1z0 062 - Study guides, Class notes & Summaries

Oracle OCA Exam 1Z0-062 Chapter 8 Administering User Security 2023/2024 What tasks are included in admininstering user security? - ANSWER-create & manage user accounts, grant & revoke privileges, create & manage roles, create & manage profiles What are the 5 authentication methods? - ANSWER-password stored in DB, OS auth, password file auth, external auth, global auth Which two authentication methods are for admin only? - ANSWER-Operating system authentication and password file ...

Oracle OCA Exam 1Z0-062 Chapter 16 Automating Tasks by Using Oracle Scheduler 2023/2024 Basic Concept: What is a "Job"? - ANSWER-Jobs can be: procedures that execute within the database operating system commands and scripts can run locally or on remote machines and databases can run according to a schedule, according the results of a previous job, or in response to events. Scheduler (newer version) <> DBMS_JOB (older version) Enterprise Manager also has a job scheduling ...

Oracle OCA Exam 1Z0-062 Chapter 14 Managing Performance: SQL Tuning 2023/2024 14.01 Manage Optimizer Statistics Objects stats are imperfect, why? - ANSWER-a) they're static, must be refreshed periodically or they are stale b) they're usually gathered via sampling, not 100% all rows are examined Define: cardinality estimate - ANSWER-The estimated number of rows that will be returned by a given access method. if cardinality estimate is wrong (stale stats or stats gathered with i...

Oracle OCA Exam 1Z0-062 Chapter 11 Implementing Database Auditing 2023/2024 11.01 Explain DBA Responsibilities for Security and Auditing List 5 reasons for auditing? - ANSWER-accountability for actions deter inappropriate activity investigate suspicious activity notify an auditor of unauthorized activity (exceed license, access to sensitive data) Compliance (access to personal / financial data) Auditing Techniques List 5 different auditing techniques? - ANSWER-1) Unified Auditing...

Oracle OCA Exam 1Z0-062 Chapter 1 Installing Oracle Database Software 2023/2024 Where to get Oracle Database software from? - ANSWER-Oracle Technology Network (OTN) Oracle Software Delivery Cloud (account is req'd) only the base release is publicly available. To obtain patches you must have a support agreement. What is the name of the OS User Account on UNIX/Linux? - ANSWER-Account #1: name = "ORACLE", owns the database software, OS group = oinstall, dba Account #2: name = ??, ow...

Oracle OCA Exam 1Z0-062 Chapter 6 Managing Database Storage Structures 2023/2024 RENAME TABLESPACE Syntax? - ANSWER-ALTER TABLESPACE oldname RENAME TO newname; TS can be online when renamed RENAME TABLESPACE Syntax? - ANSWER-"ALTER TABLESPACE oldname RENAME TO newname; TS can be online when renamed" OFFLINE a TABLESPACE Syntax? - ANSWER-"ALTER TABLESPACE tablespacename OFFLINE [ NORMAL | IMMEDIATE | TEMPORARY];" Offline NORMAL (does a checkpoint occur?) - ANSWER-"force a ch...

Oracle OCA Exam 1Z0-062 Chapter 3 Exploring the Oracle Database Architecture 2023/2024 List the Logical structure elements - ANSWER-Tables segments, extents, tablespaces, data blocks List the Physical structure elements - ANSWER-data files, online redo log files, archived redo log file, control file. These are listed in the control file. List the Main components of the Shared Pool - ANSWER-1.Library cache Data Dictionary cache 2. PL/SQL area SQL query 3. PL/SQL function result cach...

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