1Z0-062 Exam Questions
388 real 1Z0-062 exam questions with expert-verified answers and explanations. Page 1 of 8.
- Question #1Performing Database Maintenance
Which three statements are true about a job chain?
Job schedulerJob chainsDependency-based schedulingEvent-based schedules - Question #2Managing Database Storage Structures
The hr user receiver, the following error while inserting data into the sales table: On investigation, you find that the users tablespace uses Automnrif Segment Space Management (A...
TablespacesASSMSpace managementAutoextend - Question #3Administering User Security
You execute the commands: Which two statements are true?
User creationRolesPrivilegesAuthentication - Question #4Managing Performance
Examine the query and its output: What might have caused three of the alerts to disappear?
ADDM alertsAWRDatabase diagnosticsPerformance monitoring - Question #5Administering User Security
Which two statements are true?
RolesPrivilegesSystem privilegesObject privileges - Question #6Managing the Database Instance
Identify three valid options for adding a pluggable database (PDB) to an existing multitenant container database (CDB).
PDBCDBMultitenantCREATE PLUGGABLE DATABASE - Question #7Managing Performance
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 som...
SQL Tuning Set (STS)SQL Access AdvisorPerformance tuningLibrary cache - Question #8Managing Performance
In a recent Automatic Workload Repository (AWR) report for your database, you notice a high number of buffer busy waits. The database consists of locally managed tablespaces with f...
Buffer busy waitsASSMPerformance tuningSegment space management - Question #9Managing Performance
The following parameter are set for your Oracle 12c database instance: OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=FALSE OPTIMIZER_USE_SQL_PLAN_BASELINES=TRUE You want to manage the SQL p...
SQL Plan Management (SPM)SQL Plan BaselineDBMS_SPMPerformance tuning - Question #10Managing Performance
Examine this command: SQL > exec DBMS_STATS.SET_TABLE_PREFS (`SH', `CUSTOMERS', `PUBLISH', `false'); Which three statements are true about the effect of this command?
DBMS_STATSOptimizer statisticsTable preferencesPending statistics - Question #11Moving Data
Examine the following impdp command to import a database over the network from a pre-12c Oracle database (source): Which three are prerequisites for successful execution of the com...
Data PumpimpdpNetwork mode importCross-platform migration - Question #12Exploring the Oracle Database Architecture
Which two are true concerning a multitenant container database with three pluggable database?
CDBPDBMultitenant architecturePatching - Question #13Managing the Database Instance
Examine the current value for the following parameters in your database instance: SGA_MAX_SIZE = 1024M SGA_TARGET = 700M DB_8K_CACHE_SIZE = 124M LOG_BUFFER = 200M You issue the fol...
SGAASMMDB_CACHE_SIZEMemory management - Question #14Moving Data
Which three statements are true concerning unplugging a pluggable database (PDB)?
PDBCDBUnplugging PDBData portability - Question #15Managing Schema Objects
Examine the following command: CREATE TABLE (prod_id number(4), Prod_name varchar2 (20), Category_id number(30), Quantity_on_hand number (3) INVISIBLE); Which three statements are...
Invisible columnsTable creationPL/SQL %ROWTYPEConstraints - Question #16Implementing Oracle Database Auditing
You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT. You issue the following statements: SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS; S...
Audit policyUnified AuditingEXCEPT clauseUser auditing - Question #17Moving Data
On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command: $> sqlldr hr/hr@pdb table=employees Wh...
SQL*LoaderData loadingControl filePrivileges - Question #18Administering User Security
After implementing full Oracle Data Redaction, you change the default value for the NUMBER data type as follows: After changing the value, you notice that FULL redaction continues...
Data RedactionSecurityData maskingInstance restart - Question #19Managing Undo Data
You must track all transactions that modify certain tables in the sales schema for at least three years. Automatic undo management is enabled for the database with a retention of o...
Flashback Data Archive (FDA)Undo managementData trackingTransaction history - Question #20Managing Schema Objects
Your are the DBA supporting an Oracle 11g Release 2 database and wish to move a table containing several DATE, CHAR, VARCHAR2, and NUMBER data types, and the table's indexes, to an...
Online table redefinitionTable migrationHigh availabilityOLTP applications - Question #21Managing the Database Instance
To implement Automatic Management (AMM), you set the following parameters: When you try to start the database instance with these parameter settings, you receive the following erro...
Automatic Memory ManagementSGA_TARGETMEMORY_TARGETInstance parameters - Question #22Exploring the Oracle Database Architecture
What are two benefits of installing Grid Infrastructure software for a stand-alone server before installing and creating an Oracle database?
Grid InfrastructureOracle RestartRole separationDatabase installation - Question #23Exploring the Oracle Database Architecture
Identify two correct statements about multitenant architectures.
Multitenant architecturePluggable Database (PDB)Container Database (CDB)Patching - Question #24Performing Database Maintenance
You upgrade your Oracle database in a multiprocessor environment. As a recommended you execute the following script: SQL > @utlrp.sql Which two actions does the script perform?
Database upgradeutlrp.sqlPL/SQL recompilationJava recompilation - Question #25Managing the Database Instance
Which statement is true concerning dropping a pluggable database (PDB)?
PDB managementDrop PDBMultitenant architecture - Question #26Managing Performance
You notice a high number of waits for the db file scattered read and db file sequential read events in the recent Automatic Database Diagnostic Monitor (ADDM) report. After further...
Performance tuningSQL tuningExecution planStatisticsIndexes - Question #27Managing Performance
Which three features work together, to allow a SQL statement to have different cursors for the same statement based on different selectivity ranges?
SQL optimizationBind Variable PeekingAdaptive Cursor SharingOptimizer features - Question #28Managing Performance
You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference. Which method or feature should you use?
Performance diagnosisAWR Compare Period reportPerformance regression - Question #29Managing Performance
You want to capture column group usage and gather extended statistics for better cardinality estimates for the CUSTOMERS table in the SH schema. Examine the following steps: 1. Iss...
Extended statisticsDBMS_STATSColumn groupsCardinality estimates - Question #30Managing Performance
Which three statements are true about Automatic Workload Repository (AWR)?
Automatic Workload Repository (AWR)Performance monitoringTime model statistics - Question #31Administering User Security
You upgraded your database from pre-12c to a multitenant container database (CDB) containing pluggable databases (PDBs). Examine the query and its output: Which two tasks must you...
Password fileSYSBACKUP privilegeSYSDG privilegeSYSKM privilege - Question #32Managing the Database Instance
An application accesses a small lookup table frequently. You notice that the required data blocks are getting aged out of the default buffer cache. How would you guarantee that the...
Buffer cacheKEEP buffer poolMemory managementOLTP performance - Question #33Managing the Database Instance
You conned using SQL Plus to the root container of a multitenant container database (CDB) with SYSDBA privilege. The CDB has several pluggable databases (PDBs) open in the read/wri...
Multitenant architectureSHUTDOWN TRANSACTIONALCDB operationsPDB operations - Question #34Managing Database Storage Structures
You are planning the creation of a new multitenant container database (CDB) and want to store the ROOT and SEED container data files in separate directories. You plan to create the...
CDB creationOracle Managed Files (OMF)PDB_FILE_NAME_CONVERTData file management - Question #35Moving Data
You are about to plug a multi-terabyte non-CDB into an existing multitenant container database (CDB). The characteristics of the non-CDB are as follows: - Version: Oracle Database...
PDB migrationNon-CDB to PDBTransportable tablespaceDowntime minimization - Question #36Managing Performance
Your database supports an online transaction processing (OLTP) application. The application is undergoing some major schema changes, such as addition of new indexes and materialize...
SQL Performance AnalyzerWorkload performanceSchema changesPerformance impact analysis - Question #37Administering User Security
An administrator account is granted the CREATE SESSION and SET CONTAINER system privileges. A multitenant container database (CDB) instant has the following parameter set: THREADED...
Multitenant connectionsUser privilegesCommon userLocal userOS authentication - Question #38Moving Data
Examine the following query output: You issue the following command to import tables into the hr schema: $ > impdp hr/hr directory = dumpdir dumpfile = hr_new.dmp schemas=hr TRANSF...
Data Pump ImportTRANSFORM parameterArchive loggingNOLOGGING operations - Question #39Managing Performance
You notice a performance change in your production Oracle database and you want to know which change has made this performance difference. You generate the Compare Period Automatic...
ADDM reportPerformance diagnosisConfiguration changesWorkload changes - Question #40Managing Performance
Examine the parameter for your database instance: You generated the execution plan for the following query in the plan table and noticed that the nested loop join was done. After a...
Execution planOptimizer behaviorDynamic planCardinality feedbackAdaptive plans - Question #41Managing Performance
Which three statements are true about adaptive SQL plan management?
SQL Plan ManagementAdaptive Query OptimizationPlan Baselines - Question #42Exploring the Oracle Database Architecture
You create a new pluggable database, HR_PDB, from the seed database. Which three tablespaces are created by default in HR_PDB?
Pluggable DatabasesTablespacesCDB/PDB Architecture - Question #43Managing Database Storage Structures
Which two statements are true about variable extent size support for large ASM files?
ASMExtent ManagementStorage Allocation - Question #44Performing Backup and Recovery
You executed a DROP USER CASCADE on an Oracle 11g release 1 database and immediately realized that you forgot to copy the OCA.EXAM_RESULTS table to the OCP schema. The RECYCLE_BIN...
Flashback TableRecycle BinPoint-in-Time RecoveryDropped Objects - Question #45Administering User Security
In your multitenant container database (CDB) containing pluggable database (PDBs), the HR user executes the following commands to create and grant privileges on a procedure: CREATE...
Stored ProceduresInvoker's RightsDefiner's RightsUser Security - Question #46Exploring the Oracle Database Architecture
You created a new database using the "create database" statement without specifying the "ENABLE PLUGGABLE" clause. What are two effects of not using the "ENABLE PLUGGABLE database"...
CDB/PDB ArchitectureCREATE DATABASEMultitenant - Question #47Managing Performance
You have installed two 64G flash devices to support the Database Smart Flash Cache feature on your database server that is running on Oracle Linux. You have set the DB_SMART_FLASH_...
Database Smart Flash CacheInitialization ParametersPerformance Tuning - Question #48Exploring the Oracle Database Architecture
What is the effect of specifying the "ENABLE PLUGGABLE DATABASE" clause in a "CREATE DATABASE" statement?
CDB/PDB ArchitectureCREATE DATABASEMultitenant - Question #49Managing the Database Instance
Examine the following parameters for a database instance: MEMORY_MAX_TARGET=0 MEMORY_TARGET=0 SGA_TARGET=0 PGA_AGGREGATE_TARGET=500m Which three initialization parameters are not c...
Automatic Shared Memory Management (ASMM)SGA ComponentsInitialization Parameters - Question #50Managing the Database Instance
Which background process does Automatic Shared Memory Management use to coordinate the sizing of memory components?
Background ProcessesAutomatic Shared Memory Management (ASMM)Memory Management