CertBook: SQL & DBA
iOS app by Tolga Saruslu. Education · Tolga Saruslu
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.1
- Listing last refreshed
- 2026-09-12
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Store description excerpt
An offline study guide for Oracle database certifications. Unofficial; not affiliated with Oracle Corporation. WHAT'S INSIDE • Chapters and sections organised separately for six exams • Code examples, a catalogue of pitfalls and a quiz in every section • Practice exams in the real exam format: same question count, same duration, same topic distribution • A free sample exam — no purchase required • A "My mistakes" list that collects the questions you got wrong • A weakness map broken down by topic HOW IT WORKS All content lives on your device. No network requests, no required account, no ads, no tracking. It works in airplane mode. QUESTIONS THAT DON'T TEST MEMORISATION Every question targets a failure mode. Distractors are derived from real mistakes, and each explanation says not only why the right answer is right but why the wrong ones are tempting. PURCHASES Full practice exams unlock with a one-time purchase. No subscription, no auto-renewal.
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