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SQLite UPSERT / UPDATE OR INSERT
... at this code:
INSERT INTO players (id, name, age)
VALUES (
coalesce((select id from players where user_name='steven'),
(select max(id) from drawings) + 1),
32)
The trick is in coalesce. It returns the id of the user 'steven' if any, and otherwise, it returns a new fresh id.
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Hidden Features of Visual Studio (2005-2010)?
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Make a selection with ALT pressed - selects a square of text instead of whole lines.
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answered Sep 19 ...
Difference between timestamps with/without time zone in PostgreSQL
...inations of those factors:
foo=> SET TIMEZONE TO 'Japan';
SET
foo=> SELECT '2011-01-01 00:00:00'::TIMESTAMP;
timestamp
---------------------
2011-01-01 00:00:00
(1 row)
foo=> SELECT '2011-01-01 00:00:00'::TIMESTAMP WITH TIME ZONE;
timestamptz
--------------------...
“Unresolved inclusion” error with Eclipse CDT for C standard library headers
...lipse, you open the Properties of your project, expand "C/C++ General" and select "Paths and Symbols".
Make sure you have added the include dir for each language you are using. (In my case, I needed to just add it to GNU C++.)
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LINQ: “contains” and a Lambda query
...Here is how you can use Contains to achieve what you want:
buildingStatus.Select(item => item.GetCharValue()).Contains(v.Status) this will return a Boolean value.
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Printing object properties in Powershell
...ete Method void Delete()
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$pool | Select-Object -Property * # You can omit -Property
name : .NET v4.5
queueLength : 1000
autoStart : True
enable32BitAppOnWin64 : False
managedRuntimeVersion ...
How to Select Every Row Where Column Value is NOT Distinct
I need to run a select statement that returns all rows where the value of a column is not distinct (e.g. EmailAddress).
7 A...
jQuery: Get selected element tag name
... be helpful when comparing prop('tagName') result to a tag name. if($("my_selector").prop("tagName").toLowerCase() == 'div') or if($("my_selector").prop("tagName").toUpperCase() == 'DIV')
– S.Thiongane
Jun 4 '14 at 14:39
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How to set variable from a SQL query?
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Using SELECT:
SELECT @ModelID = m.modelid
FROM MODELS m
WHERE m.areaid = 'South Coast'
Using SET:
SET @ModelID = (SELECT m.modelid
FROM MODELS m
WHERE m.areaid = 'South Coast')
See this...
OR is not supported with CASE Statement in SQL Server
...sions anywhere in the SQL queries. CASE expressions can be used within the SELECT statement, WHERE clauses, Order by clause, HAVING clauses, Insert, UPDATE and DELETE statements.
A CASE expression has the following two formats:
Simple CASE expression
CASE expression
WHEN expression1 THEN Result1...