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INSERT IF NOT EXISTS ELSE UPDATE?
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330
Have a look at http://sqlite.org/lang_conflict.html.
You want something like:
insert or repl...
What is SYSNAME data type in SQL Server?
...eople using it?) the built in type of sysname is the equivalent of varchar(30)
Documentation
sysname is defined with the documentation for nchar and nvarchar, in the remarks section:
sysname is a system-supplied user-defined data type that is functionally equivalent to nvarchar(128), except t...
Weird “[]” after Java method signature
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answered Jan 15 '11 at 11:35
Mehrdad AfshariMehrdad Afshari
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Simultaneously merge multiple data.frames in a list
...question was marked as a duplicate of this one so I answer here, using the 3 sample data frames below:
x <- data.frame(i = c("a","b","c"), j = 1:3, stringsAsFactors=FALSE)
y <- data.frame(i = c("b","c","d"), k = 4:6, stringsAsFactors=FALSE)
z <- data.frame(i = c("c","d","a"), l = 7:9, stri...
Open the file in universal-newline mode using the CSV Django module
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mohdmohd
2,61622 gold badges1313 silver badges1717 bronze badges
2
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How to use mysql JOIN without ON condition?
... with three rows ('a', 'b', and 'c') and a table with four rows (say 1, 2, 3, 4) would have 12 rows.
In practice, if you want to do a cross join, then use cross join:
from A cross join B
is much better than:
from A, B
and:
from A join B -- with no on clause
The on clause is required for a ...
How to use SQL Order By statement to sort results case insensitive?
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3 Answers
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unresolved reference to object [INFORMATION_SCHEMA].[TABLES]
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3 Answers
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
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As per the documentation: This allows you to switch from the default ASCII to other encodings su...
Finding which process was killed by Linux OOM killer
...sed on some heuristics (it's an interesting read: http://lwn.net/Articles/317814/ ).
4 Answers
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