Information about constraints by using SQL query?
Hi
how can we view all the definition of a constraint by using SQL query.
Suppose I create following tables:
CREATE TABLE supplier
( supplier_id numeric(10) not null,
supplier_name varchar2(50) not null,
contact_name varchar2(50),
CONSTRAINT supplier_pk PRIMARY KEY (supplier_id, supplier_name)
CREATE TABLE products
( product_id numeric(10) not null,
supplier_id numeric(10) not null,
supplier_name varchar2(50) not null,
CONSTRAINT fk_supplier_comp
FOREIGN KEY (supplier_id, supplier_name)
REFERENCES supplier(supplier_id, supplier_name)
ON DELETE CASCADE
e.g. CONSTRAINT fk_supplier_comp: Plz write me the SQL query that tells that this is a FOREIGN KEY (supplier_id, supplier_name) and REFERENCES supplier(supplier_id, supplier_name) .....etc.
thanks
You mean "What is an Oracle Metalink?"
Then, Oracle Metalink (www.metalink.oracle.com) is an official web site of Oracle Corporation. This is the area where you can get an ultimate and immediate fixes for any sort of Oracle/Issues/Problems. And also, Patches/fixes/Notes/Procedures can be used as reference and can be downloaded from this.
Note: Sharing of Oracle Metalink information/credentials is highly illegal act.
Fore more information and benefits on Oracle Metalink, please take a look at the below URL.
http://www.oracle.com/support/premier/metalink.html
Regards,
Sabdar Syed.
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