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Databases · Advanced
10 questions · Question 1 of 10
10%
Multiple Choice
Senior
What is the cost of having a database index?
A
It takes up space – and the larger your table, the larger your index.
B
Here is a list of standard options.
C
All the answers for how to store many to many associations in the "NoSQL way" reduce to the same thing: storing data redundantly.
D
Hash tables are not sorted data structures, and there are many types of queries that hash indexes can not even help with.
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