Counts — , , . All yaml-driven. Defaults restored from cookie + localStorage.

Current theme: · Current locale: · Current code theme:

Palette swatches

Typography

Heading —

Subheading sample

Body text in the selected language. The quick brown fox jumps over the lazy dog. —

Vietnamese: Tiếng Việt có dấu — Khoá học nghề thực chiến. · Korean: 한국어 — 기술 · Japanese: 日本語 · Chinese (SC/TC): 简体中文 · 繁體中文 · Arabic: العربية · Hindi: हिन्दी · Thai sample: ไทย

All 26 themes — click to try

Syntax-highlighter preview ()

-- Practical DBA authentication (anchor topic from sample/sql_sandbox_advanced.html)
WITH active_sessions AS (
  SELECT user_id, COUNT(*) AS open_sessions
  FROM   auth.sessions
  WHERE  revoked_at IS NULL AND expires_at > NOW()
  GROUP  BY user_id
)
SELECT u.email, a.open_sessions
FROM   users u
JOIN   active_sessions a ON a.user_id = u.id
WHERE  u.role = 'admin'
ORDER  BY a.open_sessions DESC
LIMIT  20;

Which window function returns the same rank for ties and skips the next?

i18n sample — same strings in the current locale