SQL Academy — Databases from First Query to Data Engineering: A+ Axiom | A+ Axiom Platform

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SQL Academy — Databases from First Query to Data Engineering

Name: SQL Academy — Databases from First Query to Data Engineering
Brand: A+ Axiom
Price: 129 GHS

12-level SQL and databases curriculum that runs real PostgreSQL queries in-browser via PGlite (no server required). Students progress from foundational SELECT statements through joins, aggregates, window functions, CTEs, normalization, advanced PostgreSQL features, performance tuning, and data engineering pipelines — with SQLBot providing AI-powered query hints and explanations at every step.

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Key Benefits

12 progressive levels — First Query through Data Engineering — with 144 interactive lessons
Real PostgreSQL execution in-browser via PGlite WASM — no server or installation needed
In-browser SQL editor with schema viewer, result tables, and live query feedback
Auto-graded SQL challenges with test-case validation and AI query explanations via SQLBot
40+ achievement badges, WPM-style query speed tracking, SQL diploma on completion

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What's Included

12 progressive levels — DB Foundations, SQL Mastery, DML, Joins, Aggregations, Subqueries/CTEs, Window Functions, DB Design, Performance/Indexes, PostgreSQL Deep Dive, SQL + Modern Stack, Data Engineering Capstone

144 hand-crafted interactive lessons with theory, live examples, and graded challenges

In-browser SQL execution via PGlite (PostgreSQL WASM) — runs real PostgreSQL queries, no server needed

SQL Lab — Monaco editor in SQL mode with schema preloaded from each lesson, run queries instantly

SQLBot — AI tutor that explains query results, hints at errors without spoiling answers, and teaches optimization

40+ achievement badges across milestone, level, streak, XP, and SQL skill categories

Level-completion certificates issued automatically

Graduation diploma on completing all 12 levels with a unique shareable public URL

Daily learning streaks with tracking dashboard

School-wide leaderboard ranked by total XP

Teacher dashboard — per-class SQL progress with XP, lessons, streaks, and level status

Admin analytics — active students, completion rates by level, 30-day activity chart, top students

Covers: SELECT/WHERE/ORDER BY/LIMIT, NULL handling, string/date functions, BETWEEN/IN/LIKE, JOINs (INNER/LEFT/RIGHT/FULL/SELF/CROSS), GROUP BY/HAVING/ROLLUP/CUBE, subqueries, correlated subqueries, CTEs (recursive), window functions (ROW_NUMBER/RANK/LEAD/LAG/running totals), JSONB, arrays, full-text search, triggers, views, row-level security, indexes, EXPLAIN ANALYZE, Prisma ORM, SQL injection prevention

Lesson unlock progression — must complete each lesson before the next unlocks

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SQL Academy — Databases from First Query to Data Engineering

Key Benefits

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What's Included

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