This page combines all Apache Pig related posts into a single to make it more helpful and beneficial to learners. It is presented in a
CASE Expressions in Apache Impala
The CASE function assesses a set of criteria and returns one of many result expressions. The CASE expression’s WHEN and THEN clauses are similar to
Apache Hive – Avro Sample Schema & Data
While learning any technology, it is important to have some example datasets for practice, and if sample data is unavailable and practice is not done,
Group_Concat With Group Clause in Impala
The CONCAT() function joins the input strings or different column values and returns as a single string. However, if we need to concatenate rows of
Get Character Length in Apache Impala
Apart from the LENGTH() function, CHAR_LENGTH function can also be used to get the length of a string. Both leading and trailing spaces at the
Analyzing Table in Apache Hive
In a previous post, we talked you how to generate and update statistics in Apache Impala. In Apache Hive, you can perform the same thing.
Big Data & SQL 