Mit202 data base management system(dbms)smumbahelp
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Bt0065 c programming and data structures - theory-desmumbahelp
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Bt0065 c programming and data structures - theory-desmumbahelp
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This RDBMS (Relational Database Management System) contains 9 Units and each unit contains 40 to 50 slides in it.
Contents…
• Define a Database Management System
• Describe the types of data models
• Create an entity-relationship model
• List the types of relationships between entities
• Define a Relational Database Management System
• Describe the operators that work on relations
• Identify tips of logical database design
• Map an ER diagram to a table
• Describe data redundancy
• Describe the first, second, and third normal forms
• Describe the Boyce-Codd Normal Form
• Appreciate the need for denormalization.
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AUTOMATED SHORT ANSWER GRADER USING FRIENDSHIP GRAPHScsandit
The paper proposes a method to assess short answer written by student using friendship matrix,
representation of friendship graph. The Short Answer is a type of answer which is based on
facts. These answers are quite different from long answers and Multiple Choice Question
(MCQ) type answers. The friendship graph is a graph which is based on friendship condition
i.e. the nodes have only one common neighbor. Friendship matrix is the matrix form of the
friendship graph. The student answer is stored in a friendship matrix and the teacher answer is
stored in another friendship matrix and both the matrices are compared. Based on the number
of errors encountered from student answer an error marks is calculated and that number is
subtracted from full marks to get student grade.
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It is a semantic data model that is used for the graphical representation of the conceptual database design. The semantic data models provide more constructs that is why a database design in a semantic data model can contain/represent more details. With a semantic data model, it becomes easier to design the database, at the first place, and secondly it is easier to understand later. We also know that conceptual database is our first comprehensive design. It is independent of any particular implementation of the database, that is, the conceptual database design expressed in E-R data model can be implemented using any DBMS. For that we will have to transform the conceptual database design from E-R data model to the data model of the particular DBMS. There is no DBMS based on the E-R data model, so we have to transform the conceptual database design anyway.
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Dear students get fully solved assignments
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Download Complete Material - https://www.instamojo.com/prashanth_ns/
This RDBMS (Relational Database Management System) contains 9 Units and each unit contains 40 to 50 slides in it.
Contents…
• Define a Database Management System
• Describe the types of data models
• Create an entity-relationship model
• List the types of relationships between entities
• Define a Relational Database Management System
• Describe the operators that work on relations
• Identify tips of logical database design
• Map an ER diagram to a table
• Describe data redundancy
• Describe the first, second, and third normal forms
• Describe the Boyce-Codd Normal Form
• Appreciate the need for denormalization.
Dear students get fully solved assignments
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“ help.mbaassignments@gmail.com ”
or
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(Prefer mailing. Call in emergency )
AUTOMATED SHORT ANSWER GRADER USING FRIENDSHIP GRAPHScsandit
The paper proposes a method to assess short answer written by student using friendship matrix,
representation of friendship graph. The Short Answer is a type of answer which is based on
facts. These answers are quite different from long answers and Multiple Choice Question
(MCQ) type answers. The friendship graph is a graph which is based on friendship condition
i.e. the nodes have only one common neighbor. Friendship matrix is the matrix form of the
friendship graph. The student answer is stored in a friendship matrix and the teacher answer is
stored in another friendship matrix and both the matrices are compared. Based on the number
of errors encountered from student answer an error marks is calculated and that number is
subtracted from full marks to get student grade.
Dear students get fully solved assignments
Send your semester & Specialization name to our mail id :
“ help.mbaassignments@gmail.com ”
or
Call us at : 08263069601
(Prefer mailing. Call in emergency )
It is a semantic data model that is used for the graphical representation of the conceptual database design. The semantic data models provide more constructs that is why a database design in a semantic data model can contain/represent more details. With a semantic data model, it becomes easier to design the database, at the first place, and secondly it is easier to understand later. We also know that conceptual database is our first comprehensive design. It is independent of any particular implementation of the database, that is, the conceptual database design expressed in E-R data model can be implemented using any DBMS. For that we will have to transform the conceptual database design from E-R data model to the data model of the particular DBMS. There is no DBMS based on the E-R data model, so we have to transform the conceptual database design anyway.
Dear students get fully solved assignments
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“ help.mbaassignments@gmail.com ”
or
Call us at : 08263069601
Dear students get fully solved assignments
Send your semester & Specialization name to our mail id :
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Dear students get fully solved assignments
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Dear students get fully solved assignments
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Bca3020– data base management system(dbms)smumbahelp
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Purpose of the data base system, data abstraction, data model, data independence, data definition
language, data manipulation language, data base manager, data base administrator, data base users,
overall structure.
ER Models, entities, mapping constrains, keys, E-R diagram, reduction E-R diagrams to tables,
generatio, aggregation, design of an E-R data base scheme.
Oracle RDBMS, architecture, kernel, system global area (SGA), data base writer, log writer, process
monitor, archiver, database files, control files, redo log files, oracle utilities.
SQL: commands and data types, data definition language commands, data manipulation commands,
data query language commands, transaction language control commands, data control language
commands.
Joins, equi-joins, non-equi-joins, self joins, other joins, aggregate functions, math functions, string
functions, group by clause, data function and concepts of null values, sub-querries, views.
PL/SQL, basics of pl/sql, data types, control structures, database access with PL/SQL, data base
connections, transaction management, data base locking, cursor management.
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1. Dear students get fully solved assignments
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ASSIGNMENT
SPRING 2014
PROGRAM BSc IT
SEMESTER FIRST
SUBJECT CODE & NAME BT0065, C Programming and Data Structures
CREDIT 3
BK ID B0950
MAX. MARKS 60
Note: Answer all questions. Kindly note that answers for 10 marks questions should be
approximately of 400 words. Each question is followed by evaluation scheme.
1 Explain the structure of the C program.
Answer : Structure is the collection of variables of different types under a single name for better
handling. For example: You want to store the information about person about his/her name,
citizenship number and salary. You can create these information separately but, better approach will
be collection of these information under single name because all these information are related to
person.
2 What is recursion? Differentiate between recursion and iteration.
Answer : Recursion is a programming technique that allows the programmer to express operations
in terms of themselves. In C, this takes the form of a function that calls itself. A useful way to think of
recursive functions is to imagine them as a process being performed where one of the instructions is
to "repeat the process". This makes it sound very similar to a loop because it repeats the same code,
and in some ways it is similar to
3 Define array and explain its need. Write a program to calculate sum and average of the elements
stored in an array.
Answer : A collection of variables which are all of the same type. It is a data structure, which
provides the facility to store a collection of data of same type under single variable name. Just like
the ordinary variable, the array should also be declared properly.
4 Explain Union. Differentiate between structure and union
2. Answer : Unions are quite similar to the structures in C. Union is also a derived type as structure.
Union can be defined in same manner as structures just the keyword used in defining union in union
where keyword used in defining structure
5 What is data structure? Explain abstract data type in brief. Differentiate between linear and
nonlinear data structure.
Answer : A data structure is a method for organizing and storing data, which would allow efficient
data retrieval and usage. Linear data structure is a structure that organizes its data elements one
after the other. Linear data structures are organized in a way similar to how the computer’s memory
is organized. Nonlinear data structures are constructed by attaching a data element to several other
data elements in such a way that it reflects a specific relationship among them. Nonlinear data
structures are organized in a different way than the computer’s memory.
6 What is linked list? Explain the advantages of linked lists over array.
Answer :An array stores elements in successive order in memory, i.e. it looks like follows:
--------------------------------------------------------------------------------------
| item 1 | item 2 | item 3 | ... ... | item x | //here comes other stuff
--------------------------------------------------------------------------------------
This means, elements are one after another
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