SQL & GraphQL Editor: Query Database and APIs

Write, edit, and test SQL queries and GraphQL operations with our online editor. Full syntax highlighting makes it easy to write correct queries and debug issues.

SQL Editor

Write SQL queries with confidence using our SQL editor:

SQL Features

• Syntax highlighting for SQL keywords
• Support for SELECT, INSERT, UPDATE, DELETE
• JOIN operations and subqueries
• Window functions and CTEs
• Auto-formatting for readability

SQL Examples

-- Select with JOIN
SELECT u.name, o.total
FROM users u
INNER JOIN orders o ON u.id = o.user_id
WHERE o.created_at > '2024-01-01'
ORDER BY o.total DESC;

-- Window functions
SELECT 
    name,
    salary,
    RANK() OVER (PARTITION BY department ORDER BY salary DESC) as rank
FROM employees;

-- Common Table Expression (CTE)
WITH recent_orders AS (
    SELECT * FROM orders 
    WHERE created_at > CURRENT_DATE - INTERVAL '30 days'
)
SELECT COUNT(*) FROM recent_orders;

GraphQL Editor

Write GraphQL queries and mutations with proper syntax highlighting:

GraphQL Features

• Query and mutation syntax
• Fragment support
• Variable definitions
• Directives and aliases
• Schema introspection

GraphQL Examples

# Query with variables
query GetUser($id: ID!) {
    user(id: $id) {
        id
        name
        email
        posts {
            title
            content
        }
    }
}

# Mutation
mutation CreatePost($input: PostInput!) {
    createPost(input: $input) {
        id
        title
        createdAt
    }
}

# Fragment
fragment UserFields on User {
    id
    name
    email
}

query GetUsers {
    users {
        ...UserFields
    }
}

Best Practices

SQL Best Practices

• Use parameterized queries to prevent SQL injection
• Index frequently queried columns
• Use JOINs instead of subqueries when possible
• Limit result sets with WHERE clauses
• Format queries for readability

GraphQL Best Practices

• Request only needed fields
• Use fragments for reusable field sets
• Name queries and mutations descriptively
• Use variables for dynamic values
• Handle errors gracefully

Use Cases

• Database query development and testing
• API endpoint testing
• Data analysis and reporting
• Learning SQL and GraphQL syntax
• Documentation and examples

Write SQL and GraphQL queries with our SQL/GraphQL Editor!