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What is an Operand?
The data on which the operation is to be performed is known as an Operand
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
Consider a table student (std_id, std_name, date_of_birth, percent_marks, dept_name). Write a QBE query to display names of Computer Science department students who have scored mo
Preliminary entities and attributes of human resourse management database management system
What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
A Relation Schema represented by R(A1, A2, ..., An) is made up of the relation name the list of attributes and R Ai that it contains. A relation is described as a set of tuples
using the invoice table shown below,write the relational schema,draw a dependencies,inclunding all partial and transitive dependencies.assume that the table does not contain repeat
what is inverted and multilist structure
With the help of an example display how records can be deleted and updated in QBE. (i) Increase Pay_Rate of employees along with the skill of ‘cook' by 10%. (ii) Delete employee
How are tables stored on Disk? We realise that every record of a table can have different amounts of data. This is due to in some records; some attribute values may be "zero".
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