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NOT using repository pattern, use the ORM as is (EF)
...stead of constrained to a consistent location creates the EF equivalent of SQL calls in codebehind pages. Every LINQ query is a potential maintenance point in an application, and the more there are (and the more widespread they are), the higher the maintenance costs and risks. Imagine adding a 'de...
Fastest way to count exact number of rows in a very large table?
...r independent solution = use the standard = COUNT(*)
There are approximate SQL Server solutions but don't use COUNT(*) = out of scope
Notes:
COUNT(1) = COUNT(*) = COUNT(PrimaryKey) just in case
Edit:
SQL Server example (1.4 billion rows, 12 columns)
SELECT COUNT(*) FROM MyBigtable WITH (NOLOCK...
Do you use source control for your database items? [closed]
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With Mysql Workbench you can have all that in a structured file(xml) that can be opened and handled with a GUI. Being xml just text, yes it can be versioning without having to type single sql sentence.
– levhi...
How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
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Great tip. I had a 13GB (152.000.000 lines) sql-file, and just using "split -l 1000000" then editing the one million line files where I wanted with vim worked great. Took 10 minutes just to split them. (I tried to open the original file with vim and that worked, but it...
What does an underscore in front of an import statement mean?
I saw this example from sqlite3 on GitHub :
4 Answers
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In JPA 2, using a CriteriaQuery, how to count results
... the number of results and the actual results which I know is analogous to SQL, but which would make this API a lot more OOP-like. Well, at least I can reuse some of the predicates, I guess.
– Sean Patrick Floyd
May 21 '10 at 18:34
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PostgreSQL query to return results as a comma separated list
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SELECT string_agg(id::text, ',') FROM table
Requires PostgreSQL 9.0 but that's not a problem.
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How can I delete a file from a Git repository?
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git filter-branch -f --index-filter 'git rm --cached --ignore-unmatch *.sql'
Note: Replace *.sql with your file name or file type. Be very careful because this will go through every commit and rip this file type out.
EDIT:
pay attention - after this command you will not be able to push or pul...
What is the difference between an ORM and an ODM?
...bject Document Mapper) deals with documents. Am I right in assuming that mySQL is an example of ORM and MongoDB is a example of ODM?
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MySQL - why not index every field?
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The link is for MS SQL Server; this question is for MySQL
– OMG Ponies
Mar 26 '11 at 23:38
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