What is the main challenge in integrating XML or JSON data with relational databases?
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In MapReduce, the shuffle process groups values by:
In MapReduce, the shuffle process groups values by:
Which SQL function extracts a scalar value from a JSON docum…
Which SQL function extracts a scalar value from a JSON document?
In HDFS, which node stores metadata such as block locations?
In HDFS, which node stores metadata such as block locations?
In data mining, which stage of the CRISP-DM process focuses…
In data mining, which stage of the CRISP-DM process focuses on understanding the business objectives and defining success criteria?
Which NoSQL model is most suitable for highly connected, net…
Which NoSQL model is most suitable for highly connected, network-like data?
The term “shredding” in semi-structured data refers to:
The term “shredding” in semi-structured data refers to:
Which Hadoop component manages resource scheduling and clust…
Which Hadoop component manages resource scheduling and cluster coordination?
Which architecture is MOST vulnerable to scalability bottlen…
Which architecture is MOST vulnerable to scalability bottlenecks due to centralized coordination of concurrency control?
XSLT is primarily used for:
XSLT is primarily used for: