OKsystem news
2016-07-12
You have a great opportunity to learn the administration of database PostgreSQL with its developer, Pavel Stěhule. Pavel Stěhule has been collaborating on development of PostgreSQL for many years…
OKsystem news
2016-07-01
Cisco certification Some of the Cisco certification exams will be replaced by a new version during the summer. With the new version of the exam will correspond also a new…