1、FOR循环下,不需要显示关闭游标DECLARE CURSOR c_emp_cursor ( deptno NUMBER ) IS SELECT employee_id,last_name FROM employees WHERE department_id = deptno; r c_emp_cursor%ROWTYPE;BEGIN FOR i IN c_emp_cursor(10) LOOP DBMS_...
ORA-00257: archiver error. Connect internal only, until freed.Oracle 10g数据库物理空间管理方式与以前Oracle发生了变化,对归档日志所在的Flash_Recovery_Area空间进行了另外限制 Flash_Recovery_Area空间缺省安装时比较小,只有2GB,容易用完解决过程 根据数据库目前可用存储空间情况、FLASH_RECOVERY_AREA空间为2GB的实际情况,把FLASH_RECOVERY_AREA的空间修改为20GB()。 SQL> alter system set DB_RECOVERY_FI
oracle 性能调优之 管理 操作系统 这章解释为优化数据库性能怎样调整操作系统,包括以下几部分内容: 一是理解操作系统性能问题 二是解释操作系统问题 三是
ObjectivesAfter completing this lesson,you should be able to do the following:Describe set operators.Use a set operator to combine multiple queries into a single query.Control the order of rows returned.Lesson AgendaSet Operators:Types and guidelinesTables used in this lessonUNION and UNION ALL oper
Applying Additional Condtions to a JoinUse the AND cluause or the WHERE clause to aplly additional condtions:AND CLAUSESQL> SELECT e.employee_id,e.last_name,d.department_id,d.department_name FROM employees e JOIN departments d ON (e.department_id = d.department_id) AND e.manager_id = 149;EMPLOYEE
引用:http://tommy---2005.iteye.com/blog/725641 笔者在网上查找流行的上传组件,swfupload引入眼帘,受到JavaEye的一篇文章启发,历时三天,加以研究,现将心得奉上,献礼JavaEye。 由于笔者才疏学浅,经验匮乏,介绍不深入,仅供菜鸟参考,还望高手赐教。
@AutowiredprivateFDLDaodao;@Autowired@Qualifier("flightCacheManager")privateCacheManagercacheManager;
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