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SQL Language Curriculum
History of SQL Language
1970: Concept of relational databases introduced by Edgar F. Codd at IBM.
1974: First version of SQL (called SEQUEL – Structured English Query Language) developed at IBM.
1979: Oracle releases the first commercial implementation of SQL, making it widely available.
1986: SQL becomes an ANSI standard (ANSI SQL).
1987: SQL standardized by ISO, ensuring global acceptance.
Evolution: Expanded with features like triggers, stored procedures, views, and advanced joins.
Current use: SQL is the standard language for managing and querying relational databases such as MySQL, PostgreSQL, Oracle, and Microsoft SQL Server.
- SQL Introduction
- SQL Syntax
- SQL Select
- SQL Select Distinct
- SQL Where
- SQL Order By
- SQL And
- SQL Or
- SQL Not
- SQL Insert Into
- SQL Null Values
- SQL Update
- SQL Delete
- SQL Select Top
- SQL Aggregate Functions
- SQL Min and Max
- SQL Count
- SQL Sum
- SQL Avg
- SQL Like
- SQL Wildcards
- SQL In
- SQL Between
- SQL Aliases
- SQL Joins
- SQL Inner Join
- SQL Left Join
- SQL Right Join
- SQL Full Join
- SQL Self Join
- SQL Union
- SQL Union All
- SQL Group By
- SQL Having
- SQL Exists
- SQL Any, All
- SQL Select Into
- SQL Insert Into Select
- SQL Case
- SQL Null Functions
- SQL Stored Procedures
- SQL Comments
- SQL Operators
- SQL 200+ Queries Examples
SQL Database
An SQL Database is a type of relational database that stores and organizes data in tables made up of rows and columns. SQL stands for Structured Query Language, which is the standard language used to insert, update, delete, and query data in these databases.
- SQL Create DB
- SQL Drop DB
- SQL Backup DB
- SQL Create Table
- SQL Drop Table
- SQL Alter Table
- SQL Constraints
- SQL Not Null
- SQL Unique
- SQL Primary Key
- SQL Foreign Key
- SQL Check
- SQL Default
- SQL Index
- SQL Auto Increment
- SQL Dates
- SQL Views
- SQL Injection
- SQL Hosting
- SQL Data Types
Why Learn SQL Language?
Learning SQL (Structured Query Language) is essential because it is the backbone of data management in today’s digital world. SQL allows you to store, manage, and analyze data efficiently, making it a vital skill for working with databases like MySQL, PostgreSQL, Oracle, and SQL Server. With SQL knowledge, you can build a career in fields such as data analysis, database administration, software development, and business intelligence. It is simple to learn yet powerful enough to handle complex queries, transactions, and reporting, which is why SQL is in high demand across industries including finance, healthcare, e-commerce, and IT services. By learning SQL, you gain a future-proof skill that opens limitless career opportunities in the technology sector.
Future Scope After Learning SQL Language
The future scope of SQL is very bright, as databases remain at the core of every business and technology platform. With SQL skills, you can pursue high-demand careers such as Database Administrator, Data Analyst, Backend Developer, Business Intelligence Expert, or Software Engineer. SQL also serves as a foundation for advanced technologies like Data Science, Artificial Intelligence, Cloud Computing, and Big Data Analytics, making it a valuable long-term skill. From startups to multinational companies, every organization requires professionals who can manage and analyze data effectively, ensuring excellent job opportunities and career growth in Ghaziabad, Greater Noida, and globally.
