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Describe the term- State Diagram
State Diagram: An object could receive a sequence of the input instructions. The state of the object can differ depending upon sequence of input instructions. If we draw diagram that will represent all processes (input) and their output (states) then that diagram is called as state diagram. Processes are represented by arrow symbol and states by oval symbol. For illustration, screen of an ATM machine has many states such as main screen state, process transaction state, request password state.
Write a query that display ename annual salary and comm from emp table
Control as a State Machine Engine First let us define the state machine: "the state machine is a machine which is an object but not an application object. It is a part of lang
Domain Constraint It shows that each attribute in a relation has to contain an atomic value only from the corresponding domains. The data types associated with commercial RDBMS
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
explaination
explain the steps for reduction of er model into relational model?
Determine the concept of Process Process: A process transforms the data values. It is represented as ellipse containing a description of transformation. Each procedure has a
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
Why is need for the multiple access paths?
why data in an RDMS need to be normalised
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