Composite primary key is a primary key, which consists of more than one column.
I have encountered MySQL itself recently and the topic of Composite Primary Keys in MySQL, especially how it is useful …
mysql composite-primary-keyi am working on mysql server.where i have created a table, named question . column/attributes of this table are (…
mysql composite-key composite-primary-keyIn MySQL, when I create a composite primary key, say with columns X, Y, Z, then all three columns become …
postgresql indexing composite-primary-keyHere's what's confusing me. I often have composite primary keys in database tables. The bad side of that approach is …
database-design composite-primary-keyIf I declare the table below does it implicitly imply that both the foreign keys make a unique primary key …
sql sql-server sql-server-2008 foreign-keys composite-primary-keywhat's better for JPA/Hibernate composite primary keys, @IdClass or @EmbeddedId implementations and why? This is an intentionally naive question. …
java hibernate jpa composite-primary-keyMy innodb table has the following structure: 4 columns (CountryID, Year, %Change, Source), with the 2 columns (CountryID, Year) as the primary …
mysql sql-delete composite-primary-key multiple-recordsI have an entity OrderItem that has OrderId and ProductId integer fields and these two fields form the identity key/…
url entity odata asp.net-web-api composite-primary-keyI have to work with Hibernate and I am not very sure how to solve this problem, I have 2 tables …
java hibernate foreign-keys composite-key composite-primary-keyI have a table with 2 columns as PK (composite primary key). How can I map them to "Id" in hbm.…
.net nhibernate fluent-nhibernate composite-primary-key