Database Management System Concepts and Architecture


1


What is DBMS? Describe the advantages and disadvantages of using DBMS

==ADatabase Management System (DBMS)
Is a software system that allows users to create, store, retrieve, update, and manage data in an organized way.
Examples: MySQL, Oracle, SQL Server, PostgreSQL.

Advantages of DBMS : *//Data Redundancy Control


DBMS reduces duplicate data by storing data centrally. *//Data Consistency
Since data is stored in one place, changes are reflected everywhere. *//Data Security
DBMS provides authentication,

Read More

C Programming Practice Problems Solutions

C Programming Practice Problems and Solutions

1. Calculate Sum and Percentage of 5 Subjects

Write a C program (WAP) that accepts the marks of 5 subjects and finds the sum and percentage.

#include <stdio.h>
int main()
{
    int marks[5];
    int total = 0;
    float percentage;

    printf("Enter marks for 5 subjects:\n");
    for(int i = 0; i < 5; i++)
    {
        scanf("%d", &marks[i]);
        total += marks[i];
    }

    percentage = (total / 5.0);
    printf("Sum: %d\n", total);
Read More

Common English Irregular Verbs: Base, Past, Past Participle

Common English Irregular Verbs: Base, Past, Past Participle

Irregular Verbs — Base · Past · Past Participle

Columns: Base form · Past simple · Past participle

Base FormPast SimplePast Participle
awakeawokeawoken, awaked
bewas / werebeen
becomebecamebecome
beginbeganbegun
breakbrokebroken
bringbroughtbrought
buildbuiltbuilt
burnburnt, burnedburnt, burned
buyboughtbought
catchcaughtcaught
choosechosechosen
comecamecome
cutcutcut
divediveddived
dodiddone
drawdrewdrawn
drinkdrankdrunk
eatateeaten
fallfellfallen
feelfeltfelt
fightfoughtfought
findfoundfound
flyflewflown
forbidforbadeforbidden
forgetforgotforgotten
forgiveforgaveforgiven
getgotgot,
Read More

Fundamentals of Marketing: Concepts, Environment & Strategies

Definition and Scope of Marketing

Marketing means identifying customer needs and wants and satisfying them profitably by providing the right product, at the right price, at the right place, and at the right time. The scope of marketing is very wide. It includes product planning and development, pricing decisions, promotion, advertising, sales promotion, distribution, branding, packaging, warehousing, transportation, after-sales services, customer relationship management, and customer satisfaction.

Read More

Massage Therapy: Benefits, Techniques, and Clinic Standards

Reading: Massage Fundamentals

1. Why Do People Get Massages?

People get massages for relaxation and for a variety of health conditions, such as muscle pain and stress-related problems.

2. What Are Some Benefits of a Massage?

  • A Deep-Tissue Massage is good for stiff necks and sore shoulders.
  • An Aromatherapy massage uses scented oils with relaxing massage techniques and has a calming effect on people suffering from stress.
  • Other types of massages such as the Shiatsu are beneficial because they help blood
Read More

ACE Management & OB Core Concepts Summary

ACE-LEVEL MANAGING ORGANIZATIONS CHEAP SHEET (Lessons 01–08 + Cases + Presentations)

MANAGEMENT + OB BASICS

Management Fundamentals

  • Management: Achieving organizational goals through other people/resources.
  • Must balance Effectiveness (reaching the right goals/outcomes) and Efficiency (using time/money/effort well).

The Four Functions (POLC)

  1. Planning: Set goals + choose actions.
  2. Organizing: Design structure + allocate tasks/resources.
  3. Leading: Motivate/communicate/influence.
  4. Controlling: Measure results
Read More

Market Dynamics: Demand, Supply, and Consumer Behavior

Demand and supply are the fundamental forces that drive a market economy. They determine what is produced, in what quantity, and at what price.

1. Understanding Demand
Demand is the quantity of a good that consumers are willing and able to purchase at various prices.
 * Individual Demand: The quantity of a commodity that a single consumer is willing to buy at a specific price during a given period.
 * Market Demand: The total sum of all individual demands for a particular good in the market. It is

Read More

Algorithmic Paradigms: Greedy, DP, and Backtracking

Greedy Approach


A Greedy Algorithm is a problem
Solving strategy that makes the choice that looks best at the moment at each stage, hoping this local optimum will lead to a global optimum. 

Key Characteristics


1.

Local Optimal Choice:


It focuses on making the locally best decision without considering the consequences for future steps.

2


No Reconsideration:


Once a choice is made, it is permanent and never revisited or revised (it is “short-sighted”).

3


Speed:


They are often simpler and faster to implement

Read More

Non-Conventional Machining Processes: EDM, ECM, LBM, EBM, USM, PAM

Part A — Section A Answers

i. Electrolyte is used in electric discharge machining.
👉 False

ii. Dielectric is used in EDM (Electric Discharge Machining) process.

iii. Full form of LASER:
👉 Light Amplification by Stimulated Emission of Radiation

iv. Full form of TPM:
👉 Total Productive Maintenance

v. For precise and narrow cutting which machining process is suitable?
👉 Laser Beam Machining (LBM)

vi. Non-conducting material can be machined in EDM.
👉 False

vii. Name any shielding gas used in arc

Read More

Indian Sedimentary Basins and Sedimentary Structures

1. Sedimentary Basins

Definition: A sedimentary basin is a low-lying area of the Earth’s crust that undergoes subsidence and accumulates sediments over geological time.

Sediments may be clastic, chemical or biogenic.

Basins preserve information about tectonics, climate, provenance and resources.

2. Physiography of India and Basin Settings

India shows diverse physiographic divisions.

Major units:

  • Himalayan orogenic belt
  • Indo-Gangetic plain
  • Peninsular craton
  • Coastal plains
  • Continental shelf and deep sea

Basin

Read More