₹198.00
Scroll down for Match your questions with Sample
Note- Students need to make Changes before uploading for Avoid similarity issue in turnitin.
Another Option
UNIQUE ASSIGNMENT
0-20% Similarity in turnitin
Price is 700 per assignment
Unique assignment buy via WhatsApp 8755555879
Description
| SESSION | SEP 2024 |
| PROGRAM | MASTER OF COMPUTER APPLICATIONS (MCA) |
| SEMESTER | 1 |
| COURSE CODE & NAME | DCA6111 RELATIONAL DATABASE MANAGEMENT SYSTEM |
Set – I
- What do you mean by data Model? Explain different types of data model by giving suitable example.
Ans 1.
Data Model and Its Types
A data model is a conceptual representation of the data structures and relationships within a database. It provides a framework for organizing and defining the data to ensure consistency, reliability, and usability. Data models are essential for designing databases as they define how data is stored, accessed, and manipulated in a database system.
Definition of a Data
Its Half solved only
Buy Complete from our online store
https://smuassignment.in/online-store/
MUJ Fully solved assignment available for session July-Aug 2024.
Lowest price guarantee with quality.
Charges INR 198 only per assignment. For more information you can get via mail or Whats app also
Mail id is aapkieducation@gmail.com
Our website www.smuassignment.in
After mail, we will reply you instant or maximum
1 hour.
Otherwise you can also contact on our
whatsapp no 8791490301.
- Explain various transaction operations in DBMS. 10
Ans 2.
Transaction Operations in DBMS
In a Database Management System (DBMS), a transaction is a sequence of operations performed as a single logical unit of work. Transactions are fundamental to ensuring data consistency and reliability in databases.
Definition of a Transaction
A transaction is a group of one or more operations that access or modify the database. It must satisfy the ACID (Atomicity,
- Explain the various types of databases anomalies. Explain by giving suitable example. 10
Briefly describe SQL3 and its important features. 5+5
- Database Anomalies
Database anomalies refer to problems that arise in a poorly designed database, particularly when inserting, updating, or deleting data. These issues often occur due to redundant data and lack of proper normalization, leading
Set – II
- What do you mean by Temporal database? What are its different types? Explain.
Ans 4.
Temporal Database and SQL3
A temporal database is a database that manages time-related data. Unlike traditional databases, which store only the current state of the data, temporal databases store historical, current, and sometimes future states of data. These databases are particularly useful in applications where tracking
- What are the different lock modes used in the locking system? Discuss.
Ans 5.
Lock Modes in the Locking System
A locking system in a database management system (DBMS) is a mechanism to ensure the consistency and integrity of data during concurrent transactions. Locks are used to control access to data items, preventing conflicts when multiple users attempt to read or modify the same data simultaneously. The DBMS uses various lock modes to manage these access controls
- What do you mean by Fragmentation? What are the different types of fragmentation. Explain by giving suitable example.
Ans 6.
Fragmentation in Databases
Fragmentation in databases refers to the process of dividing a database into smaller, manageable pieces called fragments. This division helps improve database performance, especially in distributed database