Explanation:Synchronization on counters are done on the RegionServer, not in the client. 5. Point out the wrong statement :
A. Where time-ranges are very wide (e.g., year-long report) and where the data is voluminous, summary tables are a common approach
B. Coprocessors act like RDBMS triggers
C. HBase does not currently support ‘constraints’ in traditional (SQL) database parlance
D. None of the mentioned
Answer:A
Explanation:Synchronization on counters are done on the RegionServer, not in the client. 5. Point out the wrong statement :
A. Where time-ranges are very wide (e.g., year-long report) and where the data is voluminous, summary tables are a common approach B. Coprocessors act like RDBMS triggers C. HBase does not currently support ‘constraints’ in traditional (SQL) database parlance D. None of the mentioned
Explanation:The advised usage for Constraints is in enforcing business rules for attributes in the table. 6. The _________ suffers from the monotonically increasing rowkey problem