March 2001
Intermediate to advanced
640 pages
14h 9m
English
book
Sams Teach Yourself Transact-SQL in 21 Days, Second Edition
by Lowell Mauer, David Solomon, Bennett McEwan
Content preview from Sams Teach Yourself Transact-SQL in 21 Days, Second Edition
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Day 2
Quiz
| 1: | Can you use wildcards with IN, as in this example?
select ProductName, UnitPrice
from Products
where ProductName in ('%tofu%', '%cereal%', '%grain%') |
| A1: | No. The server will treat the wildcards (% characters) as literal characters and will try to find products whose name is literally '%tofu%' or '%cereal%'. To combine multiple wildcard searches, use OR to connect LIKE clauses:
select ProductName, UnitPrice
from Products
where ProductName like '%tofu%'
or ProductName like '%cereal%'
or ProductName like '%grain%' |
| 2: | When do you need to group conditions using parentheses? |
| A2: | Parentheses are required when your WHERE clause consists of more than two conditions and there is a combination of OR and AND conjunctions. |
| 3: | In this query, is the ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.