno) from dept;//user,decode,nvlselect user from dual;select sum(decode(a1,'abc',1,0)),sum(decode(a1,'bca',1,0)) from aa;select a1,nvl(a2,'NULL') from aa;select * from aa where a2
1. Stop database and CRS on both node$ srvctl stop database -d mydb# crsctl stop crs2. Turn Off RACSQL> startupORA-29702 error occurred in Cluster Group Service operationRelink with the RAC OFF.$ cd $ORACLE_HOME/rdbms/lib$ /usr/ccs/bin/make -f
5.4上安裝Oracle 10g時提示如下錯誤: Exception in thread “main” java.lang.UnsatisfiedLinkError: /tmp/OraInstall2009-11-25_02-34-42PM/jre/1.4.2/lib/i386/libawt.so:libXp.so.6: cannot open shared object file: No such file or directory 原因是缺少了包,裝上如下的包就可以了。# rpm
PseudocolumnsA pseudocolumn behaves like a table column, but is not actually stored in the table. You can select from pseudocolumns, but you cannot insert, update, or delete their values. This section describes these pseudocolumns:CURRVAL and
一、處理錯誤 1.當錯誤出現在Oracle Form PL/SQL中時,處理的方法如下: IF (err_condition) THEN Fnd_message.set_name(appl_short_name,message_name); Fnd_message.error; RAISE form_trigger_failure; END IF; 2.當錯誤出現在Stored Procedure中時,處理的方法如下: IF
Installation Instructions Oracle, MapViewer and Geospatial dataDownload Oracle and MapViewer from www.oracle.comthe database software: oracle10g rel2 standard edition 10.2.0.10 for Microsoft Windows 'a'ena-7 The application server MapViewer: