Master SQL in No Time: The Ultimate Tutorial for Beginners!

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Updated on Dec 27, 2023 04:31 IST

Forget years of struggle; conquer SQL in weeks! This beginner-friendly guide cuts through the jargon and outlines a crystal-clear path to SQL mastery. No prior coding experience? No problem! Dive into practical exercises, conquer essential queries, and unlock the power of your data – all in record time. Unleash your inner data wizard with Master SQL in No Time: The Ultimate Tutorial for Beginners!

SQL stands for Structured Query Language and is the most advanced and powerful tool for Relational Database Management Systems. It is specifically designed to Create, Read, Update, and Delete (CRUD) the data in the database.

SQL has evolved in the past decades and is used by professionals like data engineers, data analysts, data scientists, business analysts, or database administrators to analyze the data.

Through the SQL tutorial, we will try to explain the topic from basic to advanced. Topics are covered in complete detail and explained with the help of different examples that help you to understand the concepts better so that you can apply them to solve the data problem easily.

Must Check: SQL Online Course and Certification

Must Check: Database and SQL Online Course and Certifications

The tutorial is divided into three modules: basic, intermediate, and advanced, followed by the SQL Interview Questions.

Basic

Introduction to SQL

Introduction to SQL

This article will teach you basic and advanced concepts of SQL. It concepts, such as what is a Database Management System, what is SQL, SQL Data types, SQL Statements, and...read more

SELECT Statement in SQL

SELECT Statement in SQL

This article will help you understand some of the most common SQL SELECT use cases with examples. Large amounts of data in diverse types are stored in databases. Have you...read more

How to Use LIMIT Clause in SQL

How to Use LIMIT Clause in SQL

As a database administrator or developer, you know how crucial it is to manage data loads and optimize query performance. One of the essential tools in your toolkit is the...read more

How to Use WHERE Clause in SQL

How to Use WHERE Clause in SQL

The WHERE clause in SQL is a powerful tool that filters data in database queries. It specifies the conditions for rows to be included in the result set. The syntax...read more

SQL Operator: Comparison and Arithmetic

SQL Operator: Comparison and Arithmetic

While working with a large dataset you have to perform a different kind of operation to extract or manipulate the the data from the dataset. To perform these operation we...read more

Logical Operators in SQL

Logical Operators in SQL

While working with a large dataset you have to perform a different kind of operation to extract or manipulate the the data from the dataset. To perform these operation we...read more

LIKE Operator in SQL

LIKE Operator in SQL

Logical Operators in SQL are used to connect two or more expressions. In this article, we will discuss one of the logical operators i.e. LIKE operator in detail about how...read more

How to use SQL IN Operator

How to use SQL IN Operator

In the previous article, we have discussed LIKE operator. In this article, we will discuss IN operator in SQL that is also a logical operator.

BETWEEN Operator in SQL

BETWEEN Operator in SQL

In the previous articles, we have discussed LIKE and IN operator. In this article we will discuss BETWEEN operator in SQL that is also a logical operator.

SQL Functions: Aggregate and Scalar

SQL Functions: Aggregate and Scalar

In this article, we will discuss about different SQL Functions: Aggregate and Scalar. Aggregate contains function like min, max, sum count while scalar contains function like now, round, mid etc.

How to use COUNT in SQL

How to use COUNT in SQL

Aggregate functions in SQL are used over a set of values, that return a single value. In this article, we will discuss one of the aggregate function COUNT function. Along...read more

What are Constraints in SQL?

What are Constraints in SQL?

Constraints in SQL are not a mandatory to use while creating the table but they are very helpful to maintain the accuracy, reliability, and integrity of the data during the...read more

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Intermediate

How to use ORDER BY Clause in SQL

How to use ORDER BY Clause in SQL

Sorting the result after extracting the data from the dataset is one of the most basic thing we do to get the pattern or highest/lowest values in a particular field...read more

How to Use HAVING Clause in SQL

How to Use HAVING Clause in SQL

When a query is applied to a large dataset, then we get number of records so we need to filter out the specific records. WHERE clause in SQL is used...read more

How to use GROUP BY in SQL?

How to use GROUP BY in SQL?

The GROUP BY clause in sql is used to group the rows that have identical values by one or more columns. In this article, we will briefly discuss how GROUP...read more

How to CREATE TABLE in SQL

How to CREATE TABLE in SQL

When you are working with the large dataset sometime you want to segregate some data and inspect them separately or sometimes you don’t have any table or dataset in that...read more

How to use INSERT in SQL

How to use INSERT in SQL

Storing data is of utmost importance for reproducing the same whenever the need arises and for several other business purposes. These data are stored inside tables, and related tables are...read more

SQL UPDATE: How to Update Data in a Table

SQL UPDATE: How to Update Data in a Table

In this article, we will explore using the SQL UPDATE statement, a powerful tool for modifying existing data within your database tables. First, we will cover the basics of the...read more

How to Use TRUNCATE Command in SQL?

How to Use TRUNCATE Command in SQL?

SQL TRUNCATE TABLE command is used to remove the record from the table. Confused, the SQL DELETE statement also removes the record from the table. So, why use another command...read more

How to Delete a Column in SQL?

How to Delete a Column in SQL?

Sometimes in the dataset, you have some columns that are not of your use but when you run a query it will also get executed that leads to you increase...read more

How to use DROP command in SQL?

How to use DROP command in SQL?

In SQL, the DROP command is used to delete a database, table, index, or view. To use the DROP command, you must be very careful because it permanently deletes the...read more

Advanced

SQL Joins: Inner, Left, Right and Full

SQL Joins: Inner, Left, Right and Full

Understanding SQL Joins is fundamental in database management and data analysis. This article explores the four primary types of SQL Joins: Left, Right, Inner, and Full. Each type uniquely combines...read more

INNER JOIN in SQL

INNER JOIN in SQL

When you have multiple interrelated tables and want to extract the data from more than two or more tables then SQL JOINS comes into the picture that combines the records...read more

SQL LEFT JOIN – Examples and Syntax

SQL LEFT JOIN – Examples and Syntax

SQL JOINS are used to extract the record from two or more interrelated tables. In the previous article, we briefly discussed SQL INNER JOIN. In this article, we will discuss...read more

SQL RIGHT JOIN – Example and Syntax

SQL RIGHT JOIN – Example and Syntax

Right Join in the sql returns all the rows from the right table and the matching entries from both tables. In this article, we will discuss how to use right...read more

How to use UNION in SQL

How to use UNION in SQL

UNION in SQL is similar to the union of two sets in mathematics that is equal to the set of element that are present in both the set. Similarly UNION...read more

Understanding Subqueries in SQL

Understanding Subqueries in SQL

This blog explains subqueries in SQL. We will explore what are nested queries and sub-queries and how they help retrieve data from complex databases.

Understanding SQL Server Data Types

Understanding SQL Server Data Types

An SQL data type is like a tag or a label that defines what kind of value a column in a database table can contain. Data types describe how the...read more

Introduction to Normalization – SQL Tutorial

Introduction to Normalization – SQL Tutorial

This article will cover what Normalization in SQL is, its forms, such as 1NF, 2NF, etc., and examples.

Introduction to Window Functions in SQL

Introduction to Window Functions in SQL

As a beginner, the majority of queries we write in SQL are focused on returning a single piece of data, or a single piece of data per group.

Cursors in SQL: Definition, Types and Lifecycle

Cursors in SQL: Definition, Types and Lifecycle

In this article, we will talk about the definition, types and lifecycle of cursors in SQL. Do take a look to learn about SQL cursors in detail.

Using SQL Pivot – SQL Tutorial

Using SQL Pivot – SQL Tutorial

This article will cover what SQL PIVOT is, how to use SQL PIVOT, and what SQL UNPIVOT is, along with examples.

ACID Properties in SQL

ACID Properties in SQL

ACID properties in SQL ensure reliable transactions: Atomicity ensures transactions are fully completed or not at all, Consistency maintains data integrity, Isolation prevents interference from concurrent transactions, and Durability ensures...read more

FAQs

What are the different types of SQL commands?

SQL commands are broadly divided into three major categories, DDL (Data Definition Language), DML (Data Manipulation Language), and DCL (Data Control Language).

What are the different types of database SQL can work with?

SQL is primarily associated with relational databases, such as MySQL, Oracle, and SQL Server, where data is organized into one or more tables. However, many NoSQL databases, like MongoDB and Cassandra, also support SQL-like query language variants.

What is a SQL JOIN?

A JOIN in SQL is a method to retrieve data from two or more database tables based on a related column between them. There are several types of JOINs INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

About the Author

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Assistant Manager - Content

Vikram has a Postgraduate degree in Applied Mathematics, with a keen interest in Data Science and Machine Learning. He has experience of 2+ years in content creation in Mathematics, Statistics, Data Science, and Mac... Read Full Bio