大约有 3,620 项符合查询结果(耗时:0.0119秒) [XML]

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Getting the SQL from a Django QuerySet [duplicate]

How do I get the SQL that Django will use on the database from a QuerySet object? I'm trying to debug some strange behavior, but I'm not sure what queries are going to the database. Thanks for your help. ...
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How can I query a value in SQL Server XML column

I have following XML stored in a XML column (called Roles ) in a SQL Server database. 8 Answers ...
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how can I Update top 100 records in sql server

I want to update the top 100 records in SQL Server. I have a table T1 with fields F1 and F2 . T1 has 200 records. I want to update the F1 field in the top 100 records. How can I update based on TOP 100 in SQL Server? ...
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How do you determine what SQL Tables have an identity column programmatically

I want to create a list of columns in SQL Server 2005 that have identity columns and their corresponding table in T-SQL. 13...
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Function to Calculate Median in SQL Server

...ng to MSDN , Median is not available as an aggregate function in Transact-SQL. However, I would like to find out whether it is possible to create this functionality (using the Create Aggregate function, user defined function, or some other method). ...
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What is the difference between single and double quotes in SQL?

What is the difference between single quotes and double quotes in SQL? 6 Answers 6 ...
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How to trim a string in SQL Server before 2017?

In SQL Server 2017, you can use this syntax, but not in earlier versions: 7 Answers 7 ...
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How to get the connection String from a database

I have created a database with SQL Server Management Studio, I would like to now use it in my C# application. I need the connection string? ...
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What's best SQL datatype for storing JSON string?

What's the best SQL datatype for storing JSON string? 5 Answers 5 ...
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一张图告诉你是需要 SQL 还是 Hadoop - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

一张图告诉你是需要 SQL 还是 Hadoop很多朋友问时下如火如荼的 Hadoop 是否适合引进我们自己的项目,什么时候用 SQL,什么时候用 Hadoop,它们之间如何取舍?Aaron Cordova 用一张图来回答你这个问题,对于不同的数据场景,如何选取...