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           Create table xs_jsj as select * from xs where zym=’¼ÆËã»ú’;
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¡¡¡¡¡¡¡¡¡¡ Create table test (xm char(20) not null,zy varchar(30) default (‘¼ÆËã»ú’));
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                create table DEPT
                                (
                                    DEPTNO NUMBER(2) not null,
                                    DNAME VARCHAR2(14),
                                    LOC    VARCHAR2(13)
                                  )
                                tablespace USERS
                


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SQL> desc test;
Name     Type          Nullable Default Comments
------- ------------ -------- ------- --------
COUNTRY VARCHAR2(20) Y       &nb ......

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Oracle 1z0 047 Exam


Exam Number/Code : 1z0-047
Exam Name : Oracle Database SQL Expert
Questions and Answers : 278 Q&As
Update Time: 2010-04-15
1. Which two statements are true regarding the execution of the correlated subqueries? (Choose two.)
A. The nested query executes after the outer query returns th ......
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