January 20, 2015 at 8:47 pm
Comments posted to this topic are about the item COUNT NULLs
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January 20, 2015 at 11:44 pm
What does database indicate about nulls being allowed in this table if it is not specified as part of the create table - the insert would fail thus not giving 4 🙂
January 21, 2015 at 12:49 am
Thank you for the post, Steve, nice one.
ww; Raghu
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The first and the hardest SQL statement I have wrote- "select * from customers" - and I was happy and felt smart.
January 21, 2015 at 1:03 am
Nice question. Pretty straightforward after the discussion of the previous COUNT question 😉
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January 21, 2015 at 1:04 am
Tony.l (1/20/2015)
What does database indicate about nulls being allowed in this table if it is not specified as part of the create table - the insert would fail thus not giving 4 🙂
Unless explicitly specified, you need to assume SQL Server defaults, which means NULLs are allowed.
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January 21, 2015 at 2:21 am
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January 21, 2015 at 3:47 am
Thanx 4 the ez question, which is on the contrary of the 1st Count question.
January 21, 2015 at 4:45 am
Nice basic question. thanks for sharing. I assume SQL SERVER default setting discussion wont come in for this QotD but who knows. 🙂
January 21, 2015 at 6:16 am
Koen Verbeeck (1/21/2015)
Tony.l (1/20/2015)
What does database indicate about nulls being allowed in this table if it is not specified as part of the create table - the insert would fail thus not giving 4 🙂Unless explicitly specified, you need to assume SQL Server defaults, which means NULLs are allowed.
Exactly right. Given the previous debate, I think this was a very timely question.
January 21, 2015 at 6:19 am
Hany Helmy (1/21/2015)
Thanx 4 the ez question, which is on the contrary of the 1st Count question.
They aren't contradictory to each other because they were different questions. The debate over the first question is probably why this question was asked. Since the QOTD is about learning, the debate showed a need.
I thought it was easy, but at this moment in time, 76% of the respondents got it right, which means that 24% got it wrong.
January 21, 2015 at 7:27 am
A good (incorrect) alternate answer would be 5. Just to make one think a little harder. 😎
January 21, 2015 at 8:47 am
Easy one for me finally.
January 21, 2015 at 10:21 am
+2 - thanks!
January 21, 2015 at 2:11 pm
Nice question. I've seen some junior developers tripped up by this before.
January 21, 2015 at 2:20 pm
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