3.4CONNECT_BY_ISLEAF Example 以下语句显示了如何使用分层查询将列中的值转换为逗号分隔的列表: SELECTLTRIM(SYS_CONNECT_BY_PATH (warehouse_id,','),',')FROM(SELECTROWNUM r, warehouse_idFROMwarehouses)WHERECONNECT_BY_ISLEAF=1STARTWITHr=1CONNECTBYr=PRIOR r+1ORDERBYwarehouse_id; LTRIM(SYS_CONNECT_BY...
3.1.CONNECT BY Example 查询所有员工的上级。 SQL> select e.empno, e.ename, e.mgr from emp e connect by prior e.empno = e.mgr; EMPNO ENAME MGR --- --- --- 7788 SCOTT 7566 7876 ADAMS 7788 7902 FORD 7566 7369 SMITH 7902 7499 ALLEN 7698 7900 JAMES 7698 7844 TURNER 7698 7654 MARTIN...
oracle11g 安装example用户 环境 操作系统:RHEL 6.4 x86_64 DB:oracle 11.2.0.3 一个测试库,在安装建库的时候忘了安装example了,有些时候没有这些用户的话做测试还真不容易,例如没有scott用户,你想做connect by测试,就只能自己建emp表了... 以下是安装example的过程 step1:下载安装包 到http://www.oracle.com...
Easiest to use an example on emp. If we start with "where mgr is NULL", we generate the set of employees that have no mgr (they are the top of the tree). If we CONNECT BY PRIOR EMPNO = /* current */ MGR that will take all of the PRIOR records (the start with at first) and...
"Example: Alter a Propagation Schedule Using PL/SQL (DBMS_AQADM)" "Example: Enable a Propagation Using PL/SQL (DBMS_AQADM)" "Example: Disable a Propagation Using PL/SQL (DBMS_AQADM)" Drop AQ ObjectsCaution: You may need to create queues or queue tables, or start, stop, or enable...
terminated abnormally.Examplesofa dead connection:-Auser reboots/turns-off their machine without logging off or disconnecting from the database.-Anetwork problem prevents communication between the client and the server.In these cases,the shadow process running on the server and the sessioninthe data...
SQL> @mksample oracle oracle oracle oracle oracle oracle oracle oracle EXAMPLE_TBS TEMP空 BISAL(tnsnames.ora配置项) schema创建完成,会自动执行一个校验脚本,显示所有相关的数据字典, ... PROMPTPROMPT All granted roles SELECTgranted_role, granteeFROMdba_role_privs...
457.904141825 tag=TAG20160218T143012 channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:15 channel ORA_DISK_1: starting datafile copy input datafile file number=00005 name=+DATA/testdg/datafile/example.301.904043427 output file name=+DATA/testdgphy/datafile/example.458.904141839 tag=...
CONNECT system/manager;DROP USER aqadm CASCADE;GRANT CONNECT, RESOURCE TO aqadm;CREATE USER aqadm IDENTIFIED BY aqadm;GRANT EXECUTE ON DBMS_AQADM TO aqadm;GRANT Aq_administrator_role TO aqadm;DROP USER aq CASCADE;CREATE USER aq IDENTIFIED BY aq;GRANT CONNECT, RESOURCE TO aq;GRANT EXECUTE ON dbm...
SQL> @mksample oracle oracle oracle oracle oracle oracle oracle oracle EXAMPLE_TBS TEMP 空BISAL(tnsnames.ora配置项) 1. 2. schema创建完成,会自动执行一个校验脚本,显示所有相关的数据字典, ... PROMPT PROMPT All granted roles SELECT granted_role, grantee ...