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List the set operations of SQL?
1) Union
2) Intersect operation
3) The except operation
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
what is entity in database system?
What is Data dictionary? A data dictionary is a reserved space in a database that is employed to store information about the database itself. A data dictionary may consist o
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Define the Wait for graph Ans: The wait-for-graph is a directed graph and consist of nodes and directed arcs; the nodes of the graph are active transactions. An arc of the grap
1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development
limitations and benefits in database tecknowlagy
i need help with creating database system for a library
Explain the term - Control as Concurrent Tasks As we know, any object can be implemented as a task in programming language or operating system. This is the most general approa
The clause in SQL which specifies that the query result should be sorted in ascending or descending order based upon the values of one or much more columns is Ans : Order by
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