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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
Explain mechanism of nested queries? SQL gives a mechanism for nesting subqueries. A subquery is a select from where expression that is nested within one more query. A common u
vertical fragmentation
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
What is ICR? A. ICR (Intelligent Character Recognition) is a technology that gives scanning and imaging systems the ability to identify images of hand-printed or script charact
Illustrate how you can use QBE to perform logical AND and OR operation
PART MARKING: For this section, we will use part marking. This means we will supply model answers to all questions but we will only mark six questions. We will choose these randoml
In problems 1 - 4, you are given the columns of a table, and a set of functional dependencies. Determine the normal form of this table. Remember that the normal form is the HIGHE
What does Aggregation mean?
i would like to ask if you will do assignment of database number of words 1500 and how much
These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
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