1Z1-060 Exam Question 161
You find this query being used in your Oracle12c database:
Which method a used by the optimizer to limit the rows being returned?
Which method a used by the optimizer to limit the rows being returned?
1Z1-060 Exam Question 162
Your multitenant container database, CDB1, is running in ARCHIVELOG mode and has two pluggable databases, HR_PDB and ACCOUNTS_PDB. An RMAN backup exists for the database.
You issue the command to open ACCOUNTS_PDB and find that the USERDATA.DBF data file for the default permanent tablespace USERDATA belonging to ACCOUNTS_PDB is corrupted.
What should you do before executing the commands to restore and recover the data file in ACCOUNTS_PDB?
You issue the command to open ACCOUNTS_PDB and find that the USERDATA.DBF data file for the default permanent tablespace USERDATA belonging to ACCOUNTS_PDB is corrupted.
What should you do before executing the commands to restore and recover the data file in ACCOUNTS_PDB?
1Z1-060 Exam Question 163
Your database supports a DSS workload that involves the execution of complex queries: Currently, the library cache contains the ideal workload for analysis. You want to analyze some of the queries for an application that are cached in the library cache.
What must you do to receive recommendations about the efficient use of indexes and materialized views to improve query performance?
What must you do to receive recommendations about the efficient use of indexes and materialized views to improve query performance?
1Z1-060 Exam Question 164
Your multitenant container database (CDB) contains some pluggable databases (PDBs), you execute the following command in the root container:
Which two statements are true? (Choose two.)
Which two statements are true? (Choose two.)
1Z1-060 Exam Question 165
You are required to migrate your 11.2.0.3 database as a pluggable database (PDB) to a multitenant container database (CDB).
The following are the possible steps to accomplish this task:
1. Place all the user-defined tablespace in read-only mode on the
source database.
2. Upgrade the source database to a 12c version.
3. Create a new PDB in the target container database.
4. Perform a full transportable export on the source database with the
VERSION parameter set to 12 using the expdp utility.
5. Copy the associated data files and export the dump file to the
desired location in the target database.
6. Invoke the Data Pump import utility on the new PDB database as a
user with the DATAPUMP_IMP_FULL_DATABASE role and specify the full
transportable import options.
7. Synchronize the PDB on the target container database by using the
DBMS_PDS.SYNC_ODB function.
Identify the correct order of the required steps.
The following are the possible steps to accomplish this task:
1. Place all the user-defined tablespace in read-only mode on the
source database.
2. Upgrade the source database to a 12c version.
3. Create a new PDB in the target container database.
4. Perform a full transportable export on the source database with the
VERSION parameter set to 12 using the expdp utility.
5. Copy the associated data files and export the dump file to the
desired location in the target database.
6. Invoke the Data Pump import utility on the new PDB database as a
user with the DATAPUMP_IMP_FULL_DATABASE role and specify the full
transportable import options.
7. Synchronize the PDB on the target container database by using the
DBMS_PDS.SYNC_ODB function.
Identify the correct order of the required steps.
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