Since Impala-shell does not show the database in which we are working or the database to which we are connected, there is a risk of
Version and Release Build of Impala Daemon
If you want to know in which version of Cloudera / Apache Impala you are working in, type VERSION() in the command line. The complete
REVERSE Function in Apache Hive & Apache Impala
REVERSE(STRING a)The REVERSE function accepts a character expression as its argument, and returns a string of the same length, but the ordinal position of each
Hive SerDe – RegEx – Example4
“Build step by step. Push yourself, but not too hard. Learn, keep it fun.” It is definitely harder to read and comprehend 100 characters in
Hive SerDe – RegEx – Example3
Regular expressions are difficult to understand, but not in contrast to the data they contain. You will begin to love it once you understand the
Hive SerDe – RegEx
Here are several examples with explanations and sample datasets for practicing SerDe. This post contains a compilation of all of the articles previously published on
Big Data & SQL 