Apr 21, 2016 · A surrogate key is typically a numeric value. Within SQL Server, Microsoft allows you to define a column with an identity property to help generate surrogate key values. The PRIMARY KEY …

Jan 29, 2014 · The primary key will probably be implemented with a primary key constraint; the candidate keys will probably be implemented with unique constraints. A foreign key is an instance of …

Jan 27, 2009 · I need to remove a highly referenced table in a SQL Server database. How can I get a list of all the foreign key constraints I will need to remove in order to drop the table? (SQL answers …

Oct 14, 2010 · SHOW KEYS FROM tablename WHERE Key_name = 'PRIMARY' What is equivalent of above query for SQL Server ?. If There is a query that will work for both MySQL and SQL Server …

May 20, 2010 · Primary keys usually are automatically indexed - if you create a primary key, no need to create an index on the same column (s). When to use what Each table should have a primary key. …

Simple question, how do you list the primary key of a table with T-SQL? I know how to get indexes on a table, but can't remember how to get the PK.

Dec 20, 2018 · I have multiple versions of SQL and understand that product key registry paths changes for each version. We don't want to hard code the path, hence I'm searching for generic logic. As …

Jul 6, 2014 · The CurrentVersion key/value does persist through all editions of SQL Server beyond SQL 2005. There is a caveat to this though, it can in some instances differ to what SELECT …

Oct 20, 2008 · Candidate keys are a fundamental concept in the relational data model. It's common practice, if multiple keys are present in one table, to designate one of the candidate keys as the …

An index allows Microsoft® SQL Server™ 2000 to find related data in the foreign key table quickly. However, creating this index is not a requirement.