(2)If CURSOR_SPACE_FOR_TIMEis set to true, then a cursorcan be deallocated only when all application cursors associated with itsstatement are closed. In this case, Oracle Database need not verify thata cursor is in the cache because it cannot be deallocated while an applicationcursor associat...
Oracle Database need not verify thata cursor is in the cache because it cannot be deallocated while an applicationcursor associated with it is open.
1.3.17. 十七、_optimizer_extended_cursor_sharing_rel、_optimizer_extended_cursor_sharing、_optimizer_adaptive_cursor_sharing 自适应游标共享(Adaptive Cursor Sharing: ACS) alter system set "_optimizer_extended_cursor_sharing_rel"=none; alter system set "_optimizer_extended_cursor_sharing"=none; alter ...
(4)If stored outlines were generated with CURSOR_SHARING set to EXACT, then the database does not use stored outlines generated with literals. To avoid this problem, generate outlines with CURSOR_SHARING set to FORCE or SIMILAR and use the CREATE_STORED_OUTLINES parameter. When deciding whether ...
在最近遇到的一则案例中发现,cursor_sharing参数对expdp的性能有着重要的影响,如果该参数设置为similar或force,可能导致expdp的时间几倍增加,在exact模式下30分钟的导出操作,在similar模式下可能需要1~2个小时时间。这一问题被标记为Bug,在10.2.0.4之后被修正。
CommandType.StoredProcedure cmd.Parameters.Add(NewOracleParameter("N_EMPNO", OracleType.Number)).Value =7369cmd.Parameters.Add(NewOracleParameter("IO_CURSOR", OracleType.Cursor)).Direction = ParameterDirection.Output rdr = cmd.ExecuteReader()While(rdr.Read())REMdosomethingwiththe valuesEndWhile...
ORA-17173 Not all return parameters registered 并非所有返回参数都已注册。 ORA-17174 The only supported namespace is CLIENTCONTEXT 唯一受支持的名称空间是 CLIENTCONTEXT。 ORA-17175 Error during remote ONS configuration 配置远程 ONS 期间出错。 ORA-17259 SQLXML cannot find the XML support jar file in...
SQL> select count(*) fromv$open_cursor; 修改ORACLE最大游标数 SQL> alter system set open_cursors=1000 scope=both; 关闭密码过期 --1、查看用户的proifle是哪个,一般是default: (DBSNMP=》MONITORING_PROFILE) SELECT username,PROFILE FROMdba_users; ...
The Database handle associated with this Cursor. compare public int compare(Cursor OtherCursor) throws DatabaseException Return a comparison of the two cursors. Two cursors are equal if and only if they are positioned on the same item in the same database. Parameters: OtherCursor - the other...
To use an explicit cursor, you must first declare it in the declaration section of a block or package. There are three types of explicit cursor declarations: A cursor without parameters; for example: CURSOR company_cur IS SELECT company_id FROM company; A cursor that accepts arguments through...