[摘要] 原文：http://www.oracle.com/technetwork/issue-archive/2013/13-jan/o13asktom-1886639.htmlI have a question about joining with collections and cardinality [全文]
[摘要] 首先，创建一个员工表，sql语句如下：CREATE TABLE employee( id NUMBER(4), name VARCHAR2(20) NOT NULL, gender CHAR(1) DEFAULT M, birth DATE, salary NUMBER(6,2), co[全文]
