A key is a set of attributes that is irreducibly unique and non-nullable within a table.
How do I just print out a 'primary key' for the column with the primary key? I get 'primary key' …
sql-server sql-server-2005 primary-key constraints information-schemaI am working on a couple of link tables and I got to thinking (Danger Will Robinson, Danger) what are …
sql database-design primary-keyThe re-design for a large database at our company makes extensive use of composite primary keys on the database. Forgetting …
entity-framework primary-key composite-keyChoosing good primary keys, candidate keys and the foreign keys that use them is a vitally important database design task …
database database-design foreign-keys primary-key data-modelingThis is the schema of my table: create table LPCG(ID integer primary key, PCG text, Desc text, test text); …
sqlite primary-key alter-tableYou can create a clustered index on a column other than primary key column if a nonclustered primary key constraint …
sql-server indexing primary-key clustered-index non-clustered-indexMy app needs to get synced with other app users (on there own devices). I also want to support offline …
android performance sqlite primary-key uuidSQL Server provides the type [rowguid]. I like to use this as unique primary key, to identify a row for …
sql-server database-design primary-key data-modelingI am writing an MVC5 Internet application and I have a question about the id field for a model. Should …
c# model int primary-key entity-framework-6I am using log-error to write warning/errors into a file. When I perform INSERT IGNORE..SELECT statement, it just …
mysql insert primary-key ignore composite-primary-key