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SQL DELETE with INNER JOIN
There are 2 tables, spawnlist and npc , and I need to delete data from spawnlsit .
npc_templateid = n.idTemplate is the only thing that "connect" the tables.
I have tried this script but it doesn't work.
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Retrieve the maximum length of a VARCHAR column in SQL Server
I want to find the longest VARCHAR in a specific column of a SQL Server table.
10 Answers
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
...where I was needing to update records in a many to many with a custom join table in a disconnected app. Even with the entity grabbed from the database, I was getting referential errors, etc. I was using "context.Entry(score).State = System.Data.Entity.EntityState.Modified;" but this finally worked...
T-SQL split string
...CTION dbo.splitstring ( @stringToSplit VARCHAR(MAX) )
RETURNS
@returnList TABLE ([Name] [nvarchar] (500))
AS
BEGIN
DECLARE @name NVARCHAR(255)
DECLARE @pos INT
WHILE CHARINDEX(',', @stringToSplit) > 0
BEGIN
SELECT @pos = CHARINDEX(',', @stringToSplit)
SELECT @name = SUBSTRING(@strin...
How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
I have a innoDB table which records online users. It gets updated on every page refresh by a user to keep track of which pages they are on and their last access date to the site. I then have a cron that runs every 15 minutes to DELETE old records.
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Bootstrap 3.0 - Fluid Grid that includes Fixed Column Sizes
...
or use display property with table-cell;
css
.table-layout {
display:table;
width:100%;
}
.table-layout .table-cell {
display:table-cell;
border:solid 1px #ccc;
}
.fixed-width-200 {
width:200px;
}
html
<div class="table-layou...
Printing Lists as Tabular Data
...e 24
Bob 19
tabulate has many options to specify headers and table format.
print(tabulate([['Alice', 24], ['Bob', 19]], headers=['Name', 'Age'], tablefmt='orgtbl'))
| Name | Age |
|--------+-------|
| Alice | 24 |
| Bob | 19 |
2. PrettyTable: https://pypi.python.org/...
A migration to add unique constraint to a combination of columns
...o apply unique constraint to a combination of columns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique.
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In SQL, what's the difference between count(column) and count(*)?
...column) does not
[edit] added this code so that people can run it
create table #bla(id int,id2 int)
insert #bla values(null,null)
insert #bla values(1,null)
insert #bla values(null,1)
insert #bla values(1,null)
insert #bla values(null,1)
insert #bla values(1,null)
insert #bla values(null,null)
se...
Setting DIV width and height in JavaScript
... </div>
<div id="div_register">
<table>
<tr>
<td>
welcome
</td>
</tr>
</table>
</div>
</body>
<...