In Apache Impala, similar to Hive, the LOAD command can be used to import data into tables. The source files might be in text, csv,
Author: SHAFI SHAIK
Hi, this is Shafi Shaik, Microsoft Solutions Specialist in Data platform as well as in Data Management & Analytics. I am a certified associate in Oracle SQL*Plus and extensively trained in MongoDB Administration. My current role is Database administration with hands-on expertise in almost all relational databases namely Microsoft SQL Server, MySQL, Oracle SQL*Plus, PostGreSQL & Teradata. I'm also specialized in database development, warehousing, traditional data analysis and Big Data analysis.
Operators in Apache Impala
SQL operators are a type of comparison function that is commonly used in SELECT statements’ WHERE clauses. Arithmetic Operators BETWEEN Operator Comparison Operators EXISTS Operator
Execution Plan in Apache Impala
A query plan (or query execution plan) is a set of actions that a SQL relational database management system uses to obtain data. The relational
Literals in Apache Impala
The literal values of each of the Impala data types have a matching notation. In SQL statements, such as the SELECT list or WHERE clause
DESC Statement in Apache Hive and Impala
Similar to many RDBMSs, DESC Statement displays information about a table, such as column names and data types. This can be used to see the
INSERT DATA – In Apache Impala
Inserting rows into a table can happen in a variety of ways. Either supplying column values by column position, modifying column locations based on data/values
Big Data & SQL 