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List the standard port numbers on which Hadoop’s task tracker, NameNode, and job tracker operate.
Calculate the address of a random element present in a 2D array, given base address as BA.
What are the different DDL commands in SQL? Give a description of their purpose.
I bought six supercapacitors and connected them in series to get a total voltage of 16.2 VDC. The product’s Mouser No is 723-BCAP0450P270S18, Mfr. No is BCAP0450 P270 S18, the datasheet can be found on this link: The problem ...Read more
What are the differences between an operational database and a data warehouse?
Please explain the relationship between environment reality and test phases.
What happens when Block Scanner finds a faulty data block?
Mention some of Hadoop’s key attributes.
Describe the purpose of the .hiverc file in Hive.
What is a unique constraint? How is it different from a primary key?
What is the Software Testing Life Cycle?