I\'m working with Windows Azure Table Storage and have a simple requirement:开发者_开发知识库 add a new row, overwriting any existing row with that PartitionKey/RowKey. However, saving the changes alw
is it possible to get the new/updated _id after the query? example code: $key = array( \'something\' => \'unique\' );
I want to add a row to a database table, but if a row exists with the same unique key I want to update the row.
I am rather new to the more modern ways of coding database persistence, and my intuition is telling me I probably am missing something because my code seems \"inelegant\" but I do not see another way
I\'ve found a few \"would be\" solutions for the classic \"How do I insert a new record or update one if it already exists\" but I cannot get any of them to work in SQLite.
I know this question has been asked before, but that\'s a different scenario. I\'d like to have a collection like this:
Does GridFS have an upsert? For example, if i wan开发者_高级运维t to save an image with a specified _id, and one with that same _id already exists, i want it to overwrite (update) it. Otherwise, inse
In some sense, the default \"save\" operation appears to be asynchronous in MongoDB.It seems that when a client sav开发者_如何学JAVAes a document, it will typically receive a successful response immed
How would you write the following in Microsoft SQL Server 2008? IF EXISTS(SELECT * FROM Table WHERE Something=1000)
Using the answer from this question: Need MySQL INSERT - SELECT query for tables with millions of records
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