I'm new to SqlServer, right now I have SqlLocalDb installed to work locally. Good, but I can see two connection strings typically and both works: ...

...xpression. PS your fears seem unfounded. In this simple example at least, SQL Server is smart enough to only perform the calculation once, even though you've referenced it twice. Go ahead and compare the plans; you'll see they're identical. If you have a more complex case where you see the expressi...

...ying to create a database connection using LINQ. First I add a new LINQ to SQL class, and drag my table called "tblPersoon" into it. ...

...dex on score. Starting with version 8.4, you can also use the standard (SQL:2008) fetch first select * from scores order by score desc fetch first 10 rows only As @Raphvanns pointed out, this will give you the first 10 rows literally. To remove duplicate values, you have to select distinct r...

...or an example ->orderBy('a.fist_name ASC, a.last_name ASC') will output SQL something like this 'ORDER BY first_name ASC, last_name ASC ASC'. So this is SQL syntax error. Simply because default of the orderBy or addOrderBy is 'ASC'. To add multiple order by's you need to use 'add' function. And...

...求，可以用xss-nginx-module来搞定。 关于激活SRCache前后的性能对比，视环境的不同会有所差异，不过绝对是数量级的提升，更重要的是这一切对业务层完全透明，别愣着了，快试试吧！ Nginx SRCache 缓存

... What's the point of using an ORM if we end up coding SQL anyway? – thermz Apr 17 '12 at 15:35 Th...

...em to be any way of specifying an index in the CREATE TABLE syntax. PostgreSQL does however create an index for unique constraints and primary keys by default, as described in this note: PostgreSQL automatically creates an index for each unique constraint and primary key constraint to enforce un...

... "name like 'microsoft visual%'" call uninstall /nointeractive Repeat for SQL etc by replacing visual% in above command with sql. share | improve this answer | follow ...

...on methods (e.g. Select, Where), the lambda function might be converted to SQL that might not behave identically to your C# code. For instance, C#'s short-circuit evaluated && and || are converted to SQL's eager AND and OR. This can cause problems when you're checking for null in your lambda...