Getting Started with SQLai
Welcome to SQLai
SQLai is your intelligent SQL learning and practice platform. Whether you're a beginner or an experienced developer,
our platform provides the tools and resources you need to master SQL and database management.
Key Features
- Interactive SQL Generator with real-time generation
- Support for multiple popular databases
How to Use This Guide
This help section is organized into several tabs to help you find the information you need:
- Getting Started: Platform overview and basic concepts
- SQL Basics: Fundamental SQL concepts and syntax
- Popular Databases: Information about supported databases
- Advanced Topics: Complex SQL concepts and best practices
SQL Basics
What is SQL?
SQL (Structured Query Language) is a standard language for storing, manipulating, and retrieving data in databases.
It's used by millions of developers worldwide and is essential for working with relational databases.
Basic SQL Commands
SELECT - Retrieving Data
SELECT column1, column2
FROM table_name
WHERE condition;
INSERT - Adding Data
INSERT INTO table_name (column1, column2)
VALUES (value1, value2);
UPDATE - Modifying Data
UPDATE table_name
SET column1 = value1, column2 = value2
WHERE condition;
DELETE - Removing Data
DELETE FROM table_name
WHERE condition;
Common SQL Clauses
- WHERE: Filters records based on conditions
- GROUP BY: Groups rows that have the same values
- HAVING: Filters groups based on conditions
- ORDER BY: Sorts the result set
- LIMIT: Specifies the number of records to return
SQL Data Types