For this course, you have two choices for database management software, Oracle or MySQL. Oracle is more
difficult to install than MySQL but you will see some good resources in this lesson to help. Since some
learners have experienced installation difficulties, I encourage you to install database management software
this week (when you do not have any assignment).
Oracle server
http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html
For both MySQL and Oracle, you need to install both the server and client software. MySQL is generally
easier to install than Oracle because Oracle is designed for large firms with complex and demanding database
processing requirements. For MySQL, you should install the community edition server and client.
http://dev.mysql.com/downloads/
The download page for the server and client components have tutorials. You can find more help by searching
on "MySQL installation guide". You will find plenty of instructional videos to supplement installation guide
documents.
For Oracle, I suggest that learners with a 64 bit operating system should at least consider to install the Oracle
Database Virtual Box Appliance.
http://www.oracle.com/technetwork/database/enterprise-edition/databaseappdev-vm-161299.html
For Mac users, the database appliance is the only option. The database appliance web page indicates that you
must first install the Oracle Virtual Box before the database appliance. The database appliance includes the
Oracle 12c server, a preconfigured database, and the Oracle SQL Developer. Windows and Linux users can
skip the rest of the installation pages in this lesson if the appliance installation is successful. The SQL
Developer provides a predefined connection to a local database so you do not need to create your own
connection and users. You can use the connection details when connecting to the Oracle server when using
Pentaho Data Integration in module 5.
If you cannot get the appliance to work or if your performance is too slow, you can try options listed on the
other pages in this lesson. The only negative comment about the database appliance is the need for lots of
RAM (4GB+) and processors, especially if running the database appliance with other software.
For Windows and Linux/Unix users, you can use Oracle 12c (standard edition) or Oracle 11.2 (all versions
including the express edition) for all courses in the specialization. For 32 bit Windows users, Oracle 11.2 is
your only option. Oracle has not yet released the express edition for 12c.
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Oracle Express Edition 11.2:
Oracle Standard Edition 12c
Oracle installation and configuration can be confusing to beginners because Oracle is an enterprise DBMS.
There are lots of configuration choices and details so that large enterprises can use Oracle for major systems.
You need to install and configure and Oracle server product such as Oracle 12c standard edition and a client
such as the Oracle SQL Developer. Note that Oracle only has 64 bit Windows versions for Oracle 12 server.
After installing the server and client software and configuring Oracle, you need to setup a connection from the
client to the server. The last step is poorly documented on Oracle websites and instructional videos so a
document is provided in this lesson to help you.
If you cannot install the Oracle Database Appliance :
http://www.oracle.com/technetwork/database/enterprise-edition/databaseappdev-vm-161299.html
or just want to install and configure and Oracle database server, you should read these instructions. Note that
the Oracle Database Appliance is the only option for Mac users. For Windows and Linux users, the Oracle
Database Appliance requires a 32 bit operating system.
You can download Oracle from the Oracle Technology Network.
http://www.oracle.com/technetwork/indexes/downloads/index.html
You must have an account to download software but you do not need to pay a fee. You need to install both an
Oracle server edition and an Oracle client. I recommend that you install the Oracle SQL Developer client.
http://www.oracle.com/technetwork/developer-tools/sql-developer/downloads/index.html
Oracle server cannot be installed under Mac operating systems (OS X and others). Mac users must use the
Oracle Virtual Box Database Appliance.
http://www.oracle.com/technetwork/database/enterprise-edition/databaseappdev-vm-161299.html
The SQL Developer client can be installed under Windows, Linux, Unix, and Max operating systems. This
installation guide provides detailed instructions for the Oracle Virtual Database Appliance.
OracleDatabaseApplianceInstallation.docx
For the Oracle server, http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html
I recommend the Oracle 12c standard edition. Oracle only supports 64 bit versions of Oracle 12c. Oracle has a
32 bit version for Oracle 11.2g. Oracle 11.2g including the Express Edition will work for this course and other
courses in the specialization.
Installation involves the normal tasks of downloading, copying files, setting up registry items, and so on. The
last part of the installation is configuration of a default local database.
Here are links to youtube videos about installing and configuring Oracle 12c. The videos have comments that
may be useful to help you get beyond installation problems.
https://www.youtube.com/watch?v=4y1WRF_4oFQ
https://www.youtube.com/watch?v=0TOg7w0aFrA
https://www.youtube.com/watch?v=jhh3_vl5FVI
https://www.youtube.com/watch?v=ObMiVWEl5ao
Here is a link to the Oracle Quick Guide for installation. It is still rather lengthy.
https://docs.oracle.com/database/121/NXDQI/toc.htm
The most important part of the configuration process is the name of the default database and the administrator
password. You should use ORCL, the default name for the database. You need to specify a default password
for two privileged accounts, SYSTEM and SYS. You must remember the administrative password that you
give. There is no default password for these accounts. If you do not remember your password, I am not sure
how to recover it. You need to use these privileged accounts to connect to your default database when using
the Oracle SQL Developer.
OracleLocalDatabaseConnections.doc
These instructions apply to learners who have installed an Oracle database server and Oracle client such as the
Oracle SQL Developer rather than the Oracle Database Appliance.
http://www.oracle.com/technetwork/database/enterprise-edition/databaseappdev-vm-161299.html
The database appliance includes an Oracle 12c server, preconfigured database, and Oracle SQL Developer
client so you do not need to bother with these instructions.
Connecting to a local Oracle database using the SQL Developer or another client is confusing to many
learners. It is simple after it is setup, but can be confusing to setup.
Before making a connection, you need to install the Oracle server and client. I assume that you have installed
Oracle 12c standard edition and the Oracle SQL Developer. I think these notes apply to other Oracle server
editions, but I have not tried them with other server editions. You must know the name (SID and Global
Database Identifier) of the default database. This name should be ORCL unless you have changed it during the
installation process. You must also know the administrative password for the default database. You specified
this password during the installation process. If you do not know the password, you will not be able to connect
to your default database.
Here is a quick way to make a connection. For screen snapshots and details about creating a new user name,
you should read the document about making connections to a local Oracle database. (in document)
You need to create a connection in the SQL Developer before you can execute SQL statements. After opening
the SQL Developer, you should see the Connections pane. If you have made previous connections, you will
see them in the Connections pane. You can click on the + (plus) icon to create a new connection.
You can either create a new user or use an existing, privileged user (SYSTEM). Using the SYSTEM account is
easier although you should not use the SYSTEM user on a shared server to create and query tables. Since you
have a private server, you can use the SYSTEM user.
Here are the property values that you need to provide in the window to create a new connection. The SID is the
default database name provided in the configuration step of the installation process.
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Connection name: any name that you want
User Name: SYSTEM
Password: you need to use the administrative password that you provided in the configuration step in
the installation process
Hostname: localhost
Port: 1521
SID: ORCL
You should save and test the connection. You should see a successful test. Select the save password check box
and exit the Connection window.
In the Connection pane, you should see a connection with the name that you provided. Select the + button to
open the connection. After a minute or so, you should see the list of object categories in this database. You can
type SQL statements into the SQL Worksheet and execute statement using run script button. The results of a
SQL statement execution will appear below in the Script Output tab.
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