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.
Our SQL Assignment Writing Team Provides Help With All The Concept Of The Subject
Database: Create, drop, rename and select from a database
Constraints of SQL: primary key, foreign key etc
Statements: Select, insert, update, delete
Table: Create, drop, rename, delete, truncate, copy and alter tables
Clauses: where, or, with, and, as, having, order by, group by
Joins: inner, full, outer, cross join
Concepts of fields and records
SQL Commands: DDL, DML, DCL, DQL
Operators: Logic, Arithmetic and Comparison
Expressions: Boolean, numeric and data expressions
SQL and advancements SQL, PL/SQL, MySQL
Authorization in SQL
Transactions: commit and rollback
Structure type and Inheritance in SQL
Structure in XML data
Sub-queries in SQL
Design and SQL query
Functions: char, replace, truncate, reverse etc.
When Could You Require SQL Assignment Help Services from an Expert?
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;
CREATE TABLE Worker (
WORKER_ID INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
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 (
Bonus_AMOUNT INT (10)
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.
Create table employee(EmpID int primary key, EmpName varchar(100), Department varchar(50), Contactno bigint, Email varchar(100), EmpHeadID int)
Avail SQL Assignment Help at Affordable Prices
Online Assignment Expert provides SQL assignment help to students who face issues in solving assignments based on Java, Python, Database, Android, Perl, C++ etc.; and also to students pursuing degrees such as computer science, Software engineering, Information Technology, Computer Engineering, Information System security etc. We are providing students with premium quality work from past many years and their results have shown the progress. Our team will make sure that all requirements are fulfilled with proper quality, grammar and formatting. To know more about our academic services, do call or chat directly with our expert right away!
Why Choose Us
Your Identity is yours. We don’t tell, sell or use your contact info for anything other than sending you information about your assignment services.
1 Subject 1 Expert
Exercise your power to choose academic editors with expansive knowledge in their field of study. We are NOT run of the mill assignment help.
100% Original Content
Everything new and nothing to hide. Get edited assignment papers that are devoid of plagiarism and delivered with a copy of the Turnitin Report.
Express Assignment Services
Fear no Deadline with our skilled assignment editors. We even offer super express assignment delivery time of less than 6 hours.
We are always up and awake. Get round the clock expert assignment help through our dedicated support team and live chats with your chosen editors.
I do not know how to express my gratitude in words. You saved my six months of time because I passed my Project Management Subject. Thank you so much!
I forgot my submission deadline and remembered about it at the last hour. In a hurry, I contacted Onlineassignmentexpert.com. They delivered the paper in 4 hours.
For a Nursing case study on Elderly Care, I got a very good grade. Thanks to Online Assignment Expert website. I highly recommend them to others for quality assignment help and support.