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Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
...MX file, you will see that none of the entities have an associated storage table in the SSDL.
That changes when you click the Generate Database From Model context menu item. The confusing part is that this action does more than simply generating a DDL script. In fact, it changes the EDMX file to in...
LEFT JOIN only first row
...n…but exactly what I want. In my case, I just want the first ID from the table I'm joining in.
– Drew Stephens
Feb 8 '17 at 20:42
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What's the recommended approach to resetting migration history using Django South?
...ion and fake-applies it (since your database already has the corresponding tables). There's no need to drop all the app tables during the process.
Here's what I'm doing on my dev + production server when I need to get rid of all these unneeded dev migrations:
Make sure we have the same DB sche...
PHP MySQL Google Chart JSON - Complete Example
...hed a lot to find a good example for generating a Google Chart using MySQL table data as the data source. I searched for a couple of days and realised that there are few examples available for generating a Google Chart (pie, bar, column, table) using a combination of PHP and MySQL. I finally managed...
SQL Server - where is “sys.functions”?
...ECT *
FROM sys.objects
WHERE type IN ('FN', 'IF', 'TF') -- scalar, inline table-valued, table-valued
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How to show multiline text in a table cell
I want to show a paragraph from database into a table cell.
10 Answers
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C# switch statement limitations - why?
...a CIL switch statement which is indeed a constant time branch using a jump table. However, in sparse cases as pointed out by Ivan Hamilton the compiler may generate something else entirely.
This is actually quite easy to verify by writing various C# switch statements, some sparse, some dense, and ...
MySQL indexes - what are the best practices?
...going on.
Broadly speaking, an index imposes an ordering on the rows of a table.
For simplicity's sake, imagine a table is just a big CSV file. Whenever a row is inserted, it's inserted at the end. So the "natural" ordering of the table is just the order in which rows were inserted.
Imagine y...
What's the best way to store co-ordinates (longitude/latitude, from Google Maps) in SQL Server?
I'm designing a table in SQL Server 2008 that will store a list of users and a Google Maps co-ordinate (longitude & latitude).
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What are database normal forms and can you give examples? [closed]
...y normalization, which is a process of organizing columns (attributes) and tables (relations) to reduce data redundancy and improve data integrity. (as written on Wikipedia ).
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