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Objectives Define database and DBMS 2. State the importance of DBMS

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Presentation on theme: "Objectives Define database and DBMS 2. State the importance of DBMS"— Presentation transcript:

1 Objectives Define database and DBMS 2. State the importance of DBMS
3. Plan and design a database 4. Identify database objects 5. Appreciate the importance of a database by giving examples.

2 Database DBMS Relational Database

3 Database Management System – is a software tool
that lets you create, maintain, and summarize an information database. Database – is a collection of related information about a particular person, place or thing. Relational Database – A collection of individual tables holding discrete subsets of information that are linked by common data fields.

4 ADVANTAGES OF DBMS 1. Fast 2. Compact 3. Flexible DISADVANTAGES OF DBMS 1. Too easy to access 2. Unpredictable Lifespan

5 How do you plan a database?

6 Planning a database Know the purpose of your database Gather all reports you will need for a database Make a list of important fields you wish to include in your application 4. Check each field 5. Share common fields of your tables 6. Design and create tables

7 Purpose of the project:
to create a database of classmate’s personal information Data Needed: Student ID Name Home Address Age Birthday Gender Phone Number

8 1. Data gathered for the chosen fields
St. Alphonsus – Personal Information Sheet0 STUD ID Name Home Address Age Birthday Gender Phone 0001 Santos, Eric Legazpi city 13 10/22/95 M 0002 Alegre John Makati City 14 11/02/94 2. Filter or remove unnecessary field (s) or column (s) from the original database. St. Alphonsus – Personal Information Sheet0 STUD ID Name Home Address Age Birthday Phone 0001 Santos, Eric Legazpi city 13 10/22/95 0002 Alegre John Makati City 14 11/02/94

9 3. Split needed or desired fields
STUD ID First Name Last Name Home Address Age Birthday Phone 0001 Eric Santos Legazpi city 13 10/22/95 0002 John Alegre Makati City 14 11/02/94

10 Database Objects are the different items that make up a database such as tables, forms, queries and reports Table – is an access object that is used to collect data relating to a particular subject Record – is an individual entry in a table. Field – is a piece of information in a record.

11 Query – is a question you ask your database
Dynaset – a list of records matching the query parameters. Form - enables you to view one record on the screen at a time and to customize the display of that record. Reports – used to present table data in a polished format on the printed page. Macro – you can automate frequently performed procedures.

12 The End

13 Projects- are access front-ends or conduits to powerful
SQL databases maintained on a server running Microsoft SQL server. Database Wizard – Access provides several templates for creating new database files, and the database wizard walks you through the process of creating objects, such as tables, for the new database.


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