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Old May 14th, 2014, 05:25 PM
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Default Cochin University B.Tech in CSE 6th Sem Database Management Systems Exam Papers

Kindly provide me the Cochin University B.Tech in Computer Science Engineering 6th Sem Database Management Systems Exam Previous Years Question Papers…………..
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  #2  
Old May 20th, 2014, 11:23 AM
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Default Re: Cochin University B.Tech in CSE 6th Sem Database Management Systems Exam Papers

As per your request here I am sharing the Cochin University B.Tech in Computer Science Engineering 6th Sem Database Management Systems Exam Previous Years Question Paper:

What is data model ? Describe with examples at least three data models. (12)
Define the following terms and give examples.
(i) Data independence.
(ii) Instances and Schema. (8)
OR
Explain with an example the Network Model. How is it implemented as per DBTG
proposals ? Enumerate the commands used in the ? proposal for Record remeval,
record creation, record deletion, insertion and modification. (12)
Explain Relative file organization. (8)
Distinguish between Data Definition Languages and Data Manipulation Languages. (10)
Discuss the major advantages and disadvantages of the Hierarchical Model. (10)
OR
Explain the relational database organization with examples. (10)
What languages are provided by DBMS for users to select subsets of scheme
definitions for individual application program. (10)
Explain relation algebra and relationai operators with suitable examples. (12)
kt R4A.B.C). Let Relation r, and rl both be relations on the scheme R.
Give expression in domain relational calculus

Cochin University B.Tech in CSE 6th Sem Database Management Systems Exam Paper



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Thrikkakara, South Kalamassery, Cochin, Kerala 682022, India ‎
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Old February 18th, 2015, 04:47 PM
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Default Re: Cochin University B.Tech in CSE 6th Sem Database Management Systems Exam Papers

Cochin University B.Tech in CSE 6th Sem Database Management Systems contains following topics;

Module I
Introduction: Characteristics of the Database approach – Data models, schemas and instances – DBMS architecture – Data independence – Database languages and interfaces – Database administrator – Data modeling using Entity - Relationship (ER), Entity sets, attributes and keys - Relationships, Relationship types, roles and structural constraints - Weak Entity types - Enhanced Entity-Relationship (EER) and object modeling. Sub classes, super classes and inheritance - Specialization and generalization.

Module II Record storage and file organizations: Placing file records on disks – Fixed length and variable length records - Spanned Vs Unspanned records – Allocating file records on disk– Files of unordered records(Heap files), Files of ordered records(Sorted files).- Hashing Techniques. Indexed structures for files – Types of single level ordered index, multi- level indexes.

Module III The Relational model: Relational model concepts – Relational model constraints - The Relational Algebra – Relational calculus – Tuple Relational calculus, Domain Relational calculus. - SQL. Database Design: Functional dependencies – Basic definitions – Trivial and non trivial dependencies –Closure of a set of dependencies – Closure of a set of attributes – Irreducible sets of dependencies – Nonloss decomposition and Functional dependencies. First, Second and Third normal forms – Boyce-codd normal form.

Module IV Transaction Management- Concurrency Control-Lost Updates- Uncommited Data-Inconsistent Retrievals-The Scheduler-Concurrency Control with Locking Methods –Concurrency Control with Time Stamping- Concurrency Control with Optimistic Methods- Database Recovery Management. Introduction to object oriented databases, Active databases. Data warehouses–Data mining

Paper;

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