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...
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...
selectTABLESPACE_NAME,BLOCK_SIZE,CONTENTS,STATUSfrom dba_tablespaces where tablespace_name notin('SYSTEM','SYSAUX','UNDOTBS1','TEMP','EXAMPLE');select owner,tablespace_name,count(*)from dba_segments where tablespace_name notin('SYSTEM','SYSAUX','UNDOTBS1','TEMP','EXAMPLE')group by owner,ta...
"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...
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...
Oracle Instant Client Free, light-weight, and easily installed Oracle Database tools, libraries and SDKs Oracle Instant Client enables development and deployment of applications that connect to Oracle Database, either on-premise or in the Cloud. The Instant Client libraries provide the necessary ...
Connect and extend Oracle SaaS applications, such as Enterprise Resource Planning (ERP) and Human Capital Management (HCM), to easily deliver capabilities that uniquely meet your requirements. Continuous integration and delivery (CI/CD) with Functions ...
Oracle PL/SQL example:select UserID, FirstName, LastName from Users WHERE UserTypeID = 5 CONNECT BY PRIOR UserID = ParentID START WITH UserID = 2320 ORDER BY LastNameSQL Server T-SQL code:WITH N (Userid, FirstName, LastName, UserTypeID) AS ( SELECT UserID, FirstName, Last...