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Day 14: MICROSOFT access – CHAPTER 1

Day 14: MICROSOFT access – CHAPTER 1. Madhuri Siddula masiddula@mix.wvu.edu October 2, 2014. Topics. File processing system Database fundamentals Microsoft access. MANUAL FILE SYSTEM. USER. FILE KEEPER. FILE CABINET. FILE PROCESSING SYSTEM.

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Day 14: MICROSOFT access – CHAPTER 1

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  1. Day 14:MICROSOFT access– CHAPTER 1 Madhuri Siddula masiddula@mix.wvu.edu October 2, 2014

  2. Topics • File processing system • Database fundamentals • Microsoft access

  3. MANUAL FILE SYSTEM USER FILE KEEPER FILE CABINET

  4. FILE PROCESSING SYSTEM • Information stored as group of records in separate files • File systems consisted of a few data files and many application programs • Each file called a soft file • Flat file contained the processed information for one specific function • Use of programming languages to write applications

  5. File processing systems structure Customer Processing Application Customer file Customer file User 1 Rental file Rental Processing Application Rental file User 2

  6. Limitation of File Processing system • Separate and isolated data • Data redundancy • Data independence for file formats and access techniques • Difficult in representing data from user’s view • Data inflexibility Due to this limitations, the concept of Data base management system (DBMS) was born

  7. A database management system (DBMS) is a software system that provides the tools to create, maintain and use a database. • Some of the databases: • MS Access • Oracle • SQL SERVER • MY SQL

  8. DBMS STRUCTURE USER 1 CPA DATABASE DBMS RPA USER 2 OPA USER 3

  9. Database fundamentals • Database is a collection of data, organized as meaningful information. • It can be accessed, managed, stored, queried, sorted and reported. • Examples • Amazon • Telephone directory • ebay • Cs101 student files

  10. Database Terminologies • Data This is the fact, or about specific entity(person,place or thing) • Information Is the data that have been processed and is useful to the user • Field Is a single item of information or data in entity e.g. employee name • Record Is a group of fields about an entity,example Employee’s particulars

  11. Field • The smallest data element contained in a table • Field types: • Text • Numeric • Date • Field examples: • Birthdates • Last Name • Age • Social Security #

  12. Record • Record – a complete set of all of the data elements (fields) about one person, place, event, or concept • Example record in a employee DB: • Name, Number, E-mail, Class, Section

  13. Table • The foundation of every database • Contains a primarykey (unique field) • Is a collection of related records • Example Table: • All Student records in my CS 101 sections would be added to my Section Roster Table during registration

  14. Key • A field that contains a unique identifier • Foreign key • A field in one table, that is a primary key in another

  15. Microsoft access

  16. Access objects • Tables, Forms, Queries, Reports, Macros Modules

  17. Things to do • Open an access file and work with content security. • Examining the access interface, views and organize information

  18. Things to do • Edit and Delete a record • Save as, compact and repair and backup the database.

  19. Sort table

  20. filter

  21. Other options • Toggle filter • Filter by form • Load from query • Save as query

  22. Thank you

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