2-day-dba

Oracle® Database
2 Day DBA
19c
E96197-09
July 2020

Oracle Database 2 Day DBA, 19c
E96197-09
Copyright © 2004, 2020, Oracle and/or its affiliates.
Primary Author: Roopesh Ashok Kumar
Contributing Authors: Bert Rich, Padmaja Potineni, Kathy Rich, Janet Stern, Steve Fogel, Colin McGregor,
Lance Ashdown, Eric Belden, Sushil Kumar, and Douglas Williams
Contributors: Bharat Baddepudi, Prasad Bagal, Timothy Chien, Sudip Datta, Kakali Das, Mark Dilman,
Prabhaker Gongloor, Cecilia Grant, Shivani Gupta, Pat Huey, Chaitanya Koratamaddi, Balaji Krishnan,
Vasudha Krishnaswamy, Rich Long, Venkat Maddali, Matthew McKerley, Ed Miner, Mughees Minhas,
Saurabh Pandey, Kant Patel, Malai Stalin, Xiaofang Wang, and Khaled Yagoub
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Contents
Preface
Audience xiv
Documentation Accessibility xiv
Related Documentation xiv
Conventions xv
Changes in This Release for Oracle Database 2 Day DBA
Changes in Oracle Database Release 19c, Version 19.1 xvi
Changes in Oracle Database Release 18c, Version 18.1 xvii
Changes in Oracle Database 12c Release 2 (12.2.0.1) xvii
Changes in Oracle Database 12c Release 1 (12.1.0.2) xix
Changes in Oracle Database 12c Release 1 (12.1.0.1) xix
1 Introduction
1.1 About This Guide 1-1
1.1.1 What This Guide Is Not 1-1
1.1.2 How to Use This Guide with Related Material 1-2
1.2 About Oracle Database 1-2
1.3 Common Oracle DBA Tasks 1-3
1.4 Tools for Administering the Database 1-4
2 Installing Oracle Database and Creating a Database
2.1 Overview of Installing Oracle Database Software and Creating a Database 2-1
2.1.1 Checking Oracle Database Installation Prerequisites 2-2
2.1.2 Deciding on Oracle Database Installation Choices 2-3
2.1.2.1 Install Option for Oracle Database 2-3
2.1.2.2 Installation Class for Oracle Database 2-4
2.1.2.3 Installation Edition for Oracle Database 2-4
2.1.2.4 Software Installation Directories for Oracle Database 2-4
2.1.2.5 Database File Location for Oracle Database 2-5
iii

2.1.2.6 Database Identifiers for Oracle Database 2-5
2.1.2.7 About Advanced Installation for Oracle Database 2-6
2.2 Installing Oracle Database Software 2-7
2.3 Creating and Managing a Database with DBCA 2-11
2.3.1 Starting DBCA 2-12
2.3.2 Creating a Database Using DBCA 2-12
2.3.2.1 DBCA Creation Mode Window 2-13
2.3.2.2 DBCA Deployment Type Window 2-14
2.3.2.3 DBCA Database Identification Window 2-15
2.3.2.4 DBCA Storage Option Window 2-16
2.3.2.5 DBCA Fast Recovery Option Window 2-16
2.3.2.6 DBCA Network Configuration Window 2-18
2.3.2.7 DBCA Database Vault Option Window 2-18
2.3.2.8 DBCA Configuration Options Window 2-18
2.3.2.9 DBCA Management Options Window 2-22
2.3.2.10 DBCA User Credentials Window 2-23
2.3.2.11 DBCA Creation Option Window 2-23
2.3.2.12 DBCA Summary Window 2-23
2.3.2.13 DBCA Progress Window 2-24
2.3.2.14 DBCA Finish Window 2-24
2.3.3 Changing the Configuration of a Database Using DBCA 2-24
2.3.4 Deleting a Database Using DBCA 2-24
2.3.5 Managing Templates with DBCA 2-25
2.3.5.1 Advantages of Using DBCA Templates 2-25
2.3.5.2 Types of DBCA Templates 2-25
2.3.5.3 DBCA Templates Provided by Oracle 2-26
2.3.5.4 Creating Templates Using DBCA 2-27
2.3.5.5 Deleting DBCA Templates 2-27
2.3.6 Using DBCA to Manage PDBs 2-28
2.3.6.1 Managing PDBs in a CDB using DBCA 2-28
2.4 Manually Installing the Database Sample Schemas Post-Installation 2-29
2.5 Installation: Oracle By Example Series 2-29
3 Getting Started with Database Administration
3.1 Managing Your Database: An Overview 3-1
3.2 Configuring the Operating System Environment Variables 3-2
3.3 Introduction to Oracle Enterprise Manager Database Express 3-3
3.4 Starting EM Express 3-5
3.4.1 Starting EM Express for a Non-CDB 3-7
3.4.2 Starting EM Express for a CDB 3-7
iv

3.4.3 Starting EM Express for a PDB 3-8
3.5 Configuring the HTTPS Port for EM Express 3-9
3.6 About EM Express and Database Cloud Service Deployments 3-12
3.7 Accessing the Database Home Page 3-12
3.8 Granting Access to EM Express for Nonadministrative Users 3-14
3.9 Administering the Database with SQL-Based Management Tools 3-14
3.9.1 About SQL 3-15
3.9.2 About SQL*Plus 3-15
3.9.3 Starting SQL*Plus and Connecting to the Database 3-16
3.9.4 About SQL Developer 3-17
3.10 Getting Started with Database Administration: Oracle by Example Series 3-18
4 Configuring the Network Environment
4.1 Understanding Network Configuration 4-1
4.1.1 Oracle Net Listener Configuration 4-1
4.1.2 Client Connections 4-2
4.1.3 Tools for Network Configuration 4-4
4.2 Viewing Listener Configuration 4-5
4.3 Starting and Stopping the Listener 4-5
4.4 Connecting to an Oracle Database from a Client Computer 4-5
4.4.1 About Easy Connect Plus 4-7
4.5 Configuring the Network Environment: Oracle by Example Series 4-8
5 Managing the Oracle Instance
5.1 Overview of the Oracle Instance and Instance Management 5-1
5.1.1 About Initialization Parameters 5-2
5.1.2 About Background Processes 5-3
5.1.3 About Server and Client Processes 5-5
5.1.4 About Instance Memory Structures 5-5
5.1.4.1 System Global Area 5-6
5.1.4.2 Program Global Area 5-7
5.1.5 About Instance Startup and Shutdown 5-8
5.1.5.1 About Administration Privileges for Startup and Shutdown 5-8
5.1.5.2 About Instance Startup 5-8
5.1.5.3 About Instance Shutdown 5-9
5.2 Shutting Down and Starting Up the Oracle Instance 5-10
5.2.1 Shutting Down and Starting Up Using SQL*Plus 5-10
5.2.2 Shutting Down and Starting Up Using the Windows Services Program 5-11
5.3 Viewing and Modifying Initialization Parameters 5-11
v