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1Z0-052 Exam Certification Guides 2018

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Question: 21

Question: 21 Examine these facts about a database: The database default tablespace is USERS DEFERRED_SEGMENT_CREATION IS TRUE The default tablespace of USER1 is tbs1 USER1 has only these privileges: CREATE SESSION CREATE TABLE UNLIMITED quota on tbs1 Examine these commands executed by USER1: What will be the outcome of the INSERT operation and why? A. A row will be inserted into EMP and an index entry will be inserted into a virtual column of EMP because USER1 has no quota on USERS B. It will fail because an indexed column cannot have NULL values C. It will fail because USER1 has no quota on USERS D. A row will be inserted into EMP but no index entry will be made into EMP_IDX E. A row will be inserted into EMP and an index entry will be made into EMP_IDX Question: 22 Answer: E In your database: SGA_TARGET = 270M PGA_AGGREGATE_TARGET = 90M The MEMORY_TARGET and MEMORY_MAX_TARGET parameters are currently not configured. You execute the command: ALTER SYSTEM SET MEMORY_TARGET = 400M; What is the outcome and why? A. The execution fails because SGA_TARGET and PGA_AGGREGATE_TARGET are already configured Visit us athttps://www.certifyguide.co.uk/exam/1z0-052/

B. The execution is successful and automatic memory management is enabled C. The execution is successful but does not enable automatic memory management because the MEMORY_MAX_TARGET parameter must be configured to a value greater than MEMORY_TARGET D. The execution fails because the MEMORY_MAX_TARGET parameter must be configured to 400M before configuring the MEMORY_TARGET parameter Question: 23 Answer: B Which two are true about Optimizer Statistics? (Choose two.) A. They are automatically updated when DDL statements execute B. They can be gathered by executing the PL/SQL procedures in the DBMS_STATS package C. They are gathered by the Manageability Monitor (MMON) background process D. They provide information to the Optimizer so that it can determine optimal execution plans for SQL statements E. They can be used to determine the events on which a database instance waited F. They do not persist across instance restarts Question: 24 Answer: B,D USER1 grants SELECT, INSERT, and UPDATE privileges on USER1, EMP to USER2. SYS executes this command: SQL>REVOKE UPDATE ON user1.emp FROM user1; What will be the outcome? A. It will succeed and only USER1 will be unable to perform SELECT, INSERT, or UPDATE on USER1.EMP B. It will succeed and only USER2 will be unable to perform SELECT, INSERT, or UPDATE on USER1.EMP C. It will fail because USER1 is the owner of USER1.EMP D. It will succeed but neither USER1 nor USER2 will be able to perform SELECT, INSERT, or UPDATE on USER1.EMP E. It will succeed and neither USER1 nor USER2 will be able to perform INSERT or UPDATE on USER1.EMP, but both will be able to query USER1.EMP Answer: C Visit us athttps://www.certifyguide.co.uk/exam/1z0-052/

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