Oracle 1Z0-074 Exam Practice Questions
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Try it Latest Dumps4it 1Z0-074 Braindumps. Get Full File: https://www.dumps4it.com/1z0-074-dumps.html (75 As Dumps) Download the Dumps4it 1Z0-074 Dumps from Google Drive: https://drive.google.com/file/d/1iyYUnKEMt50wR1PdhCBm2IIjd9Yva2_D/view (FREE VERSION!!!) Question No. 1
Which three types of database objects can have their columns stored in the In-Memory column store? (Choose
A. heap tables with composite primary key constraints B. heap tables with dependent materialized views C. clustered tables with dependent materialized views D. index-organized tables stored in system-defined tablespaces E. sys-owned objects stored in sysaux-defined tablespaces B, D, E Answer: Question No. 2
Which statement is true about Trace File Analyzer (TFA) Collector?
A. TFA collects diagnostic data only for Oracle 12c Release 2 databases or later versions. B. If TFA is installed on any cluster node, it automatically collects diagnostic data on all other cluster nodes. C. It can be used to collect diagnostic data for predefined events, and can be configured to automatically D. In Oracle 12c Release 2, TFA installation can be done only while executing root.sh. E. It is used to collect diagnostic data only for ORA-600, ORA-7445, and ORA-4031 events. D Answer: Question No. 3
Which two statements are true about the In-Memory (IM) column store? (Choose two.)
A. It may be used for columns in Index Organized Tables (IOTs) B. It may be used for columns in clustered tables C. IM area size is not controlled by Oracle Automatic Memory Management D. IM area size can be set at the CDB and PDB levels E. IM area size can be increased or decreased dynamically F. It is not used for partitioned tables A, E Answer: Question No. 4
Which three statements are true about the SQL Performance Analyzer? (Choose three.)
A. It recommends the use of SQL Tuning Advisor for regressed SQL statements. B. It recommends the creation of indexes for regressed SQL statements. C. It compares and analyzes execution plans for the SQL statements in a SQL Tuning Set (STS). D. It always executes triggers that are fired recursively in FULLDML mode. E. It generates execution plans for each SQL statement in an STS. A, C, E Answer: Question No. 5
The EMP_CDB1 and EMP_CDB2 CDBs are in ARCHIVELOG mode.
Oracle Managed Files is enabled in both CDBs.
EMP_CDB1 has a PDB, EMP_PDB1.
In EMP_CDB2, you log in as the SYS user.
You plan to execute this statement:
CREATE PLUGGABLE DATABASE emp_pdb2 FROM
[email protected]_link RELOCATE;
Which two statements are true? (Choose two.)
A. The AVAILABILITY MAX clause should be added to the command to ensure transaction consistency B. SYSOPER privilege should be granted to the user defined in EMP_LINK and used to connect to the remote C. EMP_PDB2 should be opened in read-write mode to complete the relocation process. D. EMP_PDB1 should be dropped manually from EMP_CDB1 after executing the relocating command. E. EMP_LINK should exist as a public link in EMP_CDB1 and EMP_CDB2. F. Only EMP_PDB1 should be in local undo mode. C, E Answer: Question No. 6
Examine these parameters in a PFILE used to start database instance.
Which two statements are true after an instance restart is attempted and why? (Choose two.)
A. PGA_AGGREGATE_TARGET and SGA_TARGET remain 1G and 2G respectively. B. PGA_AGGREGATE_TARGET and SGA_TARGET are set to zero for the instance. C. The MEMORY_MAX_TARGET parameter is set to zero for the instance. D. MEMORY_MAX_TARGET is automatically set to 4G for the instance. E. The instance does not start because AMM is enabled but PGA_AGGREGATE_TARGET and SGA_TARGET are set to nonzero values. C, D Answer: Question No. 7
QUERY_REWRITE_INTEGRITY and QUERY_REWRITE_ENABLED are set to TRUSTED and TRUE respectively in an Oracle 12c Release 2 database.
You create the SALES_EVAL real-time materialized view (MV) on the SALES, CUSTOMERS, and PRODUCTS tables, which supports COMPLETE REFRESH by executing these statements.
There is a constraint on the PRODUCTS table with ENABLE, NOVALIDATE, and RELY attributes.
No updates have been done to SALES, CUSTOMERS, or PRODUCTS since the MV was created.
From where are rows returned and why?
A. from the SALES_EVAL MV because the QUERY_REWRITE_ENABLED setting permits rewrites on unverified B. from the SALES, CUSTOMERS, and PRODUCTS tables because QUERY_REWRITE_INTEGRITY is set to C. from the SALES, CUSTOMERS, and PRODUCTS tables because the column in the GROUP BY clause is different from the SALES_EVAL MV definition D. from the SALES, CUSTOMERS, and PRODUCTS tables because the columns used in the SELECT list are different from the SALES_EVAL MV definition E. from the SALES_EVAL MV because the WHERE clause in the query and in the SALES_EVAL definition are the same E Answer:
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