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It also lacks the crash recovery capabilities of InnoDB. Please remember that MyISAM is not ACID-compliant and it does not support transactions or foreign keys. This statement changes the storage engine of my_table to MyISAM. To convert an existing table from another storage engine to MyISAM, you can use the ALTER TABLE command: ALTER TABLE my_table ENGINE=MyISAM In this example, we're creating a my_table with the MyISAM storage engine. To create a table using the MyISAM storage engine, you can specify the engine when creating the table: CREATE TABLE my_table ( GIS Functionality: MyISAM has extensive support for spatial fields and indexes, making it a good choice for GIS (Geographic Information Systems) applications. However, table-level locking can be a disadvantage for write-heavy applications where many concurrent writes to the same table can cause contention.įull-Text Indexing: MyISAM supports full-text indexing which makes it a good choice for applications where you need to perform full-text searches.Ĭompression: MyISAM allows you to compress your tables, which can save a significant amount of space. Table-Level Locking: MyISAM uses table-level locking, which is a simpler and faster locking mechanism than the row-level locking used by InnoDB. Here are some key features of the MyISAM storage engine: While InnoDB has largely replaced it as the default, MyISAM is still used and can be the best choice for certain types of applications, particularly read-heavy applications.

Prior to version 5.5, it was the default storage engine for MySQL. MyISAM is one of the storage engines used by MySQL. Optimize The Speed of Inserting Data in MySQL.MySQL Analyze Query by EXPLAIN And DESCRIBE.

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