大约有 3,551 项符合查询结果(耗时:0.0146秒) [XML]

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An explicit value for the identity column in table can only be specified when a column list is used

... Summary SQL Server won't let you insert an explicit value in an identity column unless you use a column list. Thus, you have the following options: Make a column list (either manually or using tools, see below) OR make the identit...
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How can foreign key constraints be temporarily disabled using T-SQL?

Are disabling and enabling foreign key constraints supported in SQL Server? Or is my only option to drop and then re-create the constraints? ...
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How to find a text inside SQL Server procedures / triggers?

...0.50]' SELECT DISTINCT o.name AS Object_Name,o.type_desc FROM sys.sql_modules m INNER JOIN sys.objects o ON m.object_id=o.object_id WHERE m.definition Like '%'+@Search+'%' ORDER BY 2,1 shar...
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How do I delete multiple rows in Entity Framework (without foreach)

... If you don't want to execute SQL directly calling DeleteObject in a loop is the best you can do today. However you can execute SQL and still make it completely general purpose via an extension method, using the approach I describe here. Although that ...
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How can I check if a View exists in a Database?

I have some SQL code that needs to be executed if a certain View exists in a database. How would I go about checking if the View exists? ...
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alternatives to REPLACE on a text or ntext datatype

... . I'm using the REPLACE function. Since the column datatype is NTEXT , SQL Server doesn't allow me to use the REPLACE function. ...
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Row count with PDO

...et the row count using PDO in PHP? Before using PDO, I just simply used mysql_num_rows . 23 Answers ...
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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?

I tried this in mysql: 14 Answers 14 ...
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SQL to determine minimum sequential days of access?

... 0) This works by subtracting the supplied date from zero--which Microsoft SQL Server interprets as 1900-01-01 00:00:00 and gives the number of days. This value is then re-added to the zero date yielding the same date with the time truncated. – IDisposable Jul ...
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What does inverse_of do? What SQL does it generate?

...cumentation, it seems like the :inverse_of option is a method for avoiding SQL queries, not generating them. It's a hint to ActiveRecord to use already loaded data instead of fetching it again through a relationship. Their example: class Dungeon < ActiveRecord::Base has_many :traps, :inverse_...