Summary
Summary k201 lecture notes
- Course
- BUS-K 201
- Institution
- Indiana University
in class lecture notes for k201 at IU
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CHAPTER 2–Access IntroductionObjectives:
1. Research terms using the define: operator
2. Understand relational database objects and concepts
3. Understand the structure of the Premiere database
4. Understand how to locate data in tables
Flat file and relational databases
Database–an organized collection of structured information (data), typically stored in an
electronic computer system
- Collection of data organized into files called tables
Relational database–contains multiple tables that relate to each other through special
key fields
Flat file database–contain single table of data
- Relational databases more flexible than flat file
- Flat file creates more work as the same information must be stored under one
table
- Duplicate data will create inconsistencies
- If one part of the information must be changed, the entire table must
change
Using Access or Excel to manage your data
, Use Access:
- Have to track & record data regularly and display/export/print subsets of that data
- Anticipate several people working in a database
- Anticipate needing to add more tables to a data set
- Want to run complex queries
- Want to produce a variety of reports
- Examples:
- Managing contacts
- Inventory & asset tracking
- Order tracking
- Task tracking
- Organizing lending libraries
- Event planning
- Nutrition tracking
Use Excel:
- Optimized for data analysis & calculation
- Build models for analyzing data & writing formulas
- Require a flat or non relational view of data, when data is mostly numeric
- Want to frequently run calculations and statistical comparisons
- Want to use PivotTable reports to view hierarchical data
- Plan to create charts regularly
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