Topics Covered in this lecture
Schema and Database Objects
Setting up the Environment
Create a Database Connection in SQL Developer
Viewing Tables, Creating a Table, Adding Columns to a Table
View Indexes, Create Index
Managing Views, Create View
Program Code Stored in the Database
Validating Invalid Schema Objects
Temporary Tables
Temporary Tables and Undo
A schema is a collection of database objects.
A schema is owned by a database user and shares the same name as the user.
Schema objects are logical structures created by users.
Some objects, such as tables or indexes, hold data.
Other objects, such as views or synonyms, consist of a definition only
Install the sample schemas in the pluggable database. Download and extract the dump from github.
$ git clone
$ cd db-sample-schemas
Change all embedded paths to match your working directory.
Connect and run the script to create sample schemas
$ sqlplus system/oracle
oracle.example.com:1521/orclpdb
Refer to README.txt file for details of the Syntax.
Verify the Schemas
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