1. Make decision among Oracle, SQL Server, DB2, ...
Pick one only. I suggest you Oracle.2. If you take Oracle, learn SQL first, then PL/SQL.3. Forget about such thing as Database Principle. Spend your time on SQL, PL/SQL.4. Before you have a good understanding of SQL and PL/SQL, stop dreaming anything else.
Pick one only. I suggest you Oracle.2. If you take Oracle, learn SQL first, then PL/SQL.3. Forget about such thing as Database Principle. Spend your time on SQL, PL/SQL.4. Before you have a good understanding of SQL and PL/SQL, stop dreaming anything else.
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