Skip to main content
2026-07-29 16:01
Database

Filter with WHERE

QueryValidateEasy
Try Interactive Demo

Description

Find all products in the Electronics category.

Test Scenario

-- Your query:
SELECT * FROM products WHERE category = 'Electronics';

-- Expected: 4 products (Laptop, Mouse, Keyboard, Webcam)

Testing Tips

  • •WHERE clause filters rows
  • •String values need single quotes
  • •Comparison is case-sensitive by default
// Playwright API Testing - Database
import { test, expect } from '@playwright/test';


test('Database query via API', async ({ request }) => {
  const response = await request.post('/api/database/query', {
    data: {
      sql: 'SELECT * FROM users WHERE id = ?',
      params: [1]
    }
  });


  expect(response.ok()).toBeTruthy();
  const { rows } = await response.json();
  expect(rows.length).toBeGreaterThan(0);
});

Challenge ID: sql-where-filter

2 frameworks available