SQL Tutorial: A Guide to Aggregate Functions.
Introduction to Aggregate Functions in SQL In SQL, aggregate functions are used to perform calculations on a set of values and return a single value …
SQL
SQL is a standard database language used to access and manipulate data in databases. SQL stands for Structured Query Language. SQL was developed by IBM Computer Scientists in the 1970s. By executing queries SQL can create, update, delete, and retrieve data in databases like MySQL, Oracle, PostgreSQL, etc. Overall SQL is a query language that communicates with databases.
SQL Tutorial: String Functions in SQL.
Introduction SQL (Structured Query Language) is a powerful programming language used for managing and manipulating relational databases. One of the key features of SQL is …
SQL Tutorial: How to Import an Excel File (CSV) to SQL.
How to Import an Excel File (CSV) to SQL Importing data from an Excel file (CSV) to a SQL database can be a useful skill …
SQL Tutorial: A Comprehensive Guide to SQL Operators.
Introduction to Operators in SQL Operators in SQL are used to perform various operations on data stored in a relational database. They allow us to …
SQL Tutorial: Understanding the WHERE Clause in SQL
Understanding the WHERE Clause in SQL The WHERE clause is an essential component of SQL queries that allows you to filter data based on specific …
SQL tutorial: Understanding the SELECT Statement.
Understanding the SELECT Statement in SQL The SELECT statement is one of the most fundamental and commonly used statements in SQL (Structured Query Language). It …
SQL Tutorial: Insert, Update, Delete, and Alter in SQL
Introduction In this tutorial, we will focus on the basic SQL operations: Insert, Update, Delete, and Alter. Insert Statement The Insert statement is used to …
SQL Tutorial: Creating a Database and Table in SQL
Introduction to SQL SQL (Structured Query Language) is a programming language used for managing and manipulating databases. It is widely used in the field of …
SQL Tutorial: Datatypes, Primary Key, Foreign Key, and Constraints in SQL
Introduction SQL (Structured Query Language) is a programming language used for managing and manipulating relational databases. In this tutorial, we will explore some important concepts …
SQL Tutorial: Understanding Databases and SQL
Welcome to our SQL tutorial! In this article, we will explore the basics of SQL and its role in understanding databases. Whether you are new …