大约有 3,568 项符合查询结果(耗时:0.0130秒) [XML]

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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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“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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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 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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Check for changes to an SQL Server table?

How can I monitor an SQL Server database for changes to a table without using triggers or modifying the structure of the database in any way? My preferred programming environment is .NET and C#. ...
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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 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? ...
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Java and SQLite [closed]

...se provides. What driver/connector library is out there to connect and use SQLite with Java. 10 Answers ...
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psql invalid command \N while restore sql

... Postgres uses "\N" as substitute symbol for NULL value. But all psql commands starts by backslash "\" symbol. So you can get this messages, when probably copy statement fails, but a loading of dump continues. This message is only false alarm. You have to search a lines before for reason wh...