|See overview for INET 3350: Ruby, Rails, and Web Development|
|See syllabus for tentative schedule|
<title>element should be closed after the word
</title>(note the forward slash). The reason this is a bit of a trick question is because validity depends to some extent on the version of the browser. This particular example is HTML5, which will work in newer versions of Chrome, Safari, and Internet Explorer.
idcolumn must be unique.
left joinmeans: Make sure that all rows “on the left” (i.e., from the
subscriberstable) are represented in the result. In this case, even though user
2(Ali) doesn’t have an address, he should appear in the result set. Therefore, result (B) is correct. A “natural join” would provide the result in (A).
Back to the questions