Database Assignment Help

Online Database Assignment Help Services

Are you a computer science student? If yes, then your professors will definitely ask you to submit several assignments on topics related to Database Management Systems (DBMS). Basically, DBMS is one of the fascinating subjects that lead to a variety of amazing careers. In general, the course focuses on various operations performed at the database servers. Often, to help you in improving your knowledge of database concepts, your lecturers will ask you to write different types of database assignments.

If you are unsure how to do your database assignments, contact us right away. We have a large number of programming specialists at greatassignmenthelp.com to provide you with affordable and high-quality database assignment help. Especially by taking online assignment assistance from our database experts, you can complete your academic tasks on time and secure top grades.

What is Database?

A database is an ordered collection of data kept in a computer system that is generally managed by a database management system (DBMS). Table modeling of the data in standard databases facilitates efficient querying and processing.

Database is a vital component of our lives. We participate in a variety of activities where we connect with databases, such as at the bank, train station, school, grocery shop, etc. These are the situations where having a lot of data stored in one location and being able to access it quickly is necessary.

What Are the Different Types of Databases?

As per our database assignment helper, there are several popular databases, including the following ones:

• Hierarchical Databases : A database that arranges its data according to a hierarchical model is called a hierarchical database. Each record in a hierarchical database is represented as a node in a tree-like structure that holds the data.
• Network Database : The arrangement of data in a network database is in a sequence of linked records, where each record represents an entity and the relationships between the entities are shown as lines connecting the records.
• Object-Oriented Databases : Object-oriented databases are often used in applications that ask for the processing of substantial volumes of structured and semi-structured data since they are made to facilitate the generation and maintenance of complicated data structures.
• Relational Databases : These are the most commonly used types of databases, which hold data in tables connected to one another by common keys or indexes. Relational databases include Microsoft SQL Server, Oracle, and MySQL, as examples.

Other databases included in our database assignment help services are NoSQL Databases, Centralized Database, Distributed Database, and so forth. You can get help with all types of databases from our experts no matter what they are.

Hire our Subject Experts to Do All Database Management Assignments on Different Concepts

At greatassignmenthelp.com, we have plenty of database assignment helpers online to provide top-notch assistance based on your specifications. In particular, the experts in our team are skilled at handling topics that are associated with various databases such as Oracle, SQL, MySQL, MS Access, SQL Server, Sybase, SAP HANA, IBM DB2, etc. So, by hiring them, you can finish your assignment on any database topic. Some common database topics to which the students often approach us for assignment assistance online are listed below.

• Database Design : Struggling to handle your assignments on database designing? Call us. The experts in our platform will help you in completing your tasks on time. Also, they will aid you in understanding the essential 6 database design techniques.
• SQL : Structured Query Language (SQL) is used to access and manipulate databases. It contains numerous queries to perform various database operations such as creating a database, updating data, viewing data, and so on. Hire our database experts to do your SQL assignments accurately.
• Stored Procedures : A stored procedure is ready-to-use SQL code that can be saved and used multiple times. If you have no idea how to handle your database assignments on stored procedures, get in touch with us quickly. Our professionals will assist you as per your wants.
• PL/SQL : PL/SQL is a combination of SQL and procedural features of programming languages. In case, you find it difficult to do your PL/SQL assignments, turn to us. Our DB specialists will aid you in completing your PL/SQL projects on time.
• Triggers : A trigger is a special kind of stored procedure that runs on its own whenever a database server event occurs. When a user attempts to alter data through a data manipulation language (DML) event, DML triggers are executed. To do your database assignment on triggers effortlessly, take the assistance of our professionals.
• Views : A View in SQL is basically a virtual table created based on a result set of another SQL statement. The rows and columns of the table view are identical to those of a standard table. However, you can provide an encapsulation of the table's name for security purposes using views. Get help from our database specialists to complete your assignments on views before the deadline.

How to Take Our Database Management System Assignment Help Online?

Would you like to place your database assignment order at greatassignmenthelp.com? Well, it is actually so easy and simple. All you need is a few clicks to avail of our service. Just execute the steps outlined below. It will aid you in getting database assignment writing help online from our experts.

• Submit the order form : Firstly, open the order form that is available on our website. Fill out that order form with all of the information about your database assignment and click the submit button.
• Make payment for the order : Next, we will evaluate your requirements and generate a price estimate. Use any of your preferred payment methods, such as credit cards, debit cards, net banking, PayPal, or UPI, to settle the amount through our secure payment gateway.
• Download the solutions : After the payments are done, our subject matter experts will process your requirements and generate accurate solutions. Lastly, from your email, download your solution copy on the promised delivery date.

Why Should You Avail of Our Online Database Assignment Help Services?

On the internet, you can find several companies offering database homework help online . But out of them all, greatassignmenthelp.com is considered the best by students because of the various prominent features and benefits that our database assignment writing help services offer. Find here, the major reasons why you should avail of our database management assignment help services online.

• 100% Original Solutions : The database assignment solutions we deliver you would be 100% unique, original, and plagiarism-free. Moreover, before delivering the solution to you, we will also use a plagiarism detection tool to check whether any part of your solution is copied or not.
• Quick Delivery : We will never miss the deadlines. As per your needs, our experts will compose and dispatch the solution copy in advance of your submission date so that you will get some time to review your solution and request changes from us.
• 1000+ Programming Experts : To do all types of database assignments, in our team, we have programming experts and academic writers with strong knowledge of database concepts. As our database assignment writers are knowledgeable and have relevant practical experience, they can effortlessly deliver you the best solutions on any database assignment topic.
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• Free Revision : In case, you are unhappy with the assignment solution that we provide you, immediately raise a revision request. According to your needs, our experts will edit your paper infinite times for free until you are completely satisfied with the solution.

Database Assignment Solution Example

Create a database schema to store information about a bookstore. The database should store data about books, authors, publishers, and customers. Each book can have multiple authors, and each author can have multiple books. Each book has a publisher, and each publisher can have multiple books. Each customer can purchase multiple books, and each book can be purchased by multiple customers. Design the database schema and provide SQL queries to retrieve the following information:

	Database Schema:import sqlite3

# Create a connection to the database
conn = sqlite3.connect('bookstore.db')
cursor = conn.cursor()

# Create the Authors table
cursor.execute('''CREATE TABLE Authors (
                    author_id INTEGER PRIMARY KEY,
                    author_name TEXT
                )''')

# Create the Books table
cursor.execute('''CREATE TABLE Books (
                    book_id INTEGER PRIMARY KEY,
                    book_title TEXT,
                    publisher_id INTEGER,
                    price REAL,
                    FOREIGN KEY (publisher_id) REFERENCES Publishers(publisher_id)
                )''')

# Create the Publishers table
cursor.execute('''CREATE TABLE Publishers (
                    publisher_id INTEGER PRIMARY KEY,
                    publisher_name TEXT
                )''')

# Create the Customers table
cursor.execute('''CREATE TABLE Customers (
                    customer_id INTEGER PRIMARY KEY,
                    customer_name TEXT
                )''')

# Create the Book_Authors table
cursor.execute('''CREATE TABLE Book_Authors (
                    book_id INTEGER,
                    author_id INTEGER,
                    FOREIGN KEY (book_id) REFERENCES Books(book_id),
                    FOREIGN KEY (author_id) REFERENCES Authors(author_id)
                )''')

# Create the Book_Customers table
cursor.execute('''CREATE TABLE Book_Customers (
                    book_id INTEGER,
                    customer_id INTEGER,
                    purchase_date DATE,
                    FOREIGN KEY (book_id) REFERENCES Books(book_id),
                    FOREIGN KEY (customer_id) REFERENCES Customers(customer_id)
                )''')

# Insert sample data into the tables
cursor.execute("INSERT INTO Authors (author_name) VALUES ('Author 1')")
cursor.execute("INSERT INTO Authors (author_name) VALUES ('Author 2')")

cursor.execute("INSERT INTO Publishers (publisher_name) VALUES ('Publisher 1')")
cursor.execute("INSERT INTO Publishers (publisher_name) VALUES ('Publisher 2')")

cursor.execute("INSERT INTO Books (book_title, publisher_id, price) VALUES ('Book 1', 1, 19.99)")
cursor.execute("INSERT INTO Books (book_title, publisher_id, price) VALUES ('Book 2', 2, 24.99)")

cursor.execute("INSERT INTO Customers (customer_name) VALUES ('Customer 1')")
cursor.execute("INSERT INTO Customers (customer_name) VALUES ('Customer 2')")

cursor.execute("INSERT INTO Book_Authors (book_id, author_id) VALUES (1, 1)")
cursor.execute("INSERT INTO Book_Authors (book_id, author_id) VALUES (2, 2)")

cursor.execute("INSERT INTO Book_Customers (book_id, customer_id, purchase_date) VALUES (1, 1, '2023-06-01')")
cursor.execute("INSERT INTO Book_Customers (book_id, customer_id, purchase_date) VALUES (2, 1, '2023-06-15')")
cursor.execute("INSERT INTO Book_Customers (book_id, customer_id, purchase_date) VALUES (2, 2, '2023-06-10')")

# Commit the changes to the database
conn.commit()

# SQL queries

# 1. Retrieve all books written by a specific author
author_name = 'Author 1'
cursor.execute('''SELECT Books.book_title
                FROM Books
                JOIN Book_Authors ON Books.book_id = Book_Authors.book_id
                JOIN Authors ON Book_Authors.author_id = Authors.author_id
                WHERE Authors.author_name = ?''', (author_name,))
books_by_author = cursor.fetchall()
print(f"Books written by {author_name}:")
for book in books_by_author:
    print(book[0])

# 2. Retrieve all books published by a specific publisher
publisher_name = 'Publisher 1

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