大约有 3,551 项符合查询结果(耗时:0.0150秒) [XML]

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How to convert float to varchar in SQL Server

...number is CONVERT (VARCHAR(50), float_field,128) See http://www.connectsql.com/2011/04/normal-0-microsoftinternetexplorer4.html The other solutions above will sometimes round or add digits at the end UPDATE: As per comments below and what I can see in https://msdn.microsoft.com/en-us/library/m...
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How Do I Get the Query Builder to Output Its Raw SQL Query as a String?

... Use the toSql() method on a QueryBuilder instance. DB::table('users')->toSql() would return: select * from `users` This is easier than wiring up an event listener, and also lets you check what the query will actually look lik...
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What is an ORM, how does it work, and how should I use one? [closed]

...that encapsulates the code needed to manipulate the data, so you don't use SQL anymore; you interact directly with an object in the same language you're using. For example, here is a completely imaginary case with a pseudo language: You have a book class, you want to retrieve all the books of whic...
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Best way to work with dates in Android SQLite [closed]

...having some trouble working with dates on my Android application that uses SQLite. I have a couple questions: 9 Answers ...
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How to COUNT rows within EntityFramework without loading contents?

...electMany(o => o.MyTable) .Count() Both generate the same SQL query. share | improve this answer | follow | ...
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Why use the SQL Server 2008 geography data type?

...ing for the order of each point and another column for grouping of lines. SQL Server also has methods for the Geography data types which include calculating Area, Boundary, Length, Distances, and more. It seems unwise to store Latitude and Longitude as Decimal in Sql Server. Update 2 If you plan...
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How to convert DateTime to VarChar

I am working on a query in Sql Server 2005 where I need to convert a value in DateTime variable into a varchar variable in yyyy-mm-dd format (without time part). How do I do that? ...
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MySQL Server has gone away when importing large sql file

I tried to import a large sql file through phpMyAdmin...But it kept showing error 19 Answers ...
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“The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine” Error in importing

I have a 64 bit windows 7 and SQLServer 2008 R2 (64 bit) 6 Answers 6 ...
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How do I turn on SQL debug logging for ActiveRecord in RSpec tests?

I have some RSpec tests for my models and I would like to turn on SQL ActiveRecord logging just like I see in the Rails server mode. How to do that? ...