We recommend reading this tutorial, in the sequence listed in the left side menu. This SQL tutorial will help both students as well as working professionals who want to develop applications based on some databases like banking systems, support systems, information systems, web websites, mobile apps or personal blogs etc. Set permissions on tables, procedures and views. SQL provides following functionality to the database programmers −Įxecute different database queries against a database.ĭefine the data in a database and manipulate that data.Ĭreate data in a relational database management system.Īccess data from the relational database management system.Ĭreate view, stored procedure, functions in a database. SQL is one of the most widely used Query Language over the databases. MS Access version of SQL is called JET SQL (native format) etc. All the Relational Data Base Management Systems (RDBMS) like MySQL, MS Access, Oracle, Sybase, Informix, Postgres and SQL Server use SQL as their standard database language.Īlso, software industry is using different dialects of SQL, such as − SQL is the standard language for any Relational Database System. There are many good reasons which makes SQL as the first choice of any programmer − SQL is fairly easy to learn, so if you are starting to learn any programming language then it is very much advised that you should also learn SQL and other Database related concepts to become a complete Software Programmer. SQL is the most common language used almost in every application software including banking, finance, education, security etc. SQL (Structured Query Language) is a MUST for the students and working professionals to become a great Software Engineer specially when they are working in Software Development Domain. This will produce the following result: ID SELECT * FROM CUSTOMERS WHERE country = 'USA' For example, if we want to list down all the customers from USA then following will be the SQL query. SQL makes it easy to manipulate this data using simple DML (Data Manipulation Language) Statements. SQL ExampleĬonsider we have following CUSTOMERS table which stores customer's ID, Name, Age, Salary, City and Country − ID SQL is not a database management system, but it is a query language which is used to store and retrieve the data from a database or in simple words SQL is a language that communicates with databases. SQL was developed in the 1970s by IBM Computer Scientists. SQL stands for Structured Query Language. SQL is a database computer language designed for the retrieval and management of data in a relational databases like MySQL, MS Access, SQL Server, Oracle, Sybase, Informix, Postgres etc. It covers most of the important concepts related to SQL for a basic to advanced understanding of SQL and to get a feel of how SQL works. Our SQL tutorial helps you learn SQL (Structured Query Language) in simple and easy steps so that you can start your database programming quickly. SQL (Structured Query Language) is a programming language which is used to manage data stored in relational databases like MySQL, MS Access, SQL Server, Oracle, Sybase, Informix, Postgres etc. PDF Version Quick Guide Resources Job Search Discussion
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