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What do you understand by a view? What does WITH CHECK OPTION clause for a view do?
- A view is a virtual table which comprises fields from one or more real tables.
- It is generally used to join multiple tables and get the data.
- WITH CHECK OPTION for a view prevents any modification to the data that doesn't confirm to WHERE clause of the view definition.
- This allows data belonging to the view to be updated through view.
What is Identity? Identity (or AutoNumber) is a column that automatically produces numeric values. A start and increment value can be set, but most DBA leave these at 1. A GUID
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Primary Key The primary key is the candidate key that is selected by the database designer as the principal denotes of identifying entities within an entity set. The left candi
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