String functions are used to execute an input string operation and return the output string. There are many built-in string functions available on almost all
Category: Cloudera Impala
Get first and the last row in the window – Apache Impala
The expression values from the first and last rows of the window are returned using the FIRST VALUE and LAST VALUE functions. The same value
Add or Subtract Hours to a Date – Apache Impala
There are plenty of built-in functions available in Apache Impala that helps in analyzing the data and business logic implementations. It relieves a developer’s worries
Add or Subtract Weeks to a Date – Apache Impala
There are plenty of built-in functions available in Apache Impala that helps in analyzing the data and business logic implementations. It relieves a developer’s worries
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
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
Big Data & SQL 