SQL Miscellaneous Topics
In this miscellaneous section, you will encounter concepts like stored procedures for automating repetitive tasks, triggers for automated actions based on data changes, and window functions for complex calculations within a single query.
- SQL Wildcards Operators
- SQL Comments
- SQL Pivot and Unpivot
- SQL Injection
- SQL Hosting
- SQL Performance Tuning
- SQL Stored Procedures
- SQL Transactions
- SQL Sub Queries
- SQL Using Sequences
- SQL Auto Increment
- SQL Window functions
- SQL Date & Time
- SQL Cursors
- SQL Common Table Expressions
- SQL Database Tuning
- SQL Dynamic SQL
SQL Tutorial
In this SQL tutorial, you’ll learn all the basic to advanced SQL concepts like SQL queries, SQL join, SQL injection, SQL insert, and creating tables in SQL. SQL is easy to learn, there are no prerequisites to learning SQL.
So, SQL is a standard database language used to access and manipulate data in databases. SQL stands for Structured Query Language. It 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.
What is a Database?
Before deep diving into this free SQL tutorial, let’s understand what a database is.
So, data is the new fuel of this world, but data is unorganized information, so to organize that data, we make a database. A database is an organized collection of structured data, usually controlled by a database management system (DBMS). Databases help us easily store, access, and manipulate data held on a computer.