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How do you list all triggers in a MySQL database?
...w triggers;
or you can access the INFORMATION_SCHEMA table directly by:
select trigger_schema, trigger_name, action_statement
from information_schema.triggers
You can do this from version 5.0.10 onwards.
More information about the TRIGGERS table is here.
...
How to use SQL Order By statement to sort results case insensitive?
...You can just convert everything to lowercase for the purposes of sorting:
SELECT * FROM NOTES ORDER BY LOWER(title);
If you want to make sure that the uppercase ones still end up ahead of the lowercase ones, just add that as a secondary sort:
SELECT * FROM NOTES ORDER BY LOWER(title), title;
...
unresolved reference to object [INFORMATION_SCHEMA].[TABLES]
...database reference to master:
Under the project, right-click References.
Select Add database reference....
Select System database.
Ensure master is selected.
Press OK.
Note that it might take a while for VS to update.
sh...
Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...ollowed to solve the problem as following:
Right click on the edmx file, select Open with, XML editor
Locate the entity in the edmx:StorageModels element
Remove the DefiningQuery entirely
Rename the store:Schema="dbo" to Schema="dbo" (otherwise, the code will generate an error saying the name is i...
C++ performance vs. Java/C#
...se method (from string to T), or an efficient equivalent of boost::lexical_cast in C# to understand the problem)
RAII remains unmatched (GC still can leak (yes, I had to handle that problem) and will only handle memory. Even C#'s using is not as easy and powerful because writing a correct Dispose im...
INNER JOIN vs LEFT JOIN performance in SQL Server
...(ID, Name) VALUES (4, 'Four')
INSERT #Test2 (ID, Name) VALUES (5, 'Five')
SELECT *
FROM #Test1 t1
INNER JOIN #Test2 t2
ON t2.Name = t1.Name
SELECT *
FROM #Test1 t1
LEFT JOIN #Test2 t2
ON t2.Name = t1.Name
DROP TABLE #Test1
DROP TABLE #Test2
If you run this and view the execution plan, you'll se...
What is sr-only in Bootstrap 3?
...span></a></b></li>
</ul>
You see which one is selected (sr-only part is hidden):
Default
Static top
Fixed top
You hear which one is selected if you use screen reader:
Default
Static top
Fixed top (current)
As a result of this technique blind people supposed to na...
How long is the SHA256 hash?
...
you can use this select statement to test it: SELECT length(to_base64(unhex(sha2('say hello to my little friend',256)))) , it is always 44 whatever the length of original string is.
– DrAhmedJava
Apr 9 '...
How to get the list of all printers in computer
...ement API to query them:
var printerQuery = new ManagementObjectSearcher("SELECT * from Win32_Printer");
foreach (var printer in printerQuery.Get())
{
var name = printer.GetPropertyValue("Name");
var status = printer.GetPropertyValue("Status");
var isDefault = printer.GetPropertyValue("...
How do I change the color of radio buttons?
...self consists of a round shape and a dot at the center (when the button is selected). What I want to change is the color of both. Can this be done using CSS?
...