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SQL, or Structured Query Language, is a specialized language used to manage and manipulate relational databases on various operating systems. You can run SQL on your computer using …

How to Run SQL? 1. Run SQL in your browser. We have created an online editor to run SQL directly on your browser. You don't have to go through a tedious installation process. You just …

In SQL, a stored procedure is a set of statement(s) that perform some defined actions. In this tutorial, you will learn about stored procedures in SQL with the help of examples.

In SQL, the CREATE TABLE statement is used to create tables. In this tutorial, we'll learn about creating tables in SQL with examples.

In SQL, the ALTER TABLE command is used to modify the structure of an existing table. In this tutorial, you will learn about the SQL ALTER TABLE statement with the help of examples.

The COUNT() function in SQL is used to get the number of rows with the SELECT statement. In this tutorial, you will learn about the SQL COUNT() function with the help of examples.

SQL comments are descriptions in the code that help users better understand the intent and functionality of the SQL command. In this tutorial, you will learn about comments in SQL with …

The SQL EXISTS operator executes the outer SQL query only if the subquery is not NULL (empty result set). In this tutorial, you will learn about the SQL EXISTS operator with the help of …

The SQL AND, OR, and NOT operators are used with the WHERE or HAVING clauses. In this tutorial, you will learn about the SQL AND, OR, and NOT operators with the help of examples.