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Implementing software control
To implement software control designer must redesign strategy of state event model which is present in dynamic model.
There are three basic approaches to implement dynamic model. These approaches are as given:
i) Storing the state of the program as location within a program, i.e. as a procedure driven system
ii) Direct implementation of the state machine mechanism i.e. event driver
iii) With the help of concurrent tasks.
A field-groups statement or an insert statement reverses storage space and transfers values. False.
Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
How nulls are treated in comparison operator? Along with comparison (relational) operators, the null values are ignored as we cannot derive the relation along with the given op
What is the State Machine Engine The straightest approach to implement control is to have any way of explicitly representing and executing state machines. With the help of thi
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
What are the DBMS languages? Briefly explain? Data Definition language (DDL):A database schema is specified through a set of definitions expressed through a special language
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appea
Define Physical and Logical independence Ans: Physical data independence: The ability to modify physical level without causing application program to be rewritten. Logic
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