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SQL is referred to as structure query language used in relational databases as a programming language. SQL performs many functions in the database system such as it updates, inserts, deletes and creates records in the system. SQL creates new tables and procedures that can be manipulated by the users. Our experts who provide SQL assignment help have extensive knowledge regarding the various concepts of SQL, where they use simple language and provide premium quality work related to the topic.

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Students who have a short time to submit the work, less knowledge of the concepts, deadline anxiety/fear and find it difficult to submit, they then look for professional help to make their work easy and be stress-free.

Students are required to submit high-quality work and if they don't, the professors tend to reject the submission. Our teams at Online Assignment Expert can solve your problem of getting a high-quality assignment. Professionals are available 24*7 to solve any query and provide 100% plagiarism-free work and with proper formatting without making it complex. SQL assignments demand technical insights and practical implementation; experts provide simple solutions for the most complex questions.

Sample SQL Questions and Solutions by SQL Assignment Writing Experts

Here are a few samples that will help you do your SQL assignments easily:

Q 1. Prepare a table Worker with Worker ID, First Name, Last Name, Salary, Joining Date, Department further following a Bonus table

CREATE DATABASE ORG;
SHOW DATABASES;
USE ORG;
CREATE TABLE Worker (
 WORKER_ID INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
 FIRST_NAME CHAR(25),
 LAST_NAME CHAR(25),
 SALARY INT(15),
 JOINING_DATE, DATE
 DEPARTMENT CHAR(250
);
INSERT INTO WOKER
 (WORKER_ID, FIRST_NAME, LAST_NAME, SALARY, JOINING_DATE, DEPARTMENT) VALUES
 (001, "˜Lucy', "˜Westley', "˜100000, '14-03-20', "˜HR')
 (002, "˜David', "˜Irving', "˜80000, '14-03-20', "˜Admin')
 (003, "˜Richard', "˜Reynolds', "˜70000, '14-03-20', "˜Accounts')
 (004, "˜Gemma', "˜Barry', "˜65000, '14-04-12', "˜Accounts')
 (005, "˜Letitia', "˜Slabu', "˜75000, '14-04-15', "˜Admin')
CRETAE TABLE Bonus (
 WORKER_REF_ID INT
 Bonus_AMOUNT INT (10)
 BONUS_DATE DATE
 FOREIGN KEY (WORKER_REF_ID)
 REFERENCES Worker (WORKER_ID)
 ON DELETE CASCADE
);
INSERT INTO Bonus
 (WORKER_REF_ID, BONUS_AMOUNT, BONUS_DATE) VALUES
 (001, 10000, "˜2014-04-20'),
 (002, 5000, "˜2014-04-20'),
 (003, 5000, "˜2014-04-20'),
 (004, 5000, "˜2014-05-12),
 (005, 5000, "˜2014-05-12);
 

Q 2. Write SQL Query to fetch "First_name" from worker table.

Ans. Required Query is: Select FIREST_NAME AS WORKER_NAME from Worker;

Q 3. Write SQL Query to fetch "First_name" from the worker table in upper case.

Ans. Required query is: Select upper(FIRST_NAME) from Worker;

Q 4. Write an SQL to fetch unique values of the Department from the worker Table.

Ans. Required query is: Select distinct DEPARTMENT from Worker;

5. Write an SQL Query to print the First_Name from worker table after removing white spaces from the right side.

Ans. The required query is: Select RTRIM(FIRST_NAME) from Worker;

Q 6. Prepare a table with Employee name, email, department, contact, employee ID and Employee Head ID.

Ans. Schema:
Create table employee(EmpID int primary key, EmpName varchar(100), Department varchar(50), Contactno bigint, Email varchar(100), EmpHeadID int)
 

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