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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 approach as it keeps inherent concurrency of real objects. These events are implemented as inter-task calls such, the task uses its location within program to keep track of its state.
What is Relational calculus? Relational calculus is a Non- Procedural language.
Implementation and SQL Applications
Describe Graphical User Interface? Graphical User Interfaces (GUIs) - A GUI typically displays a schema to the user in diagrammatic form. The user can then specify a query th
What is Disadvantages Of DBMS ? 1. Cost of Software and Hardware and Migration - A important disadvantage of the DBMS system is cost. 2. Reduced Response and Throughpu
tell me the functionality,advantages and disadvantages of student database
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
What is NULL? Simply NULL means not in value.
joins
What are referential integrity constraints? A value that appears in single relation for a given set of attributes also appears for a particular set of attributes in another rel
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