The Oracle Certification Program contains three levels. Which of these is not one of them?

What is the definition of data buffer cache?

The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table. As a user of the database, you created a table called HR in your schema. What happens when you execute this query? select * from HR

"Select for Update" performs:

What command is used to restore an "accidentally" dropped table?

Order the following entities from the smallest to the largest:

Given the following data in the emp table: ENAME SALARY : PING 5000 AILYN 4999 SAM 1000 LESLIE 3000 TOM 2500 RAVI 10000 What will the following select statement produce? SELECT ename FROM emp WHERE salary BETWEEN 3000 AND 5000;

When you issue the command "ALTER DATABASE BACKUP CONTROLFILE TO TRACE", a text script version of backup control file will be created. Where is this file located?

Which function is not in DBMS_OUTPUT?

A "virtual" table name to query the current time is:

This protects the library cache from becoming corrupted by concurrent modifications by two sessions or by one session trying to read information that is being modified by another one.