小编umm*_*yth的帖子

当有人将鼠标悬停在文本上时,我希望文本完全改变.我发现在线代码应该可行,但事实并非如此.有什么建议？

<span class="show">
     <p>if {&nbsp;<br /></p>
     <p>yourSite < awesome;&nbsp;<br /></p>
     <p>solution = aislingDouglas (HTML5 + CSS3 +&nbsp;<br /></p>
     <p>JavaScript + PHP);&nbsp;<br /></p>
     <p>}&nbsp;<br /></p>
     <p>else {&nbsp;<br /></p>
     <p>solution = null;&nbsp;<br /></p>
     <p>}&nbsp;</p>
 </span>

 <span class="noshow">
     <p>Need a website? &nbsp;<br /></p>
     <p>You found your dream developer!&nbsp;<br /></p>
     <p>And hey - I already helped you on the web,&nbsp;<br /></p>
     <p>why not let me help you&nbsp;<br /></p>
     <p>build an amazing site!&nbsp;<br /></p>
 </span>

这是CSS:

.noshow, p:hover .show { display: none }
p:hover .noshow …

我一直得到CREATE TABLE语法错误,但我没有看到错误!是什么导致错误？

我的SQL:

CREATE TABLE my_employee
(
employee_id INTEGER PRIMARY KEY NOT NULL,
first_name VARCHAR(25) NOT NULL,
last_name VARCHAR(30) NOT NULL,
address VARCHAR(10) NOT NULL,
birthdate DATE,
salary NUMERIC(8,2) DEFAULT 15000,
marital_status CHAR(1)
);