[SCENARIO] The scenario is, there is a requirement to send multiple records through XML file to the server, for insertion in the database. These records consists of multiple master and detail tables d
We\'re starting to using N开发者_JS百科Hibernate at my workplace, including generating the schema from the mappings.One thing our DBAs want is consistent names for the primary and foreign key relation
I have a database (running on postgres, precisely) , with the following structure : user1 (schema) - cars (table)
I was always curious but can\'t find a concise answ开发者_Python百科er. Any help?It cannot have more than one primary key.It can, however, have more than one column in the primary key.It can also have
At the moment I\'m doing this: gems(id, name, colour, level, effects, source) id is the primary key and is not auto-increment.
Should a database table that contains two columns that are foreign keys have a third column which is the primary key?
I\'m running an import script which imports a CSV dump of a database into a local sqlite database using DataMapper.
I have an existing Windows app for which I\'m writing an Android port. The app uses a unique string as the primary key, but the SQLite methods in Android all seem to work with integers and a column na
I\'m getting more and more confused as I try to distinguish from the ambiguities of these terms.I have a query that is taking longer than necessary simply because I cannot get the key on on table to w
Lets say UserA and UserB both have an application open and are working with the same type of data.UserA inserts a record into the table with value 10 (PrimaryKey=\'A\'), UserB does not currently see t
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