大约有 3,558 项符合查询结果（耗时：0.0250秒） [XML]
Check whether a string is not null and not empty
...sn't handle all cases where is not allowing null makes sense (although for SQL I can understand as SQL/HQL is weird about '').
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WHERE vs HAVING
...f (for example select 1 as "number" ) after HAVING and not WHERE in MySQL?
7 Answers
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How to declare a variable in a PostgreSQL query
How do I declare a variable for use in a PostgreSQL 8.3 query?
12 Answers
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How to compare only date components from DateTime in EF?
...s related to LINQ to Entities who is unable to convert .Date property into SQL.
– Michaël Carpentier
Jan 30 '13 at 13:06
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Visual Studio Clicking Find Results Opens Code in Wrong Window
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For me, this was happening with a Visual Studio window containing an SQL file with the Window Split option active. If the cursor was in the top pane of the window, both Ctrl + F (Find) and Ctrl + H (Find & Replace) would cause the find control to appear in the other (main) Visual Studio w...
Modifying the “Path to executable” of a windows service
...equire quoted strings, which you can enter as follows, for example with MS SQL Server: sc config mssqlserver binPath= "\"F:\SQL DATA\MSSQL10.MSSQLSERVER\MSSQL\Binn\sqlservr.exe\" -sMSSQLSERVER"
– Marc Durdin
Nov 19 '14 at 23:30
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The model backing the context has changed since the database was created
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Just run the followng sql command in SQL Server Management Studio:
delete FROM [dbo].[__MigrationHistory]
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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
The problem Im facing while trying to connect to database for mysql. I have also given the database settings that i have used.
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How do I do top 1 in Oracle?
... 1. I've even tried it in an OUTER APPLY instruction and it worked like Ms-SQL's TOP function there.
– Rafael Merlin
Nov 6 '15 at 19:01
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How to truncate milliseconds off of a .NET DateTime
... compare a time stamp from an incoming request to a database stored value. SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it includes those milliseconds. The incoming request to the system, however, does not offer that precision, so I need ...