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Questions and Answers
What was the main purpose of hiring a data processing specialist mentioned in the text?
What was the main purpose of hiring a data processing specialist mentioned in the text?
What was a significant problem associated with the file system method mentioned in the text?
What was a significant problem associated with the file system method mentioned in the text?
What was a common issue with the computerized files developed as per the text?
What was a common issue with the computerized files developed as per the text?
What did the users tend to do with spreadsheet applications according to the text?
What did the users tend to do with spreadsheet applications according to the text?
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Why did problems start arising with the file system approach according to the text?
Why did problems start arising with the file system approach according to the text?
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What was a consequence of the popularity of spreadsheet applications mentioned in the text?
What was a consequence of the popularity of spreadsheet applications mentioned in the text?
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Why is understanding the evolution of file system data processing relevant to database designers and developers?
Why is understanding the evolution of file system data processing relevant to database designers and developers?
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What was a common way to organize data in manual file systems?
What was a common way to organize data in manual file systems?
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Why did organizations start looking to computer technology for help with manual file systems?
Why did organizations start looking to computer technology for help with manual file systems?
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What problem did business managers face when generating reports from manual file systems?
What problem did business managers face when generating reports from manual file systems?
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How did manual file systems serve their role well as data repositories initially?
How did manual file systems serve their role well as data repositories initially?
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What is the purpose of database technologies in relation to data access limitations?
What is the purpose of database technologies in relation to data access limitations?
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Study Notes
Data Processing and File Systems
- A data processing (DP) specialist was hired to create a computer-based system to track data and produce required reports due to the limitations of manual file systems.
- Every discipline develops its own terminology to enable clear communication among practitioners.
Basic File Vocabulary
- Understanding basic file vocabulary is essential to comprehend subsequent discussions in computerized systems.
Problems with File Systems
- File systems had problems, including having many data files with related and overlapping data with no means of controlling or managing the data consistently across all files.
- Each file in the system used its own application program to store, retrieve, and modify data.
- Each file was owned by the individual or department that commissioned its creation, leading to data inconsistencies.
Evolution of File Systems
- The file system method was an improvement over manual systems but had limitations that became evident over time.
- Problems with file systems include lengthy development times and limitations in creating information and ensuring data accuracy.
Manual File Systems
- Manual file systems were paper-and-pencil systems organized to facilitate data use.
- These systems were limited in handling large data collections and complex reporting requirements.
Computerized File Systems
- Computerized file systems were developed to overcome the limitations of manual file systems.
- Generating reports from manual file systems was slow and cumbersome, leading to the adoption of computer technology.
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Description
Learn about the evolution of file system data processing and the limitations that databases aim to overcome. Database designers and developers can benefit from understanding these limitations to create effective solutions. Explore the transition from manual file systems to modern database technologies.
