This is a collection of posts about Apache Hive Complex data types that were first published on this blog.
Category: Cloudera Impala
Apache Impala – Data Analysis – Problem Scenario-1
One of the problem scenarios that can aid in analytical thought and problem-solving is shown below. SQL Server, MySQL, any RDBMS product, Apache Hive, Apache
Apache Impala Quiz-1
Test your knowledge of Apache Impala.
Sub-Queries in SQL Server
A subquery is a SQL query that runs within another query. They are nested inquiries that offer data to the query that comes before it.
Aliases in Apache Impala
You can apply an alias to tables, columns, or column expressions when you enter their names in a query. When making further references to the
DELETE Statement in Apache Impala
In OLTP databases, DELETE is one of the most commonly used DML commands. When it comes to OLAP databases, however, DELETE is used less frequently.