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Patryk Czarnik
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Oracle Certified Associate, Java SE 8 Programmer
Oracle
Oracle Certified Associate, Java SE 7 Programmer
Oracle
Oracle Database SQL Certified Expert
Oracle
Oracle Certified Professional, Java SE 8 Programmer
Oracle
Oracle Certified Professional, Java SE 7 Programmer
Oracle
Oracle Certified Expert, Java EE 6 Web Services Developer
Oracle
EDB Certified Associate - PostgreSQL 9.3
EDB
