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Problem
Explain at least five relational algebraic operators with a suitable example.
Note: All the above descriptions should be done by taking at least two examples from outside (Other than the text book examples)
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Define data conversion? Helpful to load data into temporary staging tables. Then can write SQL code to do much of data processing. SQL code is simpler and faster to write than
Question (a) Visual Basic is governed by an event processor. Explain the meaning of this phrase. (b) Differentiate between an general procedure and event procedure. (c)
Write a query that display ename annual salary and comm from emp table
Q. What is relational algebra and calculus? Explain the relational algebra operators :- Selection and predicate, set operation, joins and division. Sol. Relational Algebra
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
a project based on normalization with first, second and third normalization. There need to be a diagram also
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