Question: 2 0 a ) What is two phase locking protocol? How does it guarantee serializability? 8 b ) What are the main characteristics of NOSQL

20 a) What is two phase locking protocol? How does it guarantee serializability?
8
b) What are the main characteristics of NOSQL systems in the areas related to data
6
models and query languages?
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20 a) What is two phase locking protocol? How does it

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