How To Become a Database Administrator?

 How To Become a Database Administrator?

Becoming a database administrator (DBA) typically involves a combination of education, experience, and specific skills. Here’s a general roadmap to becoming a DBA.

1. Education

Start with a relevant bachelor’s degree in Computer Science, Information Technology, or a related field. Some employers may prefer candidates with a master’s degree for senior positions.

2. Gain Technical Skills

Database Systems: Develop proficiency in popular database management systems (DBMS) such as MySQL, PostgreSQL, Oracle, SQL Server, MongoDB, etc.

3. SQL

Master SQL (Structured Query Language) for querying and managing data in databases.

4. Data Modeling 

Understand data modeling techniques to design efficient database schemas.

5. Backup and Recovery

Learn about database backup, recovery, and disaster recovery procedures.

6. Performance Tuning

Gain skills in optimizing database performance through indexing, query optimization, etc.

6. Gain Experience

Start with entry-level roles like database developer or data analyst to gain hands-on experience with databases.

Progress to roles that involve more database administration responsibilities as you gain experience.

7. Certification

Consider obtaining certifications from database vendors (e.g., Oracle Certified Professional, Microsoft Certified Solutions Expert) to validate your skills and knowledge.

8. Soft Skills

Develop good communication skills, problem-solving abilities, and the ability to work under pressure, as DBAs often need to handle critical database issues.

9. Stay Updated

Keep up with industry trends and new technologies in database management.

10. Networking

Build a professional network through industry events, forums, and online communities to stay connected and learn from others in the field.

I was assigned as Program Chair in Computer Studies in University of Negros Occidental Recoletos Graduate School

 I am very happy to announce my appointment as Program Chair in the Computer Studies in the University of Negros Occidental - Recoletos Graduate School stating this July 8, 2024.  Thank you LORD for this opportunity and also to my dean Dr. Dennis Madrigal for the support and trust you have given me.

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Bank Account in C++

Bank Account in C++

 

Program Listing

#include <iostream>

#include <iomanip>

class BankAccount {

private:

    double balance;

public:

    BankAccount() : balance(0.0) {}

    void deposit(double amount) {

        if (amount > 0) {

            balance += amount;

            std::cout << "\tDeposited PHP" <<std::fixed <<std::setprecision(2) << amount << ". New balance: PHP" << balance << std::endl;

        } else {

            std::cout << "\tInvalid deposit amount." << std::endl;

        }

    }

    void withdraw(double amount) {

        if (amount > 0 && amount <= balance) {

            balance -= amount;

            std::cout << "\tWithdrawn PHP" <<std::fixed <<std::setprecision(2)<< amount << ". New balance: PHP" << balance << std::endl;

        } else {

            std::cout << "\tInvalid withdrawal amount or insufficient funds." << std::endl;

        }

    }

    double getBalance() const {

        return balance;

    }

};

int main() {

    BankAccount account;

    int choice=0;

    double amount=0.00;

    while (true) {

        std::cout << "\n\tBank Account Main Menu" << std::endl;

        std::cout << "\t[1] Deposit Money" << std::endl;

        std::cout << "\t[2] Withdraw Money" << std::endl;

        std::cout << "\t[3] Check Balance" << std::endl;

        std::cout << "\t[4] Quit Program" << std::endl;

        std::cout << "\n\tEnter your choice: ";

        std::cin >> choice;

        switch (choice) {

            case 1:

                std::cout << "\tEnter the deposit amount: PHP";

                std::cin >> amount;

                account.deposit(amount);

                break;

            case 2:

                std::cout << "\tEnter the withdrawal amount: PHP";

                std::cin >> amount;

                account.withdraw(amount);

                break;

            case 3:

                std::cout << "\tCurrent balance: PHP" <<std::fixed <<std::setprecision(2)<< account.getBalance() << std::endl;

                break;

            case 4:

                std::cout << "\tExiting. Thank you for using this program." << std::endl;

                return 0;

            default:

                std::cout << "\tInvalid choice. Please try again." << std::endl;

        }

    }

    return 0;

}

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Temperature Converter Using Encapsulation in C++

 

#include <iostream>

class TemperatureConverter {

private:

    double celsius;

    double fahrenheit;

public:

    TemperatureConverter() : celsius(0.0), fahrenheit(32.0) {}

    void setCelsius(double c) {

        celsius = c;

        fahrenheit = (celsius * 9.0/5.0) + 32.0;

    }

    void setFahrenheit(double f) {

        fahrenheit = f;

        celsius = (fahrenheit - 32.0) * 5.0/9.0;

    }

    double getCelsius() const {

        return celsius;

    }

    double getFahrenheit() const {

        return fahrenheit;

    }

};

int main() {

    TemperatureConverter converter;

     std::cout << "\n\tTemperature Converter Using Encapsulation in C++\n\n";

    // Convert from Celsius to Fahrenheit

    converter.setCelsius(35.0);

    std::cout << "\t35 degrees Celsius is equal to " << converter.getFahrenheit() << " degrees Fahrenheit.\n";

    // Convert from Fahrenheit to Celsius

    converter.setFahrenheit(112.3);

    std::cout << "\n\tEnd of Program\n\n";

    return 0;

}