Could you kindly clarify the distinction between hard and symbolic links?
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Could you kindly clarify the distinction between hard and symbolic links?
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Solved in 2 steps
- For theoretical purposes, how are hard and symbolic links different? Make sure you mention inodes in your responses.How do symbolic links differ from physical links in directory operations, and what are their respective use cases?What are the challenges posed by symbolic links in terms of directory consistency and integrity?
- A link like the second course may be built from a collection of many-to-one connections. Do the main and foreign key restrictions impose the many-to-one cardinality limitation on the relation? What makes you believe that is?What is the distinction between a link and an association?What about linked entities? Are they also vulnerable? What are your theories as to why this is? If this is the case, is there anything special about their "weakness"?
- What exactly is the function of a link editor? What distinguishes it from a dynamic link library?Discuss the concept of timestamp-based concurrency control. How do timestamp-based protocols ensure serializability in database transactions?What is the purpose of a link editor? How is it different from a dynamic link library?
- Discuss the two-phase commit (2PC) protocol in detail. How does it ensure distributed database transaction consistency? What are its limitations, and what alternative protocols address these limitations?What layers of transparency should be provided with a DDBMS? Give examples toillustrate your answerProvide an argument and an illustration for why many-to-many links cannot be supported by a relational database.