Learn the SQL INSERT INTO statement to add new rows to a database table. Insert single rows, multiple rows, and specific columns with practical examples and exercises.
Tag: Database
SQL ORDER BY clause — How to Sort Query Results
Learn the SQL ORDER BY clause to sort query results in ascending or descending order. Sort by single or multiple columns with practical examples and exercises.
SQL AND, OR, NOT — How to Combine Multiple Conditions
Learn how to combine multiple conditions in SQL using AND, OR, and NOT operators. Filter data with precision using logical operators with practical examples and exercises.
SQL WHERE — How to Filter Rows with Conditions
The WHERE clause filters rows based on specific conditions. Learn how to use comparison operators, filter text and numbers, combine conditions, and avoid common WHERE mistakes in this beginner SQL tutorial.
SQL SELECT DISTINCT — How to Remove Duplicate Rows from Results
The SELECT DISTINCT statement removes duplicate values from your query results. Learn how to get unique values from one or multiple columns with practical SQL examples and exercises.
SQL SELECT — How to Retrieve Data from a Database Table
The SELECT statement is the most used SQL command. Learn how to retrieve specific columns, all columns, and formatted data from database tables with practical examples and exercises.
SQL Syntax — Rules, Structure and How to Write SQL Statements
Learn SQL syntax rules, statement structure, and formatting best practices. This beginner-friendly chapter covers how SQL statements are written, SQL keywords, clauses, semicolons, case sensitivity, and common syntax mistakes to avoid.
SQL Quiz — Test Your Knowledge with 75 Interactive Questions
CHAPTER 31 of 31 SQL Tutorial — Free Course on Neotech Navigators SQL Quiz — Test Your Knowledge is the final chapter of our free SQL tutorial course. This interactive quiz contains 75 questions covering everything from SELECT and WHERE to JOINs, subqueries, and window functions. Each attempt randomly picks 20 questions, gives you 30 […]
SQL LEFT JOIN — How to Include All Rows from the Left Table
CHAPTER 22 of 30 SQL Tutorial — Free Course on Neotech Navigators SQL LEFT JOIN (also called LEFT OUTER JOIN) returns all rows from the left table and the matching rows from the right table. If there is no match, the result contains NULL values for the right table’s columns. In this chapter, you will […]
SQL INNER JOIN — How to Match Rows from Two Tables
CHAPTER 21 of 30 SQL Tutorial — Free Course on Neotech Navigators SQL INNER JOIN returns only the rows that have matching values in both tables. It is the most common type of JOIN used in SQL queries. In this chapter, you will learn the SQL INNER JOIN syntax, see practical examples with output, and […]