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The model backing the context has changed since the database was created
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Just run the followng sql command in SQL Server Management Studio:
delete FROM [dbo].[__MigrationHistory]
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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
The problem Im facing while trying to connect to database for mysql. I have also given the database settings that i have used.
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How do I do top 1 in Oracle?
... 1. I've even tried it in an OUTER APPLY instruction and it worked like Ms-SQL's TOP function there.
– Rafael Merlin
Nov 6 '15 at 19:01
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How to truncate milliseconds off of a .NET DateTime
... compare a time stamp from an incoming request to a database stored value. SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it includes those milliseconds. The incoming request to the system, however, does not offer that precision, so I need ...
Using column alias in WHERE clause of MySQL query produces an error
... use column aliases in GROUP BY, ORDER BY, or HAVING clauses.
Standard SQL doesn't allow you to
refer to a column alias in a WHERE
clause. This restriction is imposed
because when the WHERE code is
executed, the column value may not yet
be determined.
Copied from MySQL documentation
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What is the best collation to use for MySQL with PHP? [closed]
I'm wondering if there is a "best" choice for collation in MySQL for a general website where you aren't 100% sure of what will be entered? I understand that all the encodings should be the same, such as MySQL, Apache, the HTML and anything inside PHP.
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Alternate output format for psql
I am using PostgreSQL 8.4 on Ubuntu. I have a table with columns c1 through cN . The columns are wide enough that selecting all columns causes a row of query results to wrap multiple times. Consequently, the output is hard to read.
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CodeIgniter: Create new helper?
...n(){
$ci=& get_instance();
$ci->load->database();
$sql = "select * from table";
$query = $ci->db->query($sql);
$row = $query->result();
}
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How to get next/previous record in MySQL?
...ng that a primary key colum is not meant as a column to sort by, because MySQL does not guarantee that higher, auto incremented, values are necessarily added at a later time.
If you don't care about this, and simply need the record with a higher (or lower) id then this will suffice. Just don't use ...
How to round an average to 2 decimal places in PostgreSQL?
I am using PostgreSQL via the Ruby gem 'sequel'.
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