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Difference between natural join and inner join
...INNER JOIN and NATURAL JOIN is the number of columns returned.
Consider:
TableA TableB
+------------+----------+ +--------------------+
|Column1 | Column2 | |Column1 | Column3 |
+-----------------------+ +--------------------+
| 1 ...
How do I change db schema to dbo
I imported a bunch of tables from an old sql server (2000) to my 2008 database. All the imported tables are prefixed with my username, for example: jonathan.MovieData . In the table properties it lists jonathan as the db schema. When I write stored procedures I now have to include jonathan....
Include headers when using SELECT INTO OUTFILE?
...e2', 'ColName3'
UNION ALL
SELECT ColName1, ColName2, ColName3
FROM YourTable
INTO OUTFILE '/path/outfile'
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...
vertical align middle in
...s, so in that case you can wrap your text using span and than use display: table-cell; and display: table; along with vertical-align: middle;, also don't forget to use width: 100%; for #abc
Demo
#abc{
font:Verdana, Geneva, sans-serif;
font-size:18px;
text-align:left;
background-color:#0F0;...
How to make CSS width to fill parent?
...ose three different elements all have different rendering rules.
So for:
table#bar you need to set the width to 100% otherwise it will be only be as wide as it determines it needs to be. However, if the table rows total width is greater than the width of bar it will expand to its needed width. IF ...
LINQ Using Max() to select a single row
...
I don't see why you are grouping here.
Try this:
var maxValue = table.Max(x => x.Status)
var result = table.First(x => x.Status == maxValue);
An alternate approach that would iterate table only once would be this:
var result = table.OrderByDescending(x => x.Status).First();
...
Unable to update the EntitySet - because it has a DefiningQuery and no element exis
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Entity Set is mapped from Database view
A custom Database query
Database table doesn't have a primary key
After doing so, you may still need to update in the Entity Framework designer (or alternatively delete the entity and then add it) before you stop getting the error.
...
schema builder laravel migrations unique on two columns
...array as the first param to create a unique key across multiple columns.
$table->unique(array('mytext', 'user_id'));
or (a little neater)
$table->unique(['mytext', 'user_id']);
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Django South - table already exists
...
since you already have the tables created in the database, you just need to run the initial migration as fake
./manage.py migrate myapp --fake
make sure that the schema of models is same as schema of tables in database.
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Optimise PostgreSQL for fast testing
...s should always be followed; see the version policy.
Don'ts
Do NOT put a tablespace on a RAMdisk or other non-durable storage.
If you lose a tablespace the whole database may be damaged and hard to use without significant work. There's very little advantage to this compared to just using UNLOGGED...