Impala TRUNCATE TABLE Statement with Practical Example
As we know to delete the table completely we use Impala Drop Table Statement. However, we just need to delete some data from an Impala table while leaving the table itself. For that purpose,...
Impala Tutorials
Impala DROP TABLE Statement – A Complete Tutorial
In our last Impala tutorial, we saw how the Impala Create Table Statement. Here, we are going to discuss the Impala Drop Table statement. It is used to delete an existing table in Impala....
Impala INSERT Statement – Overwriting the Data in Table
While it comes to Insert into tables and partitions in Impala, we use Impala INSERT Statement. There is much more to learn about Impala INSERT Statement. So, let’s learn it from this article. Apart...
Impala Describe Statement – Syntax, Usage & Example
It is possible to displays metadata about a table in Impala. For that, we use the Impala Describe Statement. So, in this article, we will discuss, how to use Impala Describe Statement. Also, we...
Impala Alter Table Statement – HDFS Caching and Permissions
Basically, to change the structure or properties of an existing Impala table we use Impala Alter Table Statement. There are much more to know about Impala Alter Table Statement. Like Altering the name of...
Impala Select Statement – How to Fetch Records using Hue
It is possible to fetch the data from one or more tables in a database in Impala. For that, we use Impala Select Statement. So, in this article, we will discuss, how we can...
Impala CREATE TABLE Statement – Advance Tutorial
In our last tutorial, we studied the Create Database and Drop Database. When it comes to creating a new table in the required database, we use several statements in Impala. That statement we call...
Impala DROP DATABASE Statement – Process & Example
In our last Impala tutorial, we studied Impala Create Database. Today we see How Impala Drop a Database when we need to remove a database from Impala, we use Impala DROP DATABASE Statement. However, there...
Impala Select a Database Using Hue Browser
While working on Impala, it is essential to select one database among the available databases. So, in this article “Introduction to Impala Select a Database”, we will learn what we mean by Impala Select...
Impala Data Types: Usage, Syntax and Examples
There is a huge set of data types available in Impala. Basically, those Impala Data Types we use for table columns, expression values, and function arguments and return values. Each Impala Data Types serves...
