Book Image

Oracle Database XE 11gR2 Jump Start Guide

By : Asif Momen
Book Image

Oracle Database XE 11gR2 Jump Start Guide

By: Asif Momen

Overview of this book

Oracle Database XE 11gR2 is an excellent beginner-level database and is a great platform to learn database concepts. "Oracle Database XE 11gR2 Jump Start Guide" helps you to install, administer, maintain, tune, back up and upgrade your Oracle Database Express Edition. The book also helps you to build custom database applications using Oracle Application Express.Using this book, you will be able to install Oracle Database XE on Windows/Linux operating system.This book helps you understand different database editions and it guides you through the installation procedure with the aid of screenshots. You will learn to interact with the database objects. You will gain a solid understanding of stored sub-programs which is followed by an introduction to Oracle Application Express (APEX). Solid database performance tuning strategies are also discussed in this book followed by backup and recovery scenarios. All in all, "Oracle Database XE 11gR2 Jump Start Guide" delivers everything that you should know to get started with Oracle Database administration.
Table of Contents (20 chapters)
Oracle Database XE 11gR2 Jump Start Guide
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface

Loading and unloading data to a text file


This section describes how to use Oracle Application Express utilities to load and unload data from Oracle Database. Unloading is a process of copying table data to external files while loading is a process of copying data from external files to a database table.

Unloading the EMP table to a text file

You can use the Unload page to export table data as a text file. To unload the EMP table to a text file, follow this process:

  1. 1. Navigate to the Unload page (Workspace home page | SQL Workshop | Utilities | Data workshop | Data Unload | To Text)

  2. 2. Select the HR schema and click on the Next button.

  3. 3. Select the EMP table from the dropdown list and click on the Next button.

  4. 4. Select all the columns.

  5. 5. Choose the default values for Separator, select Include Column Names and other columns, and click on the Unload Data button.

  6. 6. The file download window appears. Click on Save to download the file.

Loading text file to the EMP_LOAD table

You can use the Load...