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Историческую версию Learn Sql Certificate Full можно получить на Android
Учебное пособие по сертификации Sql
This certification is primarily good for developer, application developers, PL/SQL developer, forms developer, system analysts, business analysts and data warehouse administrator. It is also recommended to the entry-level and junior programmers wishing to start and/or continue down the path of using SQL technologies and same time software developers and technical leads wishing to solidify their SQL-related skill sets.