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OSS-DB Silver

OSS-DB Silver Certified Engineers
Engineers capable of designing, developing, implementing and operating a database system

About OSS-DB Silver

Certification name OSS-DB Silver
Exam name OSS-DB Exam Silver
Advantage of being certified as OSS-DB Silver This proves that a certified engineer has the following skills and knowledge.
  • Knowledge of RDBMS and SQL
  • Basic knowledge of open source database
  • Can operate and maintain a small-scale database system using OSS-DB, such as PostgreSQL
  • Can develop a small-scale system using OSS-DB, such as PostgreSQL
Prerequisites Work experience and qualifications are not required to take the exam.

Overview and Information for Taking the Exam

Duration of learning From two weeks to one month as a general guide
Exam cost 16,200 yen per exam (in Japan)
150 USD (w/o tax) per exam (outside Japan)
Number of questions 50 per exam
Pass line 64 points
Testing style

Computer based testing (CBT). An examinee answers approximately 50 questions online using a computer. Most questions are multiple-choice answered by using a mouse; however, some questions require keyboard entry. There is no hands-on certification test or interview.

Exam date/place

Select a desired date and location freely from various parts of the country when you apply for the exam. The duration of the exam is 90 minutes (*).

* The actual duration of the exam will be 80 minutes since you will be required to sign the "Non-Disclosure Agreement" and to answer a simple questionnaire after the exam, which takes about five minutes each.

Contact the following test center for details of exam date and place.


Taking an exam

Step 1: Register

You must register online to receive an EDUCO identification number (EDUCO-ID) first.Failure to complete this step may effect your eligibility for your desired time slot. Also you must provide your EDUCO-ID to the test centers when registering for an exam. Registration is free of charge and is completed here at the LPI-Japan web site.


Step 2: Schedule to Take an Exam

OSS-DB exams are delivered through a number of different methods; choose one that's most convenient:

You must provide your EDUCO-ID to the test centers when registering for an exam. If you do not provide your EDUCO-ID, your exam may not get loaded.

You can register for OSS-DB exams through one of the thousands of Pearson VUE testing centers worldwide. Once you have located a convenient Pearson VUE center, you may schedule to take an OSS-DB exam either online or by phone.

Pearson Vue

Step 3: Take the Exam

Exam result You will receive your exam results immediately upon completion.

Once You Acquire Certification

When you pass "OSS-DB Exam Silver", it means you are certified as "OSS-DB Silver".

Certification card
These will be sent to you three weeks after taking the exam.
Certificate sample Certification card sample
Certification logo

This logo can only be used on a name card, etc. by the engineers certified as "OSS-DB Silver".
The logo can be downloaded from the following:

⋅ Use the following phrase when you indicate the certification with words.
OSS-DB Silver Certified Engineer
Open Source Software Database Professional Certification Silver Certified Engineer

⋅ Example of logo mark
Name card sample
Active certification status
(Recertification policy)

There is no validity period, but there is an "*) active certification status (recertification policy)".
To RETAIN an ACTIVE certification status, a certification holder is REQUIRED to recertify within 5 years from the certified date.
Or you need to acquire the OSS-DB Gold certification within five years.

*) About "Recertification Policy"

Once a person is certified by LPI-Japan and receives a certification designation (OSS-DB Silver, OSS-DB Gold), recertification is recommended after two years from the date of the certification designation to retain a current certification status. However, to RETAIN an ACTIVE certification status, a certification holder is REQUIRED to recertify within 5 years of the certification designation.

Recertification requires that the individual candidate passes all up-to-date exams that are only required for the highest earned certification designation. After successful recertification, the designation status will be updated to ACTIVE for a period of FIVE years.

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