Oracle RAC Multiple instances must have the same value. DB_FILES specifies the maximum number of database files that can be opened for this database. The maximum valid value is the maximum number of files, subject to operating system constraint, that will ever be specified for the database, ...
从Oracle 8i开始,EXP工具支持使用查询子句对特定表的部分数据执行导出,这个功能是通过EXP的query参数来实现的,在使用过程中可能最常见的错误是: LRM-00112: multiplevalues not allowed for parameter 'query' EXP-00019: failed toprocess parameters, type 'EXP HELP=Y' for help EXP-00000: Exportterminated unsuc...
--这部分内容主要有多个不同的Finding组成,且每个Finding均包含以下内容:--1、在Finding标题中列出相应的Findings名称,如TopSQL,或者相关等待事件如Free Buffer Waits--2、描述受影响的活动会话数,以及占用总活动的百分比--3、给出优化建议,采取的行动,以及理论依据 Finding1:TopSQLStatements Impact is2.96active sess...
The PL/SQL block inExample 6-10queries multiple values into PL/SQL tables, with and without bulk binds. Without bulk bind, PL/SQL sends a SQL statement to the SQL engine for each selected employee, leading to context switches that slow performance. Example 6-10 SELECT Statements that Referen...
-- 这是默认的执行类型SIMPLE :简单REUSE:执行器可能重复使用prepared statements 语句BATCH:执行器可以重复执行语句和批量更新--><setting name="defaultExecutorType" value="SIMPLE"/><!-- 设置驱动等待数据响应的超时数 默认没有设置--><setting name="defaultStatementTimeout" value="25000″/><!-- [是否...
The PL/SQL block in Example 6-10 queries multiple values into PL/SQL tables, with and without bulk binds. Without bulk bind, PL/SQL sends a SQL statement to the SQL engine for each selected employee, leading to context switches that slow performance. ...
Can be specified multiple times. format schema.tableName --tableSkip MTK.TABLE01 --tableSkip MTK.TABLE02 --tables string the Migrate tables,Separated by commas.(tab1,schema1.tab1) -- -s 代表源端所支持的数据库类型 -- -t 代表目标端所支持的数据库类型 -- 通过以上内容可以看到mtk支持源端...
This is true even if you execute a generic SELECT statement on the first database link and the transaction is currently read-only." This issue was also addressed in the following bug closed as 'Not a Bug' for the above reason: Bug:17630569: ADG STANDBY QUERY WITH MULTIPLE DB LINKS ...
If you use (one of the tools that ships with the compiler), you can run multiple compilations simultaneously. See also the option in the C++ Users Guide. When optimizing across multiple object files, multiple copies of the code generator can run at the same time, if the computer has suffic...
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