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SQL set values of one column equal to values of another column in the same table
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20
I would do it this way:
UPDATE YourTable SET B = COALESCE(B, A);
COALESCE is a function that...
How to properly handle a gzipped page when using curl?
...lag is required.
– rjh
Jan 8 '19 at 20:06
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When increasing the size of VARCHAR column on a large table could there be any problems?
I'm using SQL Server 2008 and I need to make a VARCHAR field bigger, from (200 to 1200) on a table with about 500k rows. What I need to know is if there are any issues I have not considered.
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Compare dates in MySQL
...an try below query,
select * from players
where
us_reg_date between '2000-07-05'
and
DATE_ADD('2011-11-10',INTERVAL 1 DAY)
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Incompatible implicit declaration of built-in function ‘malloc’
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– Christos Karapapas
Nov 5 '18 at 20:17
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TypeScript type signatures for functions with variable argument counts
... RestParameter
– A. M.
Oct 8 '12 at 20:21
@PulsarBlow Ah, I wasn't familiar with them being called Rest Parameters. Th...
What makes a SQL statement sargable?
... a function in the where clause:
SELECT ... FROM ...
WHERE Year(myDate) = 2008
The SQL optimizer can't use an index on myDate, even if one exists. It will literally have to evaluate this function for every row of the table. Much better to use:
WHERE myDate >= '01-01-2008' AND myDate < '01-...
django 1.5 - How to use variables inside static tag
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edited Apr 26 '14 at 20:16
Barney Szabolcs
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How to show method parameter tooltip in C#?
VS2010:
4 Answers
4
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jQuery posting JSON
...lization.
– Kyle Wild
Sep 17 '12 at 20:00
Patrioticcow said: "what if i want to send the json from var value" Unless t...