• Data is raw, unorganized facts that need to be processed. • Data can be something simple and seemingly random and useless until it is organized. • When data is processed, organized, structured or presented in a given context so as to make it useful, it is called information. • Data about Data OR Definition of Data is Metadata • Database management system (DBMS) is a collection of programs that enables you to store, modify, and extract information from a database. • There are many different types of database management systems, ranging from small systems that run on personal computers to huge systems that run on mainframes. • Oracle by Oracle Corporation, MS-Access by Microsoft, My SQL by Oracle Corporation all are DBMS. • Database Often abbreviated DB, a database is basically a collection of information organized in such a way that a computer program can quickly select desired pieces of data. • A table is a collection of data organized into columns (fields) and rows (records) and related to other tables by common fields. • A column/ field contains all the same type of data; each cell refers to a different unit. • A row/ record contains all the different types of data about a unit of analysis (e.g. user, order, and letter). • SQL is a standard language for querying and modifying relational databases. • Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is an object-relational database management system produced and marketed by Oracle Corporation.

1. Muhammad Umair
Oracle Database 11g Developer Track

2. › Data
– Data is raw, unorganized facts that need to be processed.
Meaning : Data can be something simple and seemingly random and
useless until it is organized.
› Information
– When data is processed, organized, structured or presented
in a given context so as to make it useful, it is called
information.
› Metadata
– Data about Data OR Definition of Data

3. Dog, Book, Bag
Goat, Pen, Purse
Data
Dog, Goat
Book, Pen Bag, Purse
Information

4. › DBMS
– database management system (DBMS) is
– a collection of programs
– that enables you to
– store, modify, and extract
– information from a database.
– There are many different types of database management
systems, ranging from small systems that run on personal
computers to huge systems that run on mainframes.

5. DBMS
program
programprogram
End-User
User of software program (Human Being)
Program DBMS Database

6. › Oracle
– Oracle Corporation
› MS-Access
– Microsoft
› My SQL
– Oracle Corporation
› SQL Server
– Microsoft
› Informix
– IBM
› Db2
– IBM

7. › Database
– Often abbreviated DB,
– a database is basically a collection of information organized
in such a way that a computer program can quickly select
desired pieces of data.

9. › Table
– A table is a collection of data organized into columns (fields)
and rows (records) and related to other tables by common
fields.
› Field
– A column. A field contains all the same type of data; each
cell refers to a different unit.
› Record
– A row. A record contains all the different types of data
about a unit of analysis (e.g. user, order, letter).

11. donations
volunteers
campaigns
users “Keys” to success
Fields that relate tables to each other
are called “keys”.
“Primary key” is the field (column)
containing a unique id for each
record.
Keys prevent duplication of info in
database.

12. › Which campaign did Mr. Greenburg volunteer for?
› How much money did Sarah raise?
› Who recruited her?
› How much money did the phone bank raise?
users
volunteersdonations
campaigns

13. donations
volunteers
campaigns
users

14. SQL
A standard language for querying and modifying relational databases.
Query
Using SQL to ask the database a question.
Oracle
Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is an object-
relational database management system produced and marketed by Oracle Corporation.