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
Sep 21, 2016 · will rename FK_Employee_Person_BusinessEntityID found in the HumanResources schema to FK_EmployeeID If the schema is missing, SQL Server looks for …
How to find foreign key dependencies in SQL Server?
May 29, 2009 · How can I find all of the foreign key dependencies on a particular column? What are the different alternatives (graphically in SSMS, queries/views in SQL Server, 3rd party …
List of foreign keys and the tables they reference in Oracle DB
Mar 19, 2019 · 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, …
What is a proper naming convention for MySQL FKs?
Feb 10, 2010 · The reason for creating a symbolic name is for referencing when you want/need to drop the constraint. Oracle & SQL Server allow you to disable specific constraints. If you don't …
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 …
Differences between "foreign key" and "constraint foreign key"
Sep 29, 2012 · 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 …
How do I drop a foreign key in SQL Server? - Stack Overflow
Sep 18, 2008 · 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 …
Oct 11, 2010 · 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 …
mysql - FK or FPK? Relational Databases - Stack Overflow
Jun 28, 2017 · What do you mean by "FK" (foreign key) then? What academic (organization/person) textbook are you using? In the relational model (but not SQL): A …