What are relationships in a database?
Database relationships are associations between tables that are created using join statements to retrieve data. Both tables can have only one record on each side of the relationship. Each primary key value relates to none or only one record in the related table.
What is a view in database?
In a database, a view is the result set of a stored query on the data, which the database users can query just as they would in a persistent database collection object. Views can join and simplify multiple tables into a single virtual table.
How to see table relationships in SQL Server?
I am using SQL Server Management Studio R2 64 bit OS. Open your SQL Server management studio and enter into your DB. If there is no diagram, create a new diagram (right mouse click – New Database Diagram) Inside the Diagram use right mouse click, add all the relevant tables and see the relationships
How to define relationships in a data source view?
The Data Source View Wizard and Data Source View Designer automatically define relationships between tables added to a data source view (DSV) based on underlying database relationships or name matching criteria you specify.
How are table relationships defined in a database?
After you have created a table for each subject in your database, you have to give Access a way to bring that information back together again when needed. You do this by placing common fields in tables that are related, and by defining relationships between your tables.
How to reverse a relationship in SQL Server?
If SQL Server Data Tools detects, by sampling the data in the underlying table, view, or named query, that you have defined the relationship in the wrong direction (from the primary key to the foreign key rather than from the foreign key to the primary key), you will be prompted to reverse the order. To quickly reverse the order, click Reverse.