This is a collection of posts about Apache Hive Complex data types that were first published on this blog.
Category: Apache 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.
TRUNCATE TABLE in SQL
TRUNCATE TABLE is a Data Definition Language operation in SQL that marks the extent of a table for deallocation. This operation removes all data from
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
Big Data and SQL 