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Repository Pattern Step by Step Explanation [closed]
...objects, is safely contained in the repository.
Very often, you will find SQL queries scattered in the codebase and when you come to add a column to a table you have to search code files to try and find usages of a table. The impact of the change is far-reaching.
With the repository pattern, you w...
Entity Framework with NOLOCK
... READ UNCOMMITTED;");
http://msdn.microsoft.com/en-us/library/aa259216(v=sql.80).aspx
With this technique, we were able to create a simple EF provider that creates the context for us and actually runs this command each time for all of our context so that we're always in "read uncommitted" by defa...
Using a .php file to generate a MySQL dump
...he output to the PHP script -- no need for the PHP script to get the whole SQL dump as a string : you only need it written to a file, and this can be done by the command itself.
That external command will :
be a call to mysqldump, with the right parameters,
and redirect the output to a file.
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Is it possible to use raw SQL within a Spring Repository
I need to use raw SQL within a Spring Data Repository, is this possible? Everything I see around @Query is always entity based.
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How do I restore a dump file from mysqldump?
I was given a MySQL database file that I need to restore as a database on my Windows Server 2008 machine.
17 Answers
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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
..., SELECT col1, col2 from sometable).
ExecuteNonQuery is typically used for SQL statements without results (e.g., UPDATE, INSERT, etc.).
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How to perform better document version control on Excel files and SQL schema files
I am in charge of several Excel files and SQL schema files. How should I perform better document version control on these files?
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Query to list number of records in each table in a database
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If you're using SQL Server 2005 and up, you can also use this:
SELECT
t.NAME AS TableName,
i.name as indexName,
p.[Rows],
sum(a.total_pages) as TotalPages,
sum(a.used_pages) as UsedPages,
sum(a.data_pages) as Data...
How to combine two strings together in PHP?
...o one mentioned this but there is other possibility. I'm using it for huge sql queries. You can use .= operator :)
$string = "the color is ";
$string .= "red";
echo $string; // gives: the color is red
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MySQL/SQL: Group by date only on a Datetime column
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Are you sure the second one works? On SQL Server, this fails, and it fails for a good reason. I would expect it to fail anywhere else as well. Can you confirm that MySQL actually handles this query?
– Tomalak
Dec 14 '08 at 1...