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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. User Scott has updated the salary of one of the employees in the EMPLOYEES table and has not committed the transaction. What are the two types of locks that this scenario would lead to? (Choose two.)

A) exclusive table-level lock for the table containing the row
B) a shareable table lock for the table containing the row
C) ROW EXCLUSIVE lock for the row being updated
D) shared row-exclusive lock for the row being updated
E) null lock on the table containing the row
F) null lock on the row being updated
G) ROW SHARE lock for the row being updated

2. You execute the following set of commands to create a database user and to grant the system privileges in your production environment.
SQL> CREATE USER user01 IDENTIFIED BY oracle DEFAULT TABLESPACE tbs1 TEMPORARY TABLESPACE temp
PROFILE default
/
SQL> GRANT create session, create table TO user01;
While executing the command to create a table, the user gets the following error message and the CREATE TABLE.. command fails.
ERROR at line 1:
ORA-01950: no privileges on tablespace
What could be the possible reason for this error message?

A) The user does not have sufficient system privileges to create table in the TBS1 tablespace.
B) The tablespace TBS1 is full.
C) The user is not the owner of the SYSTEM tablespace.
D) The user does not have quota on the TBS1 tablespace.
E) The user does not have sufficient privileges to create table on the default permanent tablespace.

3. Which three statements are true regarding the logical structure of the Oracle database? (Choose three.)

A) It is possible to have tablespaces of different block sizes in a database.
B) A data block is the smallest unit of I/O for data files.
C) Each data block in the database always corresponds to one OS block.
D) Each segment contains one or more extents.
E) Multiple tablespaces can share single data file.

4. Which is the memory area that is created when a dedicated server process is started, and contains data and control information for that server process?

A) SGA
B) PGA
C) Shared Pool
D) Streams Pool

5. You executed the following command to back up your control file:
ALTER DATABASE BACKUP CONTROLFILE TO TRACE;
Which initialization parameter is used to specify the location of the trace file?

A) BACKUP_DUMP_DEST
B) TRACE_DUMP_DEST
C) CORE_DUMP_DEST
D) BACKGROUND_DUMP_DEST
E) USER_DUMP_DEST

Solutions: