- foreign key constraint naming scheme - Stack Overflow
What is a standard naming scheme to use for foreign key constraints? Given these tables task (id, userid, title) note (id, taskid, userid, note); user (id, name) where Tasks have Notes, Tasks are
- How to rename FK in MS SQL - Stack Overflow
will rename FK_Employee_Person_BusinessEntityID found in the HumanResources schema to FK_EmployeeID If the schema is missing, SQL Server looks for objects in the user's default schema, which is often the dbo schema
- Differences between foreign key and constraint foreign key
I mean for example I can create table like create table XTable ( idt int not null primary key, value nvarchar(50), idq int, constraint fk_idq foreign key(idq) references YTable(idq) ) and
- Does a foreign key automatically create an index?
An FK-relationship will often need to look up a relating table and extract certain rows based on a single value or a range of values So it makes good sense to index any columns involved in an FK, but an FK per se is not an index Check out Kimberly Tripp's excellent article "When did SQL Server stop putting indexes on Foreign Key columns?"
- List of foreign keys and the tables they reference in Oracle DB
I'm trying to find a query which will return me a list of the foreign keys for a table and the tables and columns they reference I am half way there with SELECT a table_name, a column_n
- How do I drop a foreign key in SQL Server? - Stack Overflow
Your syntax for dropping the FK doesn't need the words "foreign key" This is the syntax for MySQL, not SQL Server You can replace it with the word "constraint"
- SQL Server: Howto get foreign key reference from information_schema?
In SQL Server, how can I get the referenced table + column name from a foreign key? Note: Not the table column where the key is in, but the key it refers to Example: When the key [FA_MDT_ID] in
- How do I create a foreign key in SQL Server? - Stack Overflow
I agree naming constraints is a good plan but, in SQL Server 2008 R2 at least, the syntax of the last line has to be "constraint fk_questionbank_exams foreign key (question_exam_id) references exams (exam_id)"
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