February 2015
Beginner to intermediate
246 pages
5h 35m
English
Content preview from Learning Apache Cassandra
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Comparing data structures
We've now seen five different data structures that allow us to store multiple values within a single field. Each data structure has certain advantages and disadvantages, and each is best suited to particular use cases. In the table below, we summarize the important features of each of the data structures from this chapter:
|
Set |
List |
Map |
Tuple |
User-defined Type | |
|---|---|---|---|---|---|
|
Size |
Flexible |
Flexible |
Flexible |
Fixed |
Fixed |
|
Discrete updates |
Yes |
Yes |
Yes |
No |
No |
|
Partial Selection |
No |
No |
No |
No |
Yes |
|
Name-value pairs |
No |
No |
Yes |
No |
Yes |
|
Multiple Types |
No |
No |
Keys and Values |
Yes |
Yes |
|
Index |
Individual elements |
Individual elements |
Individual elements |
Entire value |
Entire value |
|
Can be used as primary key |
No |
No |
No ... |
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