oracle创建表空间出现错误提示ORA-00900：无效SQL语句，下面是代码 哪位大侠帮忙看下怎么回事 十分感谢~

create tablespace test_jjb datafile 'd:\dtmp\test_tablespace_jjb.dbf' size 188M autoextend off

EXECUTE IMMEDIATE -- 用法例子

1. 在PL/SQL运行DDL语句

begin

execute immediate 'set role all'

end

2. 给动态语句传值(USING 子句)

declare

l_depnam varchar2(20) := 'testing'

l_loc varchar2(10) := 'Dubai'

begin

execute immediate 'insert into dept values (:1, :2, :3)'

using 50, l_depnam, l_loc

commit

end

3. 从动态语句检索值(INTO子句)

declare

l_cnt varchar2(20)

begin

execute immediate 'select count(1) from emp'

into l_cnt

dbms_output.put_line(l_cnt)

end

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