In Object Explorer, right-click the table to which you want to add a unique constraint, and select Design.; In Table Designer, select the row selector for the database column you want to define as the ...

Once you have decided on the primary key for your dimension table, you need to implement it in SQL. The syntax for creating a primary key is fairly straightforward - you can use the CREATE TABLE ...

A table typically has a column or combination of columns that contain values that uniquely identify each row in the table. This column, or columns, is called the primary key (PK) of the table and ...

Sql keys play a very important role in database related task in sql like retrieve data/record from the table according to the requirement. a key can be defined as a single or combination of multiple ...

Hello friends,today we learn how we can display the primary key of a table or database.1. to display the primary key in a table we can execute any of the following command:show columns from ...

When working on a multidimensional design, every fact table within scope should be handled with care. In an ideal world, each low-level fact table represents the metrics related to a business event.

Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform certain actions when a primary key field in a primary key-foreign key relationship is ...