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GowthamRaj K
42 lines
1.6 KiB
Markdown
42 lines
1.6 KiB
Markdown
# SQL-Tutorials ❤️
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In this module, I will be updating the topic wise SQL tutorial notes which is very useful for a fresher to start with MYSQL from basics
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# Introduction 👋
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- SQL stands for Structured Query Language.
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- This tutorial will give you a quick start to SQL.
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- It covers most of the topics required for a basic understanding of SQL and to get a feel of how it works.
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# Why to Learn SQL 🤔
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- SQL is the standard language for Relational Database System.
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- All the Relational Database Management Systems (RDMS) like MySQL, MS Access, Oracle, Sybase, Informix, Postgres and SQL Server use SQL as their standard database language.
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Also, they are using different dialects, such as −
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### 1) MS SQL Server using T-SQL,
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### 2) Oracle using PL/SQL,
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### 3) MS Access version of SQL is called JET SQL (native format) etc.
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# Applications of SQL ✔️
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- SQL is one of the most widely used query language over the databases.
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- I'm going to list few of them here:
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### - Allows users to access data in the relational database management systems.
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### - Allows users to describe the data.
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### - Allows users to define the data in a database and manipulate that data.
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### - Allows to embed within other languages using SQL modules, libraries & pre-compilers.
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### - Allows users to create and drop databases and tables.
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### - Allows users to create view, stored procedure, functions in a database.
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### - Allows users to set permissions on tables, procedures and views.
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