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what is data link layer
Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
Describe the statement in SQL which allows to change the definition of a table? In SQL Alter statement is used to allow the changes the definition of a table.
Describe the development process of Object oriented methods Object oriented methods have roots which are strongly anchored back in the 60s, functional and structured methods we
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
Explain the EXEC statement in SQL Ans: All statements which start with EXEC SQL are embedded SQL database statements. High level languages such as C can be employed to write a
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
Question: (a) What are the challenges in the development of Large Scale Distributed Real Systems? (b) What is backward engineering and forward engineering in a design packa
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
It defines that no primary key value can be null. This is as the primary key is used to recognize individual tuple in the relation. So we will not be able to recognize the records
Explain Deadlock detection and recovery Deadlock Detection - A deadlock is said to take place when there is a circular chain of transaction, every waiting for the release of a
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