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We define a view in SQL through using the create view command. To describe a view, we must provide the view a name and must state the query in which computers the view. The form of
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
In this programming assignment, you will develop a simple database of student records. Here are the requirements: 1) A student record contains a name and a number. We assume tha
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
Give the forms of triggers? The triggering event can be insert or delete. For updated the trigger can state columns. The referencing old row as clause The referencing
Data Independence This brings us to our next topic: data independence. It is the property of the database which tries to make sure that if we make any change in any level of sc
The entity type STUDENT has the following attributes: Student Name, Address, Phone, Age, Activity, and No of Years. Activity represents some campus-based student activity, and No o
Multilevel Index The Multilevel Index is a modification of the secondary level index system. In this system we might be use even more number of levels in case the table is eve
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
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