I need to duplicate selected rows with al开发者_开发知识库l the fields exactly same except ID ident int which is added automatically by SQL.
I have three models: Booking, ExtraNight and BookedExtraNight. Running Rails 2.3.11 Booking: has_many :extra_nights, :through => :booked_extra_nights
I noticed that PHP has been inserting the same data twice, even with a simple query, below is my index file:
I\'m new to te开发者_如何学JAVAst driven development and first time I\'m tring to use it in a simple project.
I have the following database schema: Product ID | Component | ... Product ID - a foreign key Component - parts of the Product
I have a Database storing details of products which are taken from many sites, and gathered through the individual sites API\'s. When I call the feed, the details are stored in a database table.
Hello I have setup visual studio express c++ project, with paths to included headers and libs Now I 开发者_开发百科like to duplicate this project to be with the same paths to included headers and li
I am pretty new to this so sorry for my lack of knowledge. I set up a few tables which I have开发者_JS百科 successfully written to and and accessed via a Perl script using CGI and DBI modules thanks
Is there a specific command 开发者_运维问答for SQL Server in order to INSERT a lot of rows with the condition : if a row already exists in database doesn\'t duplicate it during insertion ?
My query always produces duplicate results. How best do I go about troubleshooting this query with a database > 1 million rows.
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