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By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
Why are cursors necessary in embedded SQL? A cursor is an object used to store the output of a query for row-by-row processing through the application programs. SQL statements
Events4Fun is an event management company in Europe with branches in South America as well. The company is well-known for its efficiency, good-quality services, and affordable char
Chapter 10a review questions
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
What is it ?
What is serialization? Where it is used and why? Serialization is a basic term used for mechanisms which enable objects and object structures to be converted into portable for
What is a recursive relationship? Give an example not used in the text. A recursive relationship is a relationship among an entity and itself. For example, given the entity PER
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
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