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Hive supports extending the UDF set to handle use cases not supported by built-in functions. SQL-like queries (HiveQL), which are implicitly converted into MapReduce or Tez, or Spark jobs. By default, Hive stores metadata in an embedded Apache Derby database, and other client/server databases like MySQL can optionally be used. [12]
Trino is an open-source distributed SQL query engine designed to query large data sets distributed over one or more heterogeneous data sources. [1] Trino can query data lakes that contain a variety of file formats such as simple row-oriented CSV and JSON data files to more performant open column-oriented data file formats like ORC or Parquet [2] [3] residing on different storage systems like ...
Percona Server for MySQL is an open source relational database management system (RDBMS). It is a free, fully compatible drop in replacement for Oracle MySQL . The software includes a number of scalability, availability, security and backup features only available in MySQL's commercial Enterprise edition. [ 2 ]
Apache Hadoop (/ h ə ˈ d uː p /) is a collection of open-source software utilities for reliable, scalable, distributed computing.It provides a software framework for distributed storage and processing of big data using the MapReduce programming model.
MySQL has stand-alone clients that allow users to interact directly with a MySQL database using SQL, but more often, MySQL is used with other programs to implement applications that need relational database capability. MySQL is a component of the LAMP web application software stack (and others), which is an acronym for Linux, Apache, MySQL ...
MySQL is a multithreaded, multi-user, SQL database management system, [9] acquired by Sun Microsystems in 2008, which was then acquired by Oracle Corporation in 2010. [10] Since its early years, the MySQL team has made its source code available under the terms of the GNU General Public License , as well as under a variety of proprietary agreements.
The syntax of the SQL programming language is defined and maintained by ISO/IEC SC 32 as part of ISO/IEC 9075.This standard is not freely available. Despite the existence of the standard, SQL code is not completely portable among different database systems without adjustments.
Impala is integrated with Hadoop to use the same file and data formats, metadata, security and resource management frameworks used by MapReduce, Apache Hive, Apache Pig and other Hadoop software. Impala is promoted for analysts and data scientists to perform analytics on data stored in Hadoop via SQL or business intelligence tools. The result ...