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Anonymous Asked in Cars &Transportation · 2 weeks ago

Which of the following storage engine provides in memory tables?

Contents
  1. What is memory storage engine?
  2. What storage engines are used in MySQL?
  3. What is required for a table to store data in memory?
  4. What is DB engine in MySQL?
The MEMORY storage engine provides in-memory tables. The MERGE storage engine allows a collection of identical MyISAM tables to be handled as a single table. Like MyISAM , the MEMORY and MERGE storage engines handle non-transactional tables, and both are also included in MySQL by default.


What is memory storage engine?

MEMORY is a storage engine for MySQL and MariaDB relational database management systems, developed by Oracle and MariaDB. Before the version 4.1 of MySQL it was called Heap. The SHOW ENGINES command describes MEMORY as: Hash based, stored in memory, useful for temporary tables.

What storage engines are used in MySQL?

Storage engines are MySQL components that handle the SQL operations for different table types. InnoDB is the default and most general-purpose storage engine, and Oracle recommends using it for tables except for specialized use cases.

What is required for a table to store data in memory?

Characteristics of MEMORY Tables MEMORY tables have the following characteristics: Space for MEMORY tables is allocated in small blocks. Tables use 100% dynamic hashing for inserts. No overflow area or extra key space is needed.

What is DB engine in MySQL?

Database engines provide the underlying functionality for MySQL to work with and process data. The two most common and popular MySQL database engines are MyISAM and InnoDB. MyISAM is the default engine for MySQL for versions earlier than 5.5. 5, and functions well in most scenarios.

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