Topic practice collection

LIMIT & OFFSET SQL practice questions

Practice deterministic top-N, cutoff ties, offset pagination, composite keyset cursors, and resumable bounded batches.

Exercises
7
Difficulty
Beginner to Advanced

What this collection tests

Skills and query patterns

LIMIT, OFFSET, TOP, FETCH WITH TIES, stable page boundaries, keyset pagination, and high-water marks

Curated exercises

Choose a problem

Work in the live editor where supported. Advanced guided labs state their engine boundary before you open the workspace.

  1. Problem 1Easy

    Return a Deterministic First Batch

    Return event_id, event_time, stream, and severity for the first four events by event_id.

    • Sorting
    • Top-N

    SQLite + PostgreSQL + MySQL + SQL Server live · 1 guided

    Open problem →
  2. Problem 2Easy

    Return a Stable Top Three

    Return event_id, stream, and severity for the three highest-severity events.

    • Sorting
    • Top-N

    SQLite + PostgreSQL + MySQL + SQL Server live · 1 guided

    Open problem →
  3. Problem 3Medium

    Calculate and Return Page Two

    Return page two of page_events with page size four, ordered by event_time descending and event_id descending.

    • Sorting
    • Top-N

    SQLite + PostgreSQL + MySQL + SQL Server live · 1 guided

    Open problem →
  4. Problem 4Hard

    Include Every Row Tied at the Cutoff

    Return the first three events by severity with all cutoff ties, then display the selected rows by severity descending and event_id ascending.

    • Window functions
    • Subqueries
    • Filtering

    PostgreSQL live

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  5. Problem 5Hard

    Build a Filtered Pagination Contract

    Return page three with page size three for streams 'orders' and 'payments', newest events first.

    • Filtering
    • Sorting
    • Top-N

    SQLite + PostgreSQL + MySQL + SQL Server live · 1 guided

    Open problem →
  6. Problem 6Hard

    Continue with a Composite Keyset Cursor

    Return the next four events after cursor (event_time '2025-05-03 09:00:00', event_id 107) in descending keyset order.

    • Filtering
    • Sorting
    • Top-N

    SQLite + PostgreSQL + MySQL + SQL Server live · 1 guided

    Open problem →
  7. Problem 7Hard

    Resume a Bounded Backfill Batch

    Return the next three events after event_id 104, without reading beyond high-water event_id 110.

    • Filtering
    • Sorting
    • Top-N

    SQLite + PostgreSQL + MySQL + SQL Server live · 1 guided

    Open problem →
01

Attempt

Write a query or design from the brief before opening any hints.

02

Validate

Run it against the included dataset and inspect the output.

03

Explain

Compare the verified answer and explain each choice aloud.

Learn before practicing LIMIT & OFFSET

Strengthen your understanding with these targeted learning topics: