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Oracle 多行数据合并成一行数据

方法一 SQL> WITH SHOPPING AS 2 ( 3 SELECT '1' U_ID, '苹果' GOODS, '2' QTY FROM DUAL UNION ALL 4 SELECT '2' U_ID, '梨子' GOODS, '5' QTY FROM DUAL UNION ALL 5 SELECT '1' U_ID, ...

Oracle 行转列 WM_CONCAT SYS_CONNECT_BY_PATH

bada130 评论(0) 有3090人浏览 2015-07-29 17:05

SYS_CONNECT_BY_PATH 用法

SQL> SELECT DEPTNO, SUBSTR(MAX(SYS_CONNECT_BY_PATH(ENAME, '/')), 2) PATH 2 FROM ( 3 SELECT ENAME, DEPTNO, ROW_NUMBER() OVER (PARTITION BY DEPTNO ORDER BY EMPNO) RN 4 ...

SYS_CONNECT_BY_PATH Oracle 窗口函数

bada130 评论(0) 有1447人浏览 2015-04-15 16:18

connect by 例子（转）

原文地址：http://blog.163.com/termie_gongzhen/blog/static/1200243362009516114844293/?fromdm&fromSearch&isFromSearchEngine= connect by 例子 2009-06-16 11:48:44| 分类： IT技术 | 标签： |举报 |字号大中小订阅层次查询 ...

CONNECT BY SYS_CONNECT_BY_PATH oracle

gxsenjoy 评论(0) 有580人浏览 2014-10-16 11:50

oracle 树结构查询

SELECT RPAD(' ', 4 * (LEVEL-1), '--') || name as name, CONNECT_BY_ROOT name "ROOT", CONNECT_BY_ISLEAF "ISLEAF", LEVEL, t.*, SYS_CONNECT_BY_PATH(t. ...

connect by connect_by_root sys_connect_by_path

lovexz365 评论(0) 有1023人浏览 2012-11-18 14:47

sys_connect_by_path用法（一个select语句中多条数据拼成一条数据）

创建表 create table demoTable( id number , content varchar2(30) ); 测试数据 insert into demotable (ID, CONTENT) values (1, 'content1'); insert into demotable (ID, CONTENT) values (1, 'co ...

oracle sys_connect_by_path 合并 rownum

maziheng 评论(0) 有2664人浏览 2012-08-16 09:47

oracle_sql递归查询积累

一、start with.....connect by递归查询建表语句： CREATE TABLE D_ZONECODE ( ID VARCHAR2(36) NOT NULL UNIQUE, ZONECODE VARCHAR2(6) NOT NULL, SUPERCODE VARCHAR2(6) NOT NULL, ZONELLEVEL VARCHAR2(2) NOT ...

oracle sys_connect_by_path CONNECT_BY_ROOT start with.....connect by

laoli5290 评论(2) 有6940人浏览 2012-06-18 17:25

Oracle中使用sys_connect_by_path函数实现行转列

表结构及数据展现要实现的效果实现sql： select booktype ,MAX(sys_connect_by_path(t.bookname, '')) as bookname from( select a.booktype,a.bookname,row_number() over(PARTITION BY booktype ORDER BY bookname) as r ...

sys_connect_by_path 行转列

no_bao 评论(0) 有1942人浏览 2011-12-30 09:17

SYS_CONNECT_BY_PATH函数的用法

1、脚本 create table T_TREE( S_ID NUMBER, F_ID NUMBER, S_NAME VARCHAR2(20) ); comment on column T_TREE.S_ID is '本节点ID'; comment on column T_TREE.F_ID is '父节点ID'; comment on column ...

oracle SYS_CONNECT_BY_PATH 函数树 tree

maziheng 评论(0) 有1220人浏览 2011-09-26 16:39

Oracle函数:sys_connect_by_path

Oracle函数:sys_connect_by_path 主要用于树查询(层次查询) 以及多列转行。其语法一般为： select ... sys_connect_by_path(column_name,'connect_symbol') from table start with ... connect by ... prior 依托于该语法，我们可以将一个表 ...

oracle function sys_connect_by_path

Jimmy.Duan 评论(0) 有2390人浏览 2011-07-19 15:43

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