This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
HELLO, my problem is i'm unable to create a child table with reference key to the composite key in the parent table in sql-server. how can i make up a query to do the above. give me an example queries. with warm regards, sreedhar m
Check SQL Server Books Online for this database specific question and examples. Specifically research the create table statement. Here is how to set up the foreign key (which is what you call a reference). Add this at the end of your column list: CONSTRAINT FK_fkey_name FOREIGN KEY (person_id, ord_id, chicken_id) REFERENCES barnyard (person_id, ord_id, chicken_id)
The first column list (after the foreign key) is the list of columns in the new table corresponding to the primary key columns in the 'parent' table. The references is of course, the parent table. It should look something like this: ... feed_type int, farmer_name varchar(50), CONSTRAINT ...