Databases and Speadsheets Lesson Objective: Understand the main features and differences between Database and Spreadsheet software. Learning Outcome: Clearly identify the uses of both types of software and use the correct terminology when describing their functions. Lesson 4
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Databases and Speadsheets Lesson Objective: Understand the main features and differences between Database and Spreadsheet software. Learning Outcome: Clearly.
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Transcript
Databases and Speadsheets
Lesson Objective:
Understand the main features and differences between Database and Spreadsheet software.
Learning Outcome:
Clearly identify the uses of both types of software and use the correct terminology when describing their functions.
Lesson 4
Question
What’s the point of today’s lesson?
Which software do we use?
Database…
Microsoft Access Spreadsheet…
Microsoft ExcelNB In the exam DO NOT mention specific software products like those above. Always refer to them as Database and Spreadsheet applications.
Table (FILE) structure
This is a
RECORD
Each Record contains at least one FIELD
This is the FIELD NAME
NB The exam board prefer to call these things FILES as and not Data Tables … try not to get confused
Key features of databases
Storing large amounts of structured data (using data types and validation)
Searching for items (queries)
Sorting items (queries)
Producing Reports
File and Key Field
Each table usually has a KEY FIELD. The Key Field is UNIQUE to
the record.
The Key Field is used to refer to the record in other data tables (FILES)
Two features of key fields
They are UNIQUE to the record
They are used to REFER to the record in other files
Example
PersonID Name Email Phone GenderSMIC001 Chris Smith [email protected] 0795551112 M