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Define about the Stored Procedure
- It's a set of T-SQL statements combined together to perform a single task formed by combining numerous small tasks.
- When you essentially run a stored procedure, a set of statements is run.
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
differences between a classified catalog and a dictionary catalog
It can be easily defined as: The database must not have any unmatched foreign key values. The term "unmatched foreign key value" means a foreign key value for which there doe
To eliminate duplicate rows (distinct operator) Example: SELECT DISTINCT DEPTNO FROM EMP;
Critically explained the benefits and limitations of different database technologies with proper examples
Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates
Have a look around the site, and at some of the sites they have featured. These are all examples of bad design, and also offer an explanation about why they fall into this category
Views A view is like a window by which data from tables can be changed or viewed. The table on which a view is based is known as Base table. The view is stored as a SELECT stat
SELECT Statement This statement is used for retrieving information from the databases. It can be coupled with many clauses. Let us talk about these clauses in more detail:
Submission Requirements All answers must be computer generated (including text and diagrams). The hand-in version must include a header page (or with sufficient space)
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