OSS-DB Silver Certified Engineers
Engineers capable of designing, developing, implementing and operating a database system
|Certification name||OSS-DB Silver|
|Exam name||OSS-DB Exam Silver|
|Exam version name||Version 1.0 ( PostgreSQL 9 )
Version 2.0 ( PostgreSQL 10 and PostgreSQL 11 )
*) Until March 31, 2021, you can choose to take the exam of either version.
|Advantage of being certified as OSS-DB Silver||
This proves that a certified engineer has the following skills and knowledge.
|Prerequisites||Work experience and qualifications are not required to take the exam.|
|Duration of learning||From two weeks to one month as a general guide|
|Exam cost||16,500 yen per exam (in Japan)
150 USD (w/o tax) per exam (outside Japan)
|Number of questions||
50 per exam
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.
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 including a simple questionnaire after the exam.
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.
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.
Step 3: Take the Exam
|These will be sent to you three weeks after taking the exam.|
This logo can only be used on a name card, etc. by the engineers certified as "OSS-DB Silver".
Use the following phrase when you indicate the certification with words.
| Active certification status
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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