OSS-DB Silver 対策アプリ

10+
Downloads
Content rating
Everyone
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About this app

[The ultimate app for passing the OSS-DB Silver exam! Efficiently learn PostgreSQL knowledge on your smartphone]

This is a full-scale problem collection app for PostgreSQL for those who are taking the OSS-DB Silver exam. This app thoroughly analyzes the scope of questions in OSS-DB Silver (Open Source Database Engineer Certification) and contains more than 210 questions in 10 chapters. We have pursued ease of use and practical skills so that you can study even in your spare time.

One-time purchase with no ads and no user registration required. You can start studying immediately and all functions are available.

■Main features of the app
-Contains more than 210 questions from the OSS-DB Silver exam scope

-10 chapters of units to gradually deepen your understanding

-Each question comes with a detailed explanation to help you solidify your knowledge

-Simple design and smartphone optimization that allows you to study even in your spare time

-Improve your practical skills with multiple-choice questions that are conscious of the actual exam

■Convenient and abundant learning support functions
This app is equipped with the following functions to support learning efficiency and continuity.

・Reset answer results: Clear past history and restart

・Reset bookmarks: Manage important questions all at once

・Randomize question order: Understand the essence without relying on memorization

・Randomize options: Prevent dependency on selection position

・Re-assign only incorrect questions: Ideal for strengthening weak points

・Assign only bookmarked questions: Focus on reviewing important questions

・Random questions (5-50 questions): Select the optimal amount for your free time

・Visualize learning progress: Check the achievement rate for each unit

・Dark mode support: Ideal for nighttime learning

■Included units (10 chapters in total)
This app complies with the official question scope and allows you to study in the following chapters.

General knowledge

Basic knowledge of databases

Installation

Standard tools

Configuration files

Backup and restore

Basic operation management

SQL and objects

Built-in functions and operators

Transactions

■What is OSS-DB Silver?

OSS-DB Silver is a national qualification certified by LPI-Japan that measures PostgreSQL technical skills. The exam covers the basics to applications of open source database technology, and the following knowledge about PostgreSQL is especially required.

・Basic knowledge of databases

・Installation and configuration file management

・How to use standard tools

・Backup and restore methods

・Operation management and permission settings

・SQL and object operations

・Transaction and role management

The difficulty level is intermediate, but it is said that it is difficult for inexperienced people to study on their own. This app is designed to allow even such people to prepare with confidence.

■Recommended usage scenarios

・On the train during your commute to work or school

・Just 5 questions during your lunch break

・Review time before going to bed

・In the spare time when you cannot open a paper reference book

■For those who want to try it for free
For those who want to try it first, you can try out sample questions for free by registering with the official LINE account.

Please feel free to use it from the link below.

https://lin.ee/5aFjAd4

■Install and take the first step to passing!
You can pass even if you study on your own!
This app will be your trusted partner in passing the OSS-DB Silver exam.

Install it now and take the first step towards your future career!
Updated on
Jul 8, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Personal info and 3 others
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

What’s new

初回リリース

App support

About the developer
松原大輔
matsubara.d.work@gmail.com
京島1丁目1−1 イーストコア曳舟 一番館 1509 墨田区, 東京都 131-0046 Japan
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