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Overview
关于database的文献汇中经常会提到tuple这个词。
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Tuple
In the context of relational database, a tuple is one record (one row).
The information in a database can be thought of as a spreadsheet, with columns (known as fields or attributes) representing different categories of information, and tuples (rows) representing all the information from each field associated with a single record.
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Relational Database World
The rows in the table from realtional database represent a relationship or a real-world entity.
In the realtional model, data is stored in relations(tables) and is represented in the form of tuples(rows).
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Summary
tuple隐含的意思是各个元素数据类型可能不同，但是所有元素属于同一个entity，是一种realtion；
vector隐含的是数据类型相同，是不同entity的同一个attribution。
In mathematics, a tuple is an ordered list of elements.
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References
- techopedia: tuple(database)
- Quora: What is a tuple in database?