Study tips 1z0-042

Study tips 1z0-042, Database 10g Administration I

From what point in the redo log does recovery begin and where does it end?

Which is the correct description of the significance of the ORACLE_HOME environmental variable?

What are the implications of this?

Which statement is true when you run the SQL Tuning Advisor with limited scope?

Which statement is true about the subsequent opening of the database?

Which option corresponds to the type of activities performed by you?

Which environmental variable would you set to achieve this objective?

Which two statements are true regarding a PL/SQL package body?

Which method would you use to achieve this objective?

com)))The TNSPING command executes successfully when tested with ORCL but you are not able to connect to the database instance with the following command:SQL> CONNECT scott/tiger@orclWhat could be the reason for this?