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How to find gaps in sequential numbering in mysql?
...r
Here's version that works on table of any size (not just on 100 rows):
SELECT (t1.id + 1) as gap_starts_at,
(SELECT MIN(t3.id) -1 FROM arrc_vouchers t3 WHERE t3.id > t1.id) as gap_ends_at
FROM arrc_vouchers t1
WHERE NOT EXISTS (SELECT t2.id FROM arrc_vouchers t2 WHERE t2.id = t1.id + ...
Is module __file__ attribute absolute or relative?
I'm having trouble understanding __file__ . From what I understand, __file__ returns the absolute path from which the module was loaded.
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How to set selected value on select using selectpicker plugin from bootstrap
I'm using the Bootstrap-Select plugin like this:
18 Answers
18
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SQL Server: SELECT only the rows with MAX(DATE)
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If rownumber() over(...) is available for you ....
select OrderNO,
PartCode,
Quantity
from (select OrderNO,
PartCode,
Quantity,
row_number() over(partition by OrderNO order by DateEntered desc) as rn
from YourTable) a...
Is there a way to automate the android sdk installation?
... or its parts, even if something has been modified
-u --no-ui Updates from command-line (does not display the GUI)
-o --obsolete Installs obsolete packages
-t --filter A filter that limits the update to the specified types of packages in the form of
a comma-separated list ...
What do pty and tty mean?
...e, where you needed something that acted like a terminal but could be used from another program.
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jQuery Get Selected Option From Dropdown
Usually I use $("#id").val() to return the value of the selected option, but this time it doesn't work.
The selected tag has the id aioConceptName
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Why is SELECT * considered harmful?
Why is SELECT * bad practice? Wouldn't it mean less code to change if you added a new column you wanted?
15 Answers
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How to declare a variable in MySQL?
...at has not been
initialized, it has a value of NULL and a type of string.
SELECT @var_any_var_name
You can initialize a variable using SET or SELECT statement:
SET @start = 1, @finish = 10;
or
SELECT @start := 1, @finish := 10;
SELECT * FROM places WHERE place BETWEEN @start AND @finish...
How to select unique records by SQL
When I perform "SELECT * FROM table" I got results like below:
8 Answers
8
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