Free 1z0-042 practice exam questions Downloads and 1z0-042 exam details

Exam Topics

Architecture

Outline the Oracle Architecture and its main Components

Explain the Oracle instance architecture

Installing the Oracle Database Software

Identify common database administrative tools available to a DBA (1)

Use optimal flexible architecture

Install software with Oracle Universal Installer

Identify and configure commonly used environment variables

Use Installer Log (2)

Creating an Oracle Database

Use DBCA to Create a database

Use DBCA to Delete a database

Use DBCA to manage templates

Managing the Oracle Instance

Use Enterprise Manager

Use SQL*Plus and iSQL*Plus to access the Oracle Database

Modify database initialization parameters

Describe the stages of database startup

Describe the database shutdown options

View the database alert log

Use dynamic performance views (3)

Managing Database Storage Structures

Describe how table row data is stored in blocks (4)

Define the purpose of tablespaces and data files

Explain space management in tablespaces

Create tablespaces

Manage tablespaces: alter, drop, take offline, put online, add data files, make read-only or read-write, generate DDL

Obtain tablespace information

Explain key features and benefits of ASM (5)

Administering User Security

Create and manage database user accounts

Create and manage roles

Grant and revoke privileges

Create and manage profiles (6)

Managing Schema Objects

Create and modify tables

Define constraints and states of constraints (7)

Dropping and truncating tables (7)

Create and use B-Tree and Bitmap indexes (8)

Create Views

Create sequences

Use data dictionary

Managing Data and Concurrency

Manipulate data through the use of SQL

Identify and administer PL/SQL objects

Describe triggers and triggering events

Define levels of locking

List possible causes of lock conflict

Monitor and resolve lock conflicts

Managing Undo Data

Monitor and administer undo

Configure undo retention

Describe the relationship between undo and transactions

Size the undo tablespace

Implementing Oracle Database Security

Apply the principle of least privilege

Audit database activity

Implement Fine-Grained Auditing

Configuring the Oracle Network Environment

Use Database Control to Create additional listeners

Use Database Control to Create Oracle Net service aliases

Control Oracle Net Listeners

Identify when to use shared servers versus dedicated servers

Proactive Maintenance

Gather optimizer statistics

Manage the Automatic Workload Repository

Use the Automatic Database Diagnostic Monitor (ADDM)

Set warning and critical alert thresholds

React to performance issues

Performance Management

Use enterprise manager to view performance (9)

Tune SQL by using SQL tuning advisor (10)

Tune SQL by using SQL access advisor

Use automatic shared memory management (11)

Use the memory advisor to size memory buffer (11)

Backup and Recovery Concepts

Describe the types of failure that may occur in an Oracle Database

Identify the importance of checkpoints, redo log files, and archived log files

Tuning instance recovery

Configure a database for recoverability

Configure ARCHIVELOG mode

Performing Database Backup

Create consistent database backups

Back up your database without shutting it down

Create incremental backups

Automate database backups

Backup a control file to trace

Monitor flash recovery area

Performing Database Recovery

Recover from loss of a Control file

Recover from loss of a Redo log file

Recover from loss of a system-critical data file

Recover from loss of a non system-critical data file

Performing Flashback

Describe flashback database (12)

Resotore the table contents to a specific point in time (12)

Recover from a dropped table (12)

Use Flashback Query to view the contents of the database as of any single point of time (12)

View transaction history or row with flashback transaction query (12)

Moving Data

Describe the general architecture of Data Pump (13)

Use Data Pump export and import to move data between Oracle databases

Load data with SQL Loader (14)

Use external tables to move data (14)