One is the development of Oracle, which mainly uses Sql statements. Generally speaking, other development languages are used for development, such as PB, VB, VC, Java, Delphi,. Net, etc. To cooperate with the development of C/S and B/s architecture programs.
One is the management of Oracle, that is, DBA, English database administrator.
Mainly to maintain the database. Just learn SQL statements and the structure of Oracle.
DBA needs to have a deep understanding of Oracle, otherwise it will be difficult to succeed.
Oracle development, relatively speaking, does not necessarily have a deep understanding of Oracle. Of course, the more you know, the better you develop.