Is this the best way to - Get a List of all Primary Keys in a Database - or is there something better?
Let us say we have the following table structure and values: FooTable: foo1foo2timestamp 111 221 212 Currently there is no primary key constraint on the table.
It\'s far from the ideal situation, but I need to fix a database by appending the number \"1\" to the PK Identiy column which has FK relations to four other tables. I\'m basically making a four digit
I had a custom primary key that need to be set up on a particular data in a model. This was not enough, as an attempt to insert a duplicate number succeeded. So now when i replace primary_key=True t
I have this custom primary key in a model: class Personal(models.Model): name = models.CharField(max_length=20,primary_key=True)
In NetBeans7 when I\'m trying to add \"Entity Classes from Database\" the following problem occurs: some of the tables on the left are greyed out and marked \"(no primary keys)\", so I can\'t add them
Suppose I want to alter the table so that my primary keys are as follows user_id ,round ,tournament_id
I\'m creating a database that is going to be logging PC usage. There will be several entries of the format: Computer, User, AuditTime. It is for keeping track of who was logged in to what computer at
I would like to create a bigint (or string or whatever that is not int) typed primary key field under Rails 3.
How can I set a minimum length for my primary key ID which is auto incremented. Now the auto increment starts at 1 and goes up from there. However I would li开发者_StackOverflowke the id to be at leas
加载中,请稍侯......